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libisoburn/xorriso/write_run.c

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/* xorriso - creates, loads, manipulates and burns ISO 9660 filesystem images.
Copyright 2007-2024 Thomas Schmitt, <scdbackup@gmx.net>
Provided under GPL version 2 or later.
This file contains functions which are needed to write sessions.
*/
#ifdef HAVE_CONFIG_H
#include "../config.h"
#endif
#include <ctype.h>
#include <sys/types.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <time.h>
#include <errno.h>
#include <fcntl.h>
#ifdef HAVE_STDINT_H
#include <stdint.h>
#else
#ifdef HAVE_INTTYPES_H
#include <inttypes.h>
#endif
#endif
/* O_BINARY is needed for Cygwin but undefined elsewhere */
#ifndef O_BINARY
#define O_BINARY 0
#endif
#ifdef Xorriso_standalonE
#ifdef Xorriso_with_libjtE
#include "../libjte/libjte.h"
#endif
#else
#ifdef Xorriso_with_libjtE
#include <libjte/libjte.h>
#endif
#endif /* ! Xorriso_standalonE */
#include "xorriso.h"
#include "xorriso_private.h"
#include "lib_mgt.h"
#include "drive_mgt.h"
#include "iso_img.h"
#include "iso_tree.h"
#include "write_run.h"
/* @param flag bit0= talk of -as cdrecord -multi rather than of -close
*/
int Xorriso_check_multi(struct XorrisO *xorriso, struct burn_drive *drive,
int flag)
{
int profile_no= 0, ret;
struct burn_multi_caps *caps= NULL;
char profile_name[80];
if(xorriso->auto_close)
xorriso->do_close= 0;
if(!xorriso->do_close) {
burn_disc_get_profile(drive, &profile_no, profile_name);
if(profile_no == 0x14) { /* DVD-RW sequential */
ret= burn_disc_get_multi_caps(drive, BURN_WRITE_TAO, &caps, 0);
if(caps != NULL)
burn_disc_free_multi_caps(&caps);
if(ret == 0) {
if(xorriso->auto_close) {
sprintf(xorriso->info_text,
"-close \"as_needed\" triggered -close \"on\"");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
xorriso->do_close= 1;
} else if(flag & 1) {
sprintf(xorriso->info_text,
"This DVD-RW media can only be written without option -multi");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
sprintf(xorriso->info_text,
"Possibly it was blanked by blank=deformat_quickest");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "HINT", 0);
sprintf(xorriso->info_text,
"After writing a session without -multi, apply blank=all");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "HINT", 0);
return(0);
} else {
sprintf(xorriso->info_text,
"This DVD-RW media can only be written with -close \"on\"");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
sprintf(xorriso->info_text,
"Possibly it was blanked by -blank \"deformat_quickest\"");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "HINT", 0);
sprintf(xorriso->info_text,
"After writing a session with -close \"on\", apply -blank \"all\"");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "HINT", 0);
return(0);
}
}
} else if(profile_no == 0x15) { /* DVD-RW DL */
if(xorriso->auto_close) {
sprintf(xorriso->info_text,
"-close \"as_needed\" triggered -close \"on\"");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
xorriso->do_close= 1;
} else if(flag & 1) {
sprintf(xorriso->info_text,
"DVD-R DL media can only be written without option -multi");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
return(0);
} else {
sprintf(xorriso->info_text,
"DVD-R DL media can only be written with -close \"on\"");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
return(0);
}
}
}
return(1);
}
int Xorriso_make_write_options(
struct XorrisO *xorriso, struct burn_drive *drive,
struct burn_write_opts **burn_options, int flag)
{
int drive_role, stream_mode= 0, ret, profile;
char profile_name[80];
enum burn_disc_status s;
*burn_options= burn_write_opts_new(drive);
if(*burn_options==NULL) {
Xorriso_process_msg_queues(xorriso,0);
sprintf(xorriso->info_text,"Cannot allocate option set");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
return(0);
}
burn_write_opts_set_simulate(*burn_options, !!xorriso->do_dummy);
drive_role= burn_drive_get_drive_role(drive);
burn_write_opts_set_multi(*burn_options,
!(xorriso->do_close || drive_role==0 || drive_role==3));
ret= burn_disc_get_profile(drive, &profile, profile_name);
if(ret > 0) {
s= isoburn_disc_get_status(drive);
if(xorriso->auto_close && xorriso->do_close == 0 &&
profile == 0x14 && s == BURN_DISC_BLANK)
/* Prepare for missing feature 21h despite drive's announcement */
burn_write_opts_set_fail21h_sev(*burn_options, "NOTE");
}
if(xorriso->write_speed != -2)
burn_drive_set_speed(drive, 0, xorriso->write_speed);
burn_drive_set_buffer_waiting(drive, xorriso->modesty_on_drive,
xorriso->min_buffer_usec,
xorriso->max_buffer_usec,
xorriso->buffer_timeout_sec,
xorriso->min_buffer_percent,
xorriso->max_buffer_percent);
if(xorriso->do_stream_recording == 1)
stream_mode= 1;
else if(xorriso->do_stream_recording == 2)
stream_mode= 51200; /* 100 MB */
else if(xorriso->do_stream_recording >= 16)
stream_mode= xorriso->do_stream_recording;
burn_write_opts_set_stream_recording(*burn_options, stream_mode);
#ifdef Xorriso_dvd_obs_default_64K
if(xorriso->dvd_obs == 0)
burn_write_opts_set_dvd_obs(*burn_options, 64 * 1024);
else
#endif
burn_write_opts_set_dvd_obs(*burn_options, xorriso->dvd_obs);
burn_write_opts_set_obs_pad(*burn_options, !!xorriso->do_obs_pad);
burn_write_opts_set_bdr_obs_exempt(*burn_options,
!!xorriso->bdr_obs_exempt);
burn_write_opts_set_stdio_fsync(*burn_options, xorriso->stdio_sync);
burn_write_opts_set_underrun_proof(*burn_options, 1);
return(1);
}
/* @param flag bit0= do not write but only prepare and return size in sectors
bit1= do not use isoburn wrappers, do not assume libisofs
bit2= no_emul_toc : do not pad random access media to full 64 KB
*/
off_t Xorriso_sanitize_image_size(struct XorrisO *xorriso,
struct burn_drive *drive, struct burn_disc *disc,
struct burn_write_opts *burn_options, int flag)
{
int num_sessions= 0, num_tracks= 0, padding= 0, profile;
off_t media_space, ret, img_sectors, lba, nwa, multi_emul_blocks= 0;
char profile_name[80];
struct burn_session **sessions;
struct burn_track **tracks;
enum burn_disc_status s;
img_sectors= burn_disc_get_sectors_v2(disc);
sessions= burn_disc_get_sessions(disc, &num_sessions);
if(sessions==NULL || num_sessions < 1) {
no_track:;
Xorriso_process_msg_queues(xorriso,0);
sprintf(xorriso->info_text,"Program error : no track in prepared disc");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FATAL", 0);
{ret= -1; goto ex;}
}
tracks= burn_session_get_tracks(sessions[0], &num_tracks);
if(tracks==NULL || num_tracks < 1)
goto no_track;
padding= 0;
ret= burn_disc_get_profile(drive, &profile, profile_name);
padding= xorriso->padding / 2048;
if(xorriso->padding > padding * 2048)
padding++;
if(img_sectors>0 && ret>0 &&
(profile==0x09 || profile==0x0a)) { /* CD-R , CD-RW */
if(img_sectors + padding < Xorriso_cd_min_track_sizE) {
padding= Xorriso_cd_min_track_sizE - img_sectors;
sprintf(xorriso->info_text,
"Expanded track to minimum size of %d sectors",
Xorriso_cd_min_track_sizE);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
}
}
if(xorriso->alignment == 0 && !((xorriso->no_emul_toc & 1) || flag & 4)) {
ret= isoburn_needs_emulation(drive);
if(ret > 0) {
/* Take care that the session is padded up to the future NWA.
Else with padding < 32 it could happen that PVDs from older
sessions survive and confuse -rom_toc_scan.
*/
xorriso->alignment= 32;
s= isoburn_disc_get_status(drive);
if(s == BURN_DISC_BLANK) {
/* Count blocks before nwa as part of the image */;
ret= isoburn_disc_track_lba_nwa_v2(drive, burn_options, 0, &lba, &nwa);
if(ret <= 0)
nwa= 0;
multi_emul_blocks= nwa;
}
}
}
if(!(flag & 2)) {
#ifdef Xorriso_with_libjtE
/* JTE : no multi-session, no_emul_toc, padding in libisofs */
if(xorriso->libjte_handle != NULL)
padding= 0;
#endif /* ! Xorriso_with_libjtE */
if(xorriso->do_padding_by_libisofs)
padding= 0;
}
if(xorriso->alignment > 0) {
if(img_sectors > 0) {
ret= isoburn_disc_track_lba_nwa_v2(drive, burn_options, 0, &lba, &nwa);
if(ret <= 0)
nwa= 0;
lba= (nwa + img_sectors + padding) % xorriso->alignment;
if(lba > 0)
padding+= xorriso->alignment - lba;
}
}
burn_track_define_data(tracks[0], 0, padding * 2048, 0, BURN_MODE1);
Xorriso_process_msg_queues(xorriso,0);
if(flag&2)
media_space= burn_disc_available_space(drive, burn_options) /
(off_t) 2048;
else
media_space= isoburn_disc_available_space(drive, burn_options) /
(off_t) 2048;
if(media_space < img_sectors + padding) {
Xorriso_process_msg_queues(xorriso,0);
sprintf(xorriso->info_text,
"Image size %.fs exceeds free space on media %.fs",
(double) (img_sectors + padding), (double) media_space);
if(flag & 1) {
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "WARNING", 0);
} else {
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
{ret= 0; goto ex;}
}
}
if(flag&1) {
ret= multi_emul_blocks + img_sectors + padding;
} else
ret= 1;
ex:;
return(ret);
}
int Xorriso_auto_format(struct XorrisO *xorriso, int flag)
{
int ret, profile, status, num_formats;
char profile_name[80];
struct burn_drive_info *dinfo;
struct burn_drive *drive;
off_t size;
unsigned dummy;
ret= Xorriso_may_burn(xorriso, 0);
if(ret <= 0)
return(0);
ret= Xorriso_get_drive_handles(xorriso, &dinfo, &drive,
"on attempt to autoformat", 2);
if(ret<=0)
return(0);
ret= burn_disc_get_profile(drive, &profile, profile_name);
if(ret>0 && (profile==0x12 || profile==0x43)) { /* DVD-RAM or BD-RE */
ret= burn_disc_get_formats(drive, &status, &size, &dummy, &num_formats);
if(ret>0 && status==BURN_FORMAT_IS_UNFORMATTED) {
sprintf(xorriso->info_text,
"Unformatted %s medium detected. Trying -format fast.",
profile_name);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
ret= Xorriso_format_media(xorriso, (off_t) 0, 1 | 4);
if(ret<=0) {
sprintf(xorriso->info_text, "Automatic formatting of %s failed",
profile_name);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
return(ret);
}
burn_drive_re_assess(drive, 0);
}
}
return(1);
}
/* @param flag bit0= fail on indev == outdev with "imported_iso"
bit1= fail on indev == NULL with "imported_iso"
*/
int Xorriso_check_intvl_string(struct XorrisO *xorriso, char **part_image,
int flag)
{
char *cpt, *ipt, *orig;
orig= *part_image;
if(strncmp(*part_image, "--interval:", 11) != 0)
return(0);
if(strchr(*part_image + 11, ':') == NULL)
return(0);
(*part_image)+= 11;
if(!(flag & 3))
return(1);
cpt= strchr(*part_image, ':');
ipt= strstr(*part_image, "imported_iso");
if(ipt == NULL || ipt > cpt)
return(1);
if((flag & 2) && xorriso->in_drive_handle == NULL) {
sprintf(xorriso->info_text,
"Interval reader lacks of -indev to read from \"imported_iso\"");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
goto failure;
}
if(!(flag & 1))
return(1);
if(xorriso->out_drive_handle != xorriso->in_drive_handle)
return(1);
sprintf(xorriso->info_text,
"Interval reader may not read from \"imported_iso\" during write run to same drive");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
failure:;
sprintf(xorriso->info_text, "Rejected: ");
Text_shellsafe(orig, xorriso->info_text, 1);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
return(-1);
}
int Xorriso_set_system_area(struct XorrisO *xorriso,
struct burn_drive *in_drive,
struct burn_drive *out_drive,
IsoImage *img,
struct isoburn_imgen_opts *sopts,
int flag)
{
int ret, options, system_area_options;
int sa_loaded, read_count, i, read_sum= 0;
off_t iso_lba= -1, start_lba, image_blocks;
char volid[33];
FILE *fp= NULL;
char *buf= NULL, *bufpt= NULL, *intvl;
uint8_t *intvl_buf;
off_t hd_lba, byte_count;
unsigned char *ub;
ElToritoBootImage *bootimg;
IsoFile *bootimg_node;
IsoNode *sparc_core_node;
uint32_t offst;
enum burn_disc_status state;
struct iso_interval_reader *ivr = NULL;
if(xorriso->grub2_sparc_core[0]) {
ret= Xorriso_node_from_path(xorriso, img, xorriso->grub2_sparc_core,
&sparc_core_node, 1);
if(ret <= 0) {
sprintf(xorriso->info_text,
"Cannot find in ISO image: -boot_image grub grub2_sparc_core=");
Text_shellsafe(xorriso->grub2_sparc_core, xorriso->info_text, 1);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
{ret= 0; goto ex;}
}
if(!ISO_NODE_IS_FILE(sparc_core_node)) {
sprintf(xorriso->info_text,
"Not a data file: -boot_image grub grub2_sparc_core=");
Text_shellsafe(xorriso->grub2_sparc_core, xorriso->info_text, 1);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
{ret= 0; goto ex;}
}
ret = iso_image_set_sparc_core(img, (IsoFile *) sparc_core_node, 0);
if(ret < 0) {
Xorriso_process_msg_queues(xorriso,0);
Xorriso_report_iso_error(xorriso, "", ret,
"Error when setting up -boot_image grub grub2_sparc_core=",
0, "FAILURE", 1);
{ret= 0; goto ex;}
}
}
Xorriso_alloc_meM(buf, char, 32768);
memset(buf, 0, 32768);
system_area_options= xorriso->system_area_options;
if(xorriso->system_area_clear_loaded ||
(in_drive != out_drive && in_drive != NULL))
sa_loaded= 0;
else
sa_loaded= iso_image_get_system_area(img, buf, &options, 0);
if(sa_loaded < 0) {
Xorriso_process_msg_queues(xorriso,0);
Xorriso_report_iso_error(xorriso, "", sa_loaded,
"Error when inquiring System Area data of ISO 9660 image",
0, "FAILURE", 1);
{ret= 0; goto ex;}
}
bufpt= buf;
if(xorriso->system_area_disk_path[0] == 0) {
if(xorriso->patch_system_area && xorriso->system_area_options == 0 &&
sa_loaded > 0) {
system_area_options= xorriso->patch_system_area;
/* Check whether partition 1 ends at image end */;
ub= (unsigned char *) buf;
hd_lba= (ub[454] | (ub[455] << 8) | (ub[456] << 16) |
(((unsigned int) ub[457]) << 24)) +
(ub[458] | (ub[459] << 8) | (ub[460] << 16) |
(((unsigned int) ub[461]) << 24));
iso_lba= -1;
ret= isoburn_disc_get_msc1_v2(in_drive, &start_lba);
if(ret > 0) {
ret= isoburn_read_iso_head_v2(in_drive, start_lba, &image_blocks,
volid, 1);
if(ret > 0)
iso_lba= start_lba + image_blocks;
}
if(iso_lba * (off_t) 4 > hd_lba) {
system_area_options= 0;
} else if((xorriso->patch_system_area & 1) &&
iso_lba * (off_t) 4 != hd_lba) {
system_area_options= 0;
} else if((xorriso->patch_system_area & 2) &&
iso_lba * (off_t) 4 + (off_t) (63 * 256) < hd_lba) {
system_area_options= 0;
} else if(xorriso->patch_system_area & 2) { /* isohybrid patching */
/* Check whether bytes 432-345 point to ElTorito LBA */
hd_lba= ub[432] | (ub[433] << 8) | (ub[434] << 16) |
(((unsigned int) ub[435]) << 24);
ret= iso_image_get_boot_image(img, &bootimg, &bootimg_node, NULL);
if(ret != 1) {
system_area_options= 0;
} else if(bootimg_node != NULL) {
Xorriso__file_start_lba((IsoNode *) bootimg_node, &(iso_lba), 0);
if(iso_lba * (off_t) 4 != hd_lba)
system_area_options= 0;
}
}
if(system_area_options == 0) {
Xorriso_msgs_submit(xorriso, 0,
"Loaded System Area data are not suitable for MBR patching.",
0, "DEBUG", 0);
}
}
{ret= 1; goto do_set;}
}
bufpt= buf;
if(strcmp(xorriso->system_area_disk_path, "/dev/zero") == 0) {
memset(buf, 0, 32768);
{ret= 1; goto do_set;}
}
intvl= xorriso->system_area_disk_path;
ret= Xorriso_check_intvl_string(xorriso, &intvl, 2);
if(ret < 0) {
{ret= 0; goto ex;}
} else if(ret > 0) {
ret= iso_interval_reader_new(img, intvl, &ivr, &byte_count, 0);
Xorriso_process_msg_queues(xorriso, 0);
if(ret < 0) {
intvl_reader_err:;
sprintf(xorriso->info_text,
"Error when reading -boot_image system_area=");
Text_shellsafe(xorriso->system_area_disk_path, xorriso->info_text, 1);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, errno, "FAILURE", 0);
{ret= 0; goto ex;}
}
for(i= 0; i < 16; i++) {
intvl_buf= (uint8_t *) (buf + 2048 * i);
ret= iso_interval_reader_read(ivr, intvl_buf, &read_count, 0);
Xorriso_process_msg_queues(xorriso, 0);
if(ret == 0)
break;
if(ret < 0)
goto intvl_reader_err;
read_sum+= read_count;
}
ret= read_sum;
} else {
ret= Xorriso_afile_fopen(xorriso, xorriso->system_area_disk_path,
"rb", &fp, 2);
if(ret <= 0)
{ret= 0; goto ex;}
ret= fread(buf, 1, 32768, fp);
if(ret < 32768) {
if(ferror(fp)) {
sprintf(xorriso->info_text,
"Error when reading -boot_image system_area=");
Text_shellsafe(xorriso->system_area_disk_path, xorriso->info_text, 1);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, errno, "FAILURE", 0);
{ret= 0; goto ex;}
}
}
}
do_set:;
if(ret > 0 && xorriso->system_area_disk_path[0]) {
sprintf(xorriso->info_text, "Copying to System Area: %d bytes from file ",
ret);
Text_shellsafe(xorriso->system_area_disk_path, xorriso->info_text, 1);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
}
ret= isoburn_igopt_set_system_area(sopts, bufpt, system_area_options);
if(ret != ISO_SUCCESS) {
Xorriso_process_msg_queues(xorriso,0);
Xorriso_report_iso_error(xorriso, "", ret,
"Error when attaching System Area data to ISO 9660 image",
0, "FAILURE", 1);
{ret= 0; goto ex;}
}
offst= xorriso->partition_offset;
state= isoburn_disc_get_status(out_drive);
if(state == BURN_DISC_APPENDABLE) {
ret= isoburn_get_img_partition_offset(out_drive, &offst);
if(ret == 1) {
sprintf(xorriso->info_text,
"Preserving in ISO image: -boot_image any partition_offset=%lu",
(unsigned long) offst);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
} else
offst= xorriso->partition_offset;
}
ret= isoburn_igopt_set_part_offset(sopts, offst,
xorriso->partition_secs_per_head,
xorriso->partition_heads_per_cyl);
if(ret != ISO_SUCCESS) {
Xorriso_process_msg_queues(xorriso,0);
Xorriso_report_iso_error(xorriso, "", ret,
"Error when setting partition offset", 0, "FAILURE", 1);
{ret= 0; goto ex;}
}
ret= 1;
ex:;
if(fp != NULL && fp != stdin)
fclose(fp);
iso_interval_reader_destroy(&ivr, 0);
Xorriso_free_meM(buf);
return(ret);
}
/* @param flag bit0= do not increment boot_count
and do not reset boot parameters
bit1= dispose attached boot images
*/
int Xorriso_attach_boot_image(struct XorrisO *xorriso, int flag)
{
int ret;
char *cpt;
struct burn_drive_info *source_dinfo;
struct burn_drive *source_drive;
IsoImage *image= NULL;
IsoNode *node= NULL;
ElToritoBootImage *bootimg;
enum eltorito_boot_media_type emul_type= ELTORITO_NO_EMUL;
char *bin_path;
int emul, platform_id;
off_t load_size;
struct stat stbuf;
int hflag= 0, is_interval= 0, cat_tries;
if(xorriso->boot_image_bin_path[0] == 0 && !(flag & 2)) {
/* >>> no boot image path given : no op */;
ret= 2; goto ex;
}
if(xorriso->in_drive_handle == NULL)
hflag= 2;
ret= Xorriso_get_drive_handles(xorriso, &source_dinfo, &source_drive,
"on attempt to attach boot image", hflag);
if(ret<=0)
goto ex;
image= isoburn_get_attached_image(source_drive);
if(image == NULL) {
/* (should not happen) */
sprintf(xorriso->info_text,
"No ISO image present on attempt to attach boot image");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
ret= 0; goto ex;
}
if(flag & 2) {
iso_image_remove_boot_image(image);
xorriso->boot_count= 0;
ret= 1; goto ex;
}
bin_path= xorriso->boot_image_bin_path;
emul= xorriso->boot_image_emul;
platform_id= xorriso->boot_platform_id;
load_size= xorriso->boot_image_load_size;
if(strncmp(bin_path, "--interval:appended_partition_", 30) == 0) {
is_interval= 1;
if(load_size <= 0)
load_size= 512;
}
if(xorriso->boot_efi_default) {
emul= 0;
platform_id= 0xef;
xorriso->patch_isolinux_image= (xorriso->patch_isolinux_image & ~3) | 0;
}
if((platform_id == 0xef || load_size < 0) && !is_interval) {
ret= Xorriso_iso_lstat(xorriso, bin_path, &stbuf, 2 | 4);
if(ret != 0)
{ret= 0; goto ex;}
load_size= ((stbuf.st_size / (off_t) 512) +
!!(stbuf.st_size % (off_t) 512)) * 512;
}
sprintf(xorriso->info_text, "Adding boot image ");
Text_shellsafe(bin_path, xorriso->info_text, 1);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "DEBUG", 0);
if(emul == 0)
emul_type= ELTORITO_NO_EMUL;
else if(emul == 1)
emul_type= ELTORITO_HARD_DISC_EMUL;
else if(emul == 2)
emul_type= ELTORITO_FLOPPY_EMUL;
if (!is_interval) {
ret= Xorriso_node_from_path(xorriso, image, bin_path, &node, 1);
if(ret <= 0) {
sprintf(xorriso->info_text,
"Cannot find in ISO image: -boot_image ... bin_path=");
Text_shellsafe(bin_path, xorriso->info_text, 1);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
{ret= 0; goto ex;}
}
}
if(xorriso->boot_count == 0) {
if(xorriso->boot_image_cat_path[0] == 0) {
strcpy(xorriso->boot_image_cat_path, bin_path);
cpt= strrchr(xorriso->boot_image_cat_path, '/');
if(cpt == NULL) {
strcpy(xorriso->boot_image_cat_path, "/");
cpt= xorriso->boot_image_cat_path + 1;
} else {
cpt++;
}
strcpy(cpt, "boot.cat");
if(xorriso->boot_image_cat_hidden & 1) {
/* Find a name which does not yet exist */
ret= 1;
for(cat_tries= 1; ret > 0 && cat_tries < 1000000; cat_tries++) {
ret= Xorriso_node_from_path(xorriso, image,
xorriso->boot_image_cat_path, &node, 1);
if(ret > 0)
sprintf(cpt, "real%d_boot.cat", cat_tries);
}
}
}
ret= Xorriso_node_from_path(xorriso, image, xorriso->boot_image_cat_path,
&node, 1);
if(ret > 0) {
if(!xorriso->do_overwrite) {
sprintf(xorriso->info_text,
"May not overwrite existing -boot_image ... cat_path=");
Text_shellsafe(xorriso->boot_image_cat_path, xorriso->info_text, 1);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
{ret= 0; goto ex;}
}
ret= Xorriso_rmi(xorriso, NULL, (off_t) 0, xorriso->boot_image_cat_path,
8 | (xorriso->do_overwrite == 1));
if(ret != 1) {
sprintf(xorriso->info_text,
"Could not remove existing -boot_image cat_path=");
Text_shellsafe(xorriso->boot_image_cat_path, xorriso->info_text, 1);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
{ret= 0; goto ex;}
}
}
/* Discard old boot image, set new one */
ret= iso_image_get_boot_image(image, &bootimg, NULL, NULL);
if(ret == 1)
iso_image_remove_boot_image(image);
ret= iso_image_set_boot_image(image, bin_path, emul_type,
xorriso->boot_image_cat_path, &bootimg);
if(ret > 0)
iso_image_set_boot_catalog_weight(image, 1000000000);
} else {
ret= iso_image_add_boot_image(image, bin_path, emul_type, 0, &bootimg);
}
if(ret < 0) {
Xorriso_process_msg_queues(xorriso,0);
Xorriso_report_iso_error(xorriso, "", ret,
"Error when attaching El-Torito boot image to ISO 9660 image",
0, "FAILURE", 1);
sprintf(xorriso->info_text,
"Could not attach El-Torito boot image to ISO 9660 image");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
{ret= 0; goto ex;}
}
el_torito_set_boot_platform_id(bootimg, (uint8_t) platform_id);
if(load_size / 512 > 65535) {
sprintf(xorriso->info_text,
"Boot image load size exceeds 65535 blocks of 512 bytes. ");
if(platform_id == 0xef) {
strcat(xorriso->info_text,
"Will record 0 in El Torito to extend ESP to end-of-medium.");
load_size= 0;
} else {
strcat(xorriso->info_text, "Will record 65535 in El Torito.");
load_size= 65535 * 512;
}
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "WARNING", 0);
}
if(xorriso->boot_img_full_size) {
el_torito_set_full_load(bootimg, 1);
} else {
/* The function will understand negative short as positive unsigned */
el_torito_set_load_size(bootimg, (short) (load_size / 512));
}
el_torito_set_id_string(bootimg, xorriso->boot_id_string);
el_torito_set_selection_crit(bootimg, xorriso->boot_selection_crit);
ret= Xorriso_set_isolinux_options(xorriso, image, 1);
if(!(flag & 1)) {
/* Register attachment and reset even in case of error return */
xorriso->boot_count++;
xorriso->boot_platform_id= 0;
xorriso->patch_isolinux_image= 0;
xorriso->boot_image_bin_path[0]= 0;
xorriso->boot_image_bin_form[0]= 0;
xorriso->boot_image_emul= 0;
xorriso->boot_emul_default= 1;
xorriso->boot_image_load_size= 4 * 512;
xorriso->boot_img_size_default= 1;
xorriso->boot_img_full_size= 0;
memset(xorriso->boot_id_string, 0, sizeof(xorriso->boot_id_string));
memset(xorriso->boot_selection_crit, 0,
sizeof(xorriso->boot_selection_crit));
xorriso->boot_efi_default= 0;
}
if(ret <= 0)
goto ex;
ret= 1;
ex:;
if(image != NULL)
iso_image_unref(image);
return(ret);
}
int Xorriso_write_application_use(struct XorrisO *xorriso,
IsoImage *image, int flag)
{
int l, ret, count= 512;
unsigned int byte= 0;
char *path, data[512];
FILE *fp= NULL;
path= xorriso->application_use;
l= strlen(path);
if(l <= 1) {
memset(data, path[0], 512);
} else if(l == 4 && path[0] == '0' && path[1] == 'x' &&
isxdigit(path[2]) && isxdigit(path[3])) {
sscanf(path + 2, "%x", &byte);
memset(data, (int) byte, 512);
} else {
/* Read up to 512 bytes from file path */
ret= Xorriso_afile_fopen(xorriso, path, "rb", &fp, 0);
if(ret <= 0)
{ret= 0; goto ex;}
ret= fread(data, 1, 512, fp);
if(ret < 512) {
if(ferror(fp)) {
sprintf(xorriso->info_text,
"-application_use: Error while reading file ");
Text_shellsafe(path, xorriso->info_text, 1);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text,
errno, "FAILURE", 0);
ret= 0; goto ex;
}
}
if(ret < 0)
count= 0;
else
count= ret;
}
iso_image_set_app_use(image, data, count);
ret= 1;
ex:
if(fp != NULL && fp != stdin)
fclose(fp);
return(ret);
}
int Xorriso_retry_write_session(struct XorrisO *xorriso, int flag)
{
int ret, auto_close_mem, do_close_mem;
if(xorriso->do_tao == 1) {
Xorriso_msgs_submit(xorriso, 0,
"There is no hope for a re-try with -close \"on\" as long as -write_type is \"tao\"",
0, "FAILURE", 0);
return(0);
}
Xorriso_msgs_submit(xorriso, 0, "Re-trying with -close \"on\"", 0, "NOTE", 0);
do_close_mem= xorriso->do_close;
auto_close_mem= xorriso->auto_close;
xorriso->do_close= 1;
xorriso->auto_close= 0;
ret= Xorriso_write_session(xorriso, 0);
xorriso->do_close= do_close_mem;
xorriso->auto_close= auto_close_mem;
return(ret);
}
int Xorriso_make_iso_write_opts(struct XorrisO *xorriso, IsoImage *image,
struct isoburn_imgen_opts *sopts, int flag)
{
int ext, i, ret, pad_by_libisofs= 0, is_bootable= 0, relax, intvl_string= 0;
int intvl_check= 2; /* 3 forbids "imported_iso" */
int with_appended_partition= 0;
char *out_cs, *part_image;
IsoNode *root_node;
uint32_t padding;
relax= xorriso->relax_compliance;
if(image != NULL)
is_bootable= iso_image_get_boot_image(image, NULL, NULL, NULL);
/* xorriso->patch_isolinux_image gets reset in Xorriso_attach_boot_image()
So this applies only to -boot_image ... "patch" or "keep".
>>> Better would be to analyze and keep the relaxations of the loaded image.
*/
if((xorriso->patch_isolinux_image & 1) && is_bootable == 1)
relax|= isoburn_igopt_allow_full_ascii;
out_cs= xorriso->out_charset;
if(out_cs == NULL)
Xorriso_get_local_charset(xorriso, &out_cs, 0);
isoburn_igopt_set_level(sopts, xorriso->iso_level);
ext= ((!!xorriso->do_rockridge) * isoburn_igopt_rockridge) |
((!!xorriso->do_joliet) * isoburn_igopt_joliet) |
((!!xorriso->do_hfsplus) * isoburn_igopt_hfsplus) |
((!!xorriso->do_fat) * isoburn_igopt_fat) |
((!!xorriso->do_iso1999) * isoburn_igopt_iso1999) |
(( !(xorriso->ino_behavior & 2)) * isoburn_igopt_hardlinks) |
(( (!(xorriso->ino_behavior & 2)) ||
(xorriso->do_aaip & (2 | 8 | 16 | 256 | (1 << 11) | (1 << 17))) ||
(xorriso->do_md5 & (2 | 4)) ||
xorriso->do_hfsplus
) * isoburn_igopt_aaip) |
((!!(xorriso->do_md5 & 2)) * isoburn_igopt_session_md5) |
((!!(xorriso->do_md5 & 4)) * isoburn_igopt_file_md5) |
((!!(xorriso->do_md5 & 8)) * isoburn_igopt_file_stability) |
((!!xorriso->do_old_empty) * isoburn_igopt_old_empty) |
((flag & 1) * isoburn_igopt_will_cancel);
if(xorriso->no_emul_toc & 1)
ext|= isoburn_igopt_no_emul_toc;
isoburn_igopt_set_extensions(sopts, ext);
isoburn_igopt_set_relaxed(sopts, relax);
ret = isoburn_igopt_set_rr_reloc(sopts, xorriso->rr_reloc_dir,
xorriso->rr_reloc_flags);
if(ret <= 0)
{ret= 0; goto ex;}
ret= isoburn_igopt_set_untranslated_name_len(sopts,
xorriso->untranslated_name_len);
if(ret <= 0)
{ret= 0; goto ex;}
isoburn_igopt_set_sort_files(sopts, 1);
isoburn_igopt_set_over_mode(sopts, 0, 0, (mode_t) 0, (mode_t) 0);
isoburn_igopt_set_over_ugid(sopts, 2 * !!xorriso->do_global_uid,
2 * !!xorriso->do_global_gid,
(uid_t) xorriso->global_uid,
(gid_t) xorriso->global_gid);
isoburn_igopt_set_out_charset(sopts, out_cs);
isoburn_igopt_set_fifo_size(sopts, xorriso->fs * 2048);
Ftimetxt(time(NULL), xorriso->scdbackup_tag_time, 8);
isoburn_igopt_set_scdbackup_tag(sopts, xorriso->scdbackup_tag_name,
xorriso->scdbackup_tag_time,
xorriso->scdbackup_tag_written);
if(xorriso->prep_partition[0]) {
part_image= xorriso->prep_partition;
intvl_string= Xorriso_check_intvl_string(xorriso, &part_image, intvl_check);
if(intvl_string < 0)
{ret= 0; goto ex;}
ret= isoburn_igopt_set_prep_partition(sopts, part_image, intvl_string);
if(ret <= 0)
{ret= 0; goto ex;}
}
if(xorriso->efi_boot_partition[0]) {
part_image= xorriso->efi_boot_partition;
intvl_string= Xorriso_check_intvl_string(xorriso, &part_image, intvl_check);
if(intvl_string < 0)
{ret= 0; goto ex;}
ret= isoburn_igopt_set_efi_bootp(sopts, part_image, intvl_string);
if(ret <= 0)
{ret= 0; goto ex;}
}
for(i= 0; i < Xorriso_max_appended_partitionS; i++) {
if(xorriso->appended_partitions[i] == NULL)
continue;
if(xorriso->appended_partitions[i][0] == 0)
continue;
if(strcmp(xorriso->appended_partitions[i], ".") == 0)
part_image= "";
else
part_image= xorriso->appended_partitions[i];
intvl_string= Xorriso_check_intvl_string(xorriso, &part_image, intvl_check);
if(intvl_string < 0)
{ret= 0; goto ex;}
isoburn_igopt_set_partition_img(sopts, i + 1,
xorriso->appended_part_types[i], part_image);
isoburn_igopt_set_part_flag(sopts, i + 1, intvl_string);
isoburn_igopt_set_part_type_guid(sopts, i + 1,
xorriso->appended_part_type_guids[i],
xorriso->appended_part_gpt_flags[i] & 1);
with_appended_partition= 1;
}
isoburn_igopt_set_appended_as_gpt(sopts, xorriso->appended_as_gpt);
isoburn_igopt_set_appended_as_apm(sopts, xorriso->appended_as_apm);
isoburn_igopt_set_part_like_isohybrid(sopts, xorriso->part_like_isohybrid);
isoburn_igopt_set_iso_mbr_part_type(sopts, xorriso->iso_mbr_part_type);
isoburn_igopt_set_iso_type_guid(sopts, xorriso->iso_gpt_type_guid,
xorriso->iso_mbr_part_flag & 1);
isoburn_igopt_set_gpt_guid(sopts, xorriso->gpt_guid, xorriso->gpt_guid_mode);
/* GPT with gaps only if partitions get appended */
if(with_appended_partition && xorriso->appended_as_gpt)
isoburn_igopt_set_gpt_with_gaps(sopts, !!(xorriso->iso_mbr_part_flag & 2),
!!(xorriso->iso_mbr_part_flag & 4),
!!(xorriso->iso_mbr_part_flag & 8));
ret= isoburn_igopt_set_max_ce_entries(sopts, xorriso->max_ce_entries,
xorriso->max_ce_entries_flag);
if(ret <= 0)
{ret= 0; goto ex;}
isoburn_igopt_set_disc_label(sopts, xorriso->ascii_disc_label);
isoburn_igopt_set_hfsp_serial_number(sopts, xorriso->hfsp_serial_number);
isoburn_igopt_set_hfsp_block_size(sopts, xorriso->hfsp_block_size,
xorriso->apm_block_size);
isoburn_igopt_set_pvd_times(sopts,
xorriso->vol_creation_time, xorriso->vol_modification_time,
xorriso->vol_expiration_time, xorriso->vol_effective_time,
xorriso->vol_uuid);
#ifdef Xorriso_with_libjtE
if(xorriso->libjte_handle && (xorriso->libjte_params_given & (4 | 8))) {
/* >>> Check whether the mandatory parameters are set */;
ret= libjte_set_outfile(xorriso->libjte_handle, xorriso->outdev);
Xorriso_process_msg_queues(xorriso, 0);
if(ret <= 0)
goto ex;
isoburn_igopt_attach_jte(sopts, xorriso->libjte_handle);
pad_by_libisofs= 1;
}
#endif /* Xorriso_with_libjtE */
if(xorriso->do_padding_by_libisofs || pad_by_libisofs) {
/* Padding to be done by libisofs, not by libburn.
*/
padding= xorriso->padding / 2048;
if((uint32_t) xorriso->padding > padding * 2048)
padding++;
/*
fprintf(stderr, "XORRISO_DEBUG: isoburn_igopt_set_tail_blocks(%d)\n",
(int) padding);
*/
isoburn_igopt_set_tail_blocks(sopts, padding);
}
/* Make final abort check before starting expensive activities */
ret= Xorriso_eval_problem_status(xorriso, 1, 0);
if(ret<0)
{ret= 0; goto ex;}
if(xorriso->zisofs_by_magic && image != NULL) {
sprintf(xorriso->info_text,
"Checking disk file content for zisofs compression headers.");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "UPDATE", 0);
root_node= (IsoNode *) iso_image_get_root(image);
ret= iso_node_zf_by_magic(root_node,
(xorriso->out_drive_handle == xorriso->in_drive_handle) |
2 | 16 | (xorriso->zisofs_by_magic << 8));
if(ret<0) {
Xorriso_report_iso_error(xorriso, "", ret,
"Error when examining file content for zisofs headers",
0, "FAILURE", 1);
}
ret= Xorriso_eval_problem_status(xorriso, 1, 0);
if(ret<0)
{ret= 0; goto ex;}
sprintf(xorriso->info_text,
"Check for zisofs compression headers done.");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "UPDATE", 0);
}
ret = isoburn_igopt_set_write_type(sopts, xorriso->do_tao);
if(ret <= 0)
goto ex;
ret = isoburn_igopt_set_stdio_endsync(sopts, xorriso->stdio_sync >= 0);
if(ret <= 0)
goto ex;
ret= 1;
ex:;
Xorriso_process_msg_queues(xorriso, 0);
return(ret);
}
int Xorriso_set_all_file_dates(struct XorrisO *xorriso, int flag)
{
int idx, ret, was_failure= 0;
char *hargv[4];
if(xorriso->all_file_dates[0] == 0)
return(2);
if(strcmp(xorriso->all_file_dates, "set_to_mtime") == 0) {
hargv[0]= "/";
hargv[1]= "-exec";
hargv[2]= "set_to_mtime";
hargv[3]= "--";
idx= 0;
ret= Xorriso_option_find(xorriso, 4, hargv, &idx, 0);
if(ret <= 0)
was_failure= 1;
} else {
hargv[0]= "/";
idx= 0;
ret= Xorriso_option_alter_date(xorriso, "b", xorriso->all_file_dates,
1, hargv, &idx, 1);
if(ret <= 0)
was_failure= 1;
idx= 0;
ret= Xorriso_option_alter_date(xorriso, "c", xorriso->all_file_dates,
1, hargv, &idx, 1);
if(ret <= 0)
was_failure= 1;
}
Xorriso_relax_compliance(xorriso, "always_gmt", 0);
return(!was_failure);
}
/* @return 0= no EFI , 1= EFI but no warning needed , 2= warning was issued
*/
int Xorriso_warn_efi_boot_dir(struct XorrisO *xorriso, IsoImage *image,
int flag)
{
int ret, num_boots, i, filec= 0;
off_t mem= 0;
char *patterns[1], **filev= NULL;
ElToritoBootImage **boots = NULL;
IsoFile **bootnodes = NULL;
IsoNode *node;
/* Check El Torito images for EFI */
ret= iso_image_get_all_boot_imgs(image, &num_boots, &boots, &bootnodes, 0);
Xorriso_process_msg_queues(xorriso,0);
if(ret == 1) {
for(i= 0; i <num_boots; i++) {
if(el_torito_get_boot_platform_id(boots[i]) == 0xef)
goto has_efi;
}
}
/* Check appended partitions for EFI */
for(i= 0; i < Xorriso_max_appended_partitionS; i++) {
if(xorriso->appended_partitions[i] == NULL)
continue;
if(xorriso->appended_partitions[i][0] == 0)
continue;
if(xorriso->appended_part_types[i] == 0xef)
goto has_efi;
}
/* No EFI found */
ret= 0; goto ex;
has_efi:;
/* Check for /[Ee][Ff][Ii]/[Bb][Oo][Oo][Tt]/ in ISO tree */
patterns[0]= "/[Ee][Ff][Ii]/[Bb][Oo][Oo][Tt]";
ret= Xorriso_expand_pattern(xorriso, 1, patterns, 0, &filec, &filev, &mem, 0);
if(ret > 0 && filec > 0) {
ret= Xorriso_node_from_path(xorriso, image, filev[0], &node, 1);
if(ret > 0) {
if(LIBISO_ISDIR(node)) {
ret= 1; goto ex;
}
}
}
Xorriso_msgs_submit(xorriso, 0,
"EFI boot equipment is provided but no directory /EFI/BOOT",
0, "WARNING", 0);
Xorriso_msgs_submit(xorriso, 0,
"will emerge in the ISO filesystem. A popular method to",
0, "WARNING", 0);
Xorriso_msgs_submit(xorriso, 0,
"prepare a USB stick on MS-Windows relies on having in the",
0, "WARNING", 0);
Xorriso_msgs_submit(xorriso, 0,
"ISO filesystem a copy of the EFI System Partition tree.",
0, "WARNING", 0);
ret= 2;
ex:;
Sfile_destroy_argv(&filec, &filev, 0);
if(boots != NULL)
free(boots);
if(bootnodes != NULL)
free(bootnodes);
return(ret);
}
/* @param flag bit0= do not write but only prepare and return size in sectors
@return <=0 error , 1= success
2= failure with DVD-RW, please call Xorriso_retry_write_session()
*/
off_t Xorriso_write_session(struct XorrisO *xorriso, int flag)
{
int ret, i, pacifier_speed= 0, is_bootable= 0;
off_t data_lba;
int freshly_bootable= 0, hide_attr, signal_mode, role, is_bdr_pow= 0;
char *xorriso_id= NULL, *img_id, *sfe= NULL, *out_cs;
struct isoburn_imgen_opts *sopts= NULL;
struct burn_drive_info *dinfo, *source_dinfo;
struct burn_drive *drive, *source_drive;
struct burn_disc *disc= NULL;
struct burn_write_opts *burn_options= NULL;
off_t readcounter= 0,writecounter= 0;
int num_sessions= 0, num_tracks= 0;
struct burn_session **sessions;
struct burn_track **tracks;
enum burn_disc_status s;
IsoImage *image= NULL;
int profile_number;
char *profile_name= NULL, *reasons= NULL;
IsoBoot *bootcat_node;
Xorriso_alloc_meM(sfe, char, 5 * SfileadrL);
Xorriso_alloc_meM(xorriso_id, char, 256);
Xorriso_alloc_meM(profile_name, char, 80);
Xorriso_alloc_meM(reasons, char, BURN_REASONS_LEN);
ret= Xorriso_finish_hl_update(xorriso, 0);
if(ret <= 0)
goto ex;
ret= Xorriso_set_all_file_dates(xorriso, 1);
if(ret <= 0)
goto ex;
out_cs= xorriso->out_charset;
if(out_cs == NULL)
Xorriso_get_local_charset(xorriso, &out_cs, 0);
ret= Xorriso_get_drive_handles(xorriso, &dinfo, &drive,
"on attempt to write", 2);
if(ret<=0)
goto ex;
if(!(flag & 1)) {
ret= Xorriso_auto_format(xorriso, 0);
if(ret <=0 )
{ret= 0; goto ex;}
}
is_bdr_pow= burn_drive_get_bd_r_pow(drive);
if(is_bdr_pow) {
sprintf(xorriso->info_text,
"May not write to Pseudo Overwrite formatted BD-R medium");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
{ret= 0; goto ex;}
}
s= isoburn_disc_get_status(drive);
if (xorriso->do_hfsplus && (
(xorriso->grow_blindly_msc2 >= 0 &&
xorriso->out_drive_handle != xorriso->in_drive_handle)
||
(xorriso->out_drive_handle == xorriso->in_drive_handle &&
s != BURN_DISC_BLANK)
)) {
sprintf(xorriso->info_text,
"May not grow ISO image while -hfsplus is enabled");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
{ret= 0; goto ex;}
}
if(xorriso->out_drive_handle == xorriso->in_drive_handle) {
if(abs(xorriso->displacement_sign) == 1 && xorriso->displacement != 0 &&
s != BURN_DISC_BLANK) {
sprintf(xorriso->info_text,
"May not grow ISO image while -displacement is non-zero");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
{ret= 0; goto ex;}
}
source_drive= drive;
} else {
if(xorriso->in_drive_handle == NULL) {
source_drive= drive;
} else {
ret= Xorriso_get_drive_handles(xorriso, &source_dinfo, &source_drive,
"on attempt to get source for write", 0);
if(ret<=0)
goto ex;
}
if(s!=BURN_DISC_BLANK) {
s= burn_disc_get_status(drive);
if(s!=BURN_DISC_BLANK)
sprintf(xorriso->info_text,
"-indev differs from -outdev and -outdev media is not blank");
else
sprintf(xorriso->info_text,
"-indev differs from -outdev and -outdev media holds non-zero data");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
{ret= 0; goto ex;}
}
}
ret= Xorriso_get_profile(xorriso, &profile_number, profile_name, 2);
if(ret == 2)
pacifier_speed= 1;
else if(ret == 3)
pacifier_speed= 2;
ret= Xorriso_check_multi(xorriso, drive, 0);
if(ret<=0)
goto ex;
ret= isoburn_igopt_new(&sopts, 0);
if(ret<=0) {
Xorriso_process_msg_queues(xorriso, 0);
goto ex;
}
xorriso->alignment= 0;
image= isoburn_get_attached_image(source_drive);
if(image != NULL) {
iso_image_set_application_id(image, xorriso->application_id);
iso_image_set_publisher_id(image, xorriso->publisher);
iso_image_set_system_id(image, xorriso->system_id);
iso_image_set_volset_id(image, xorriso->volset_id);
iso_image_set_copyright_file_id(image, xorriso->copyright_file);
iso_image_set_biblio_file_id(image, xorriso->biblio_file);
iso_image_set_abstract_file_id(image, xorriso->abstract_file);
Xorriso_write_application_use(xorriso, image, 0);
Xorriso_process_msg_queues(xorriso,0);
}
if((xorriso->do_aaip & 256) && out_cs != NULL) {
static char *names = "isofs.cs";
size_t value_lengths[1];
value_lengths[0]= strlen(out_cs);
ret= Xorriso_setfattr(xorriso, NULL, "/",
(size_t) 1, &names, value_lengths, &out_cs, 2 | 8);
if(ret<=0)
goto ex;
}
if(iso_image_was_blind_attrs(image, 0))
Xorriso_msgs_submit(xorriso, 0,
"Some file xattr namespace could not be explored",
0, "WARNING", 0);
if(image!=NULL && 12+strlen(Xorriso_timestamP)<80) {
strcpy(xorriso_id, xorriso->preparer_id);
img_id= (char *) iso_image_get_data_preparer_id(image);
if(img_id!=NULL) {
for(i= strlen(img_id)-1; i>=0 && img_id[i]==' '; i--);
if(i>0) {
sprintf(xorriso->info_text, "Overwrote previous preparer id '%s'",
img_id);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "DEBUG", 0);
}
}
iso_image_set_data_preparer_id(image, xorriso_id);
}
ret= Xorriso_set_system_area(xorriso, source_drive, drive, image, sopts, 0);
if(ret <= 0)
goto ex;
/* Activate, adjust or discard boot image */
if(image!=NULL) {
if(xorriso->boot_image_bin_path[0]) {
ret= Xorriso_attach_boot_image(xorriso, xorriso->boot_count == 0);
if(ret <= 0)
goto ex;
freshly_bootable= 1;
}
is_bootable= iso_image_get_boot_image(image, NULL, NULL, &bootcat_node);
}
if(image!=NULL && !(flag&1)) {
if(xorriso->boot_count > 0 || freshly_bootable) {
/* Eventually rename boot catalog node to changed boot_image_cat_path */
if(is_bootable > 0) {
ret= Xorriso_path_from_node(xorriso, (IsoNode *) bootcat_node, sfe, 0);
if(ret > 0) {
if(strcmp(sfe, xorriso->boot_image_cat_path) != 0) {
ret= Xorriso_rename(xorriso, NULL, sfe,
xorriso->boot_image_cat_path, 1);
if(ret <= 0)
goto ex;
}
}
}
hide_attr= !!(xorriso->boot_image_cat_hidden);
if(xorriso->boot_image_cat_hidden & 1)
hide_attr|= LIBISO_HIDE_ON_RR;
if(xorriso->boot_image_cat_hidden & 2)
hide_attr|= LIBISO_HIDE_ON_JOLIET;
if(xorriso->boot_image_cat_hidden & 4)
hide_attr|= LIBISO_HIDE_ON_HFSPLUS;
iso_image_set_boot_catalog_hidden(image, hide_attr);
} else if(xorriso->patch_isolinux_image & 1) {
if(is_bootable == 1) {
/* will imply isoburn_igopt_allow_full_ascii */
sprintf(xorriso->info_text, "Patching boot info table");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
ret= Xorriso_path_from_lba(xorriso, NULL,
(off_t) xorriso->loaded_boot_bin_lba, sfe, 1);
if(ret < 0)
goto ex;
if(ret == 0) {
sprintf(xorriso->info_text,
"Cannot patch boot image: no file found for its LBA.");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
sprintf(xorriso->info_text,
"Probably the loaded boot image file was deleted in this session.");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
sprintf(xorriso->info_text,
"Use -boot_image \"any\" \"discard\" or set new boot image");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "HINT", 0);
goto ex;
}
ret= Xorriso_set_isolinux_options(xorriso, image, 0);
if(ret <= 0)
goto ex;
} else if(!freshly_bootable) {
sprintf(xorriso->info_text,
"Could not find any boot image for -boot_image patching");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "WARNING", 0);
}
} else if(xorriso->keep_boot_image && is_bootable == 1) {
/* will imply isoburn_igopt_allow_full_ascii */
sprintf(xorriso->info_text, "Keeping boot image unchanged");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
} else if(is_bootable == 1) {
iso_image_remove_boot_image(image);
sprintf(xorriso->info_text, "Discarded boot image from old session");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
}
/* hardcoded and regardless whether a catalog will get written */
iso_image_set_boot_catalog_weight(image, 1000000000);
}
if((xorriso->do_aaip & 16) || !(xorriso->ino_behavior & 2)) {
/* Overwrite isofs.st of root node by xorriso->isofs_st_out */
char *name= "isofs.st";
char timestamp[16], *value= timestamp;
size_t value_length;
sprintf(timestamp, "%.f", (double) xorriso->isofs_st_out);
value_length= strlen(timestamp);
Xorriso_setfattr(xorriso, NULL, "/", (size_t) 1, &name,
&value_length, &value, 2 | 8);
}
Xorriso_warn_efi_boot_dir(xorriso, image, 0);
ret= Xorriso_make_iso_write_opts(xorriso, image, sopts, flag & 1);
if(ret <= 0)
goto ex;
/* >>> omit iso_image_update_sizes if the image was filled up very quickly */;
ret= iso_image_update_sizes(image);
if(ret < 0) {
Xorriso_process_msg_queues(xorriso, 0);
if(ret<0) {
Xorriso_report_iso_error(xorriso, "", ret,
"Error when updating file sizes",
0, "FAILURE", 1);
}
ret= Xorriso_eval_problem_status(xorriso, 1, 0);
if(ret<0)
{ret= 0; goto ex;}
}
Xorriso_set_abort_severity(xorriso, 1);
if (xorriso->grow_blindly_msc2 >= 0 &&
xorriso->out_drive_handle != xorriso->in_drive_handle) {
ret= isoburn_prepare_blind_grow_v2(source_drive, &disc, sopts, drive,
xorriso->grow_blindly_msc2);
if(ret>0) {
/* Allow the consumer of output to access the input drive */
source_drive= NULL;
ret= Xorriso_give_up_drive(xorriso, 1|8);
if(ret<=0)
goto ex;
}
} else if(xorriso->out_drive_handle == xorriso->in_drive_handle ||
xorriso->in_drive_handle == NULL) {
ret= isoburn_prepare_disc(source_drive, &disc, sopts);
} else {
ret= isoburn_prepare_new_image(source_drive, &disc, sopts, drive);
}
if(ret <= 0) {
Xorriso_process_msg_queues(xorriso,0);
sprintf(xorriso->info_text,"Failed to prepare session write run");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
{ret= 0; goto ex;}
}
ret= Xorriso_make_write_options(xorriso, drive, &burn_options, 0);
if(ret<=0)
goto cancel_iso;
isoburn_igopt_get_effective_lba_v2(sopts, &(xorriso->session_lba));
if(xorriso->do_stream_recording == 2) {
ret= isoburn_igopt_get_data_start_v2(sopts, &data_lba);
if(ret > 0 && data_lba >= 16 && data_lba < (int) 0x7fffffff)
burn_write_opts_set_stream_recording(burn_options, (int) data_lba);
}
ret= Xorriso_sanitize_image_size(xorriso, drive, disc, burn_options, flag&1);
if(ret<=0 || (flag&1)) {
Xorriso_process_msg_queues(xorriso,0);
if(flag&1) /* set queue severity to FAILURE */
Xorriso_set_image_severities(xorriso, 2);
if(flag&1) /* reset queue severity */
Xorriso_set_image_severities(xorriso, 0);
if(flag & 1)
xorriso->print_size_counter++;
goto cancel_iso;
}
ret= Xorriso_may_burn(xorriso, 0);
if(ret <= 0)
goto cancel_iso;
role= burn_drive_get_drive_role(drive);
/* Important: do not return until burn_is_aborting() was checked */
signal_mode= 1;
if(role == 1)
signal_mode|= 2;
Xorriso_set_signal_handling(xorriso, signal_mode);
/* De-activate eventual target file truncation in dummy mode */
ret= isoburn_set_truncate(drive, (!xorriso->do_dummy) | 2 | 4);
if(ret < 0)
goto cancel_iso;
xorriso->run_state= 1; /* Indicate that burning has started */
isoburn_disc_write(burn_options, disc);
burn_write_opts_free(burn_options);
burn_options= NULL;
ret= Xorriso_pacifier_loop(xorriso, drive, pacifier_speed << 4);
if(burn_is_aborting(0))
Xorriso_abort(xorriso, 0); /* Never comes back */
Xorriso_set_signal_handling(xorriso, 0);
if(ret<=0)
goto ex;
if(!isoburn_drive_wrote_well(drive)) {
isoburn_cancel_prepared_write(source_drive, drive, 0);
Xorriso_process_msg_queues(xorriso,0);
if(xorriso->auto_close && xorriso->do_close == 0) {
if(burn_drive_was_feat21_failure(drive)) {
sprintf(xorriso->info_text,
"libburn indicates failure with writing DVD-RW to appendable state.");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
/* Urge caller to call Xorriso_retry_write_session() */
ret= 2; goto ex;
}
}
sprintf(xorriso->info_text,
"libburn indicates failure with writing.");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
ret= 0; goto ex;
}
Xorriso_process_msg_queues(xorriso,0);
sessions= burn_disc_get_sessions(disc, &num_sessions);
if(num_sessions>0) {
tracks= burn_session_get_tracks(sessions[0], &num_tracks);
if(tracks!=NULL && num_tracks>0) {
burn_track_get_counters(tracks[0],&readcounter,&writecounter);
xorriso->session_blocks= writecounter / 2048.0;
sprintf(xorriso->info_text,
"ISO image produced: %.f sectors\nWritten to medium : %.f sectors at LBA %.f\n",
((double) readcounter) / 2048.0,
(double) xorriso->session_blocks, (double) xorriso->session_lba);
Xorriso_info(xorriso, 0);
}
}
ret= isoburn_activate_session(drive);
Xorriso_process_msg_queues(xorriso,0);
if(ret<=0) {
sprintf(xorriso->info_text,
"Could not write new set of volume descriptors");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FATAL", 0);
goto ex;
}
/* Done early to free any reference to the libisofs resources via disc */
if(disc!=NULL)
burn_disc_free(disc);
disc= NULL;
/* To wait for the end of the libisofs threads and their messages. */
isoburn_sync_after_write(source_drive, drive, 0);
Xorriso_process_msg_queues(xorriso,0);
sprintf(xorriso->info_text, "Writing to %s completed successfully.\n\n",
Text_shellsafe(xorriso->outdev,sfe,0));
Xorriso_info(xorriso, 0);
xorriso->write_session_counter++;
ret= 1;
ex:;
xorriso->run_state= 0; /* Indicate that burning has ended */
Xorriso_set_abort_severity(xorriso, 0);
if(ret<=0) {
/* >>> ??? revive discarded boot image */;
/* suppress automatic -commit at program end */
xorriso->volset_change_pending= 3;
}
if(disc!=NULL)
burn_disc_free(disc);
if(image != NULL)
iso_image_unref(image);
isoburn_igopt_destroy(&sopts, 0);
if(burn_options != NULL)
burn_write_opts_free(burn_options);
Xorriso_process_msg_queues(xorriso,0);
Xorriso_append_scdbackup_record(xorriso, 0);
Xorriso_free_meM(sfe);
Xorriso_free_meM(xorriso_id);
Xorriso_free_meM(profile_name);
Xorriso_free_meM(reasons);
return(ret);
cancel_iso:;
isoburn_cancel_prepared_write(source_drive, drive, 0);
goto ex;
}
int Xorriso_check_burn_abort(struct XorrisO *xorriso, int flag)
{
int ret;
struct burn_drive_info *dinfo;
struct burn_drive *drive;
if(burn_is_aborting(0))
return(2);
if(xorriso->run_state!=1)
return(0);
ret= Xorriso_eval_problem_status(xorriso, 1, 1);
if(ret>=0)
return(0);
sprintf(xorriso->info_text,
"-abort_on '%s' encountered '%s' during image writing",
xorriso->abort_on_text, xorriso->problem_status_text);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0,
xorriso->problem_status_text, 0);
ret= Xorriso_get_drive_handles(xorriso, &dinfo, &drive,
"on attempt to abort burn run", 2);
if(ret<=0)
return(0);
burn_drive_cancel(drive);
sprintf(xorriso->info_text,
"libburn has now been urged to cancel its operation");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
return(1);
}
/* This loop watches burn runs until they end.
It issues pacifying update messages to the user.
@param flag bit0-3 = emulation mode
0= xorriso
1= mkisofs
2= cdrecord
bit4= report speed in CD units
bit5= report speed in BD units
*/
int Xorriso_pacifier_loop(struct XorrisO *xorriso, struct burn_drive *drive,
int flag)
{
int ret, size, free_bytes, i, aborting= 0, emul, buffer_fill= 50;
int iso_wait_counter= 0, iso_cancel_limit= 5;
struct burn_progress_v2 progress;
off_t last_sector;
char *status_text, date_text[80], *speed_unit, mem_text[8];
enum burn_drive_status drive_status;
double start_time, current_time, last_time, base_time= 0.0, base_count= 0.0;
double next_base_time= 0.0, next_base_count= 0.0, first_base_time= 0.0;
double first_base_count= 0.0, norm= 0.0, now_time, fract_offset= 0.0;
double measured_speed, speed_factor= 1385000, quot, speed_min_time;
double tdiff, now_fract;
time_t time_prediction;
IsoImage *image= NULL;
image= isoburn_get_attached_image(drive);
start_time= Sfile_microtime(0);
while(burn_drive_get_status(drive, NULL) == BURN_DRIVE_SPAWNING)
usleep(100002);
emul= flag&15;
if(emul==0)
emul= xorriso->pacifier_style;
fract_offset= 1.0 / 3.0 * (double) emul - ((int) (1.0 / 3.0 * (double) emul));
speed_min_time= 0.2 * xorriso->pacifier_interval;
speed_unit= "D";
if(flag&16) {
speed_factor= 150.0*1024;
speed_unit= "C";
} else if(flag & 32) {
speed_factor= 4495625;
speed_unit= "B";
}
progress.sector= 0;
current_time= Sfile_microtime(0);
measured_speed= 0.0;
while(1) {
last_time= current_time;
last_sector= progress.sector;
drive_status= burn_drive_get_status_v2(drive, &progress);
if(drive_status == BURN_DRIVE_IDLE) {
/* To avoid a race condition between burn_source and libisofs
writer thread: Wait for ISO generator thread to have finished.
After some seconds kick it by isoburn_cancel_prepared_write()
which waits for the write thread to end.
*/
if(image == NULL)
break;
if(!iso_image_generator_is_running(image))
break;
iso_wait_counter++;
if(iso_wait_counter > iso_cancel_limit) {
isoburn_cancel_prepared_write(drive, NULL, 0);
break;
}
}
current_time= Sfile_microtime(0);
if(drive_status == BURN_DRIVE_WRITING && progress.sectors > 0) {
if(current_time-last_time > speed_min_time)
measured_speed= (progress.sector - last_sector) * 2048.0 /
(current_time - last_time);
buffer_fill= 50;
if(progress.buffer_capacity>0)
buffer_fill= (double) (progress.buffer_capacity
- progress.buffer_available) * 100.0
/ (double) progress.buffer_capacity;
if(emul==2) {
if(progress.sector<=progress.sectors)
sprintf(xorriso->info_text, "%4.f of %4.f MB written",
(double) (progress.sector / 512),
(double) ( progress.sectors / 512));
else
sprintf(xorriso->info_text, "%4.f MB written",
(double) (progress.sector / 512));
if(xorriso->pacifier_fifo!=NULL)
ret= burn_fifo_inquire_status(xorriso->pacifier_fifo,
&size, &free_bytes, &status_text);
else
ret= isoburn_get_fifo_status(drive, &size, &free_bytes, &status_text);
if(ret>0 )
sprintf(xorriso->info_text+strlen(xorriso->info_text),
" (fifo %2d%%)",
(int) (100.0-100.0*((double) free_bytes)/(double) size));
sprintf(xorriso->info_text+strlen(xorriso->info_text), " [buf %3d%%]",
buffer_fill);
if(current_time-last_time > speed_min_time)
sprintf(xorriso->info_text+strlen(xorriso->info_text), " %4.1fx.",
measured_speed/speed_factor);
} else if(emul == 1 &&
progress.sectors > 0 && progress.sector <= progress.sectors) {
/* "37.87% done, estimate finish Tue Jul 15 18:55:07 2008" */
quot= ((double) progress.sector) / ((double) progress.sectors);
sprintf(xorriso->info_text, " %2.2f%% done", quot*100.0);
if(current_time - start_time >= 2 && quot > 0.0 &&
(quot >= 0.02 || progress.sector >= 5*1024)) {
if(base_time == 0.0 && progress.sector >= 16*1024) {
first_base_time= base_time= next_base_time= current_time;
first_base_count= next_base_count= progress.sector;
} else if(next_base_time > 0 && current_time - next_base_time >= 10) {
base_time= next_base_time;
base_count= next_base_count;
next_base_time= current_time;
next_base_count= progress.sector;
}
if(first_base_time > 0 &&
current_time - first_base_time >= 10 &&
progress.sectors > first_base_count &&
progress.sector > first_base_count) {
norm= (1.0 - quot);
if(norm < 0.0001)
norm= 0.0001;
quot= ((double) progress.sector - first_base_count)
/ ((double) progress.sectors - first_base_count);
time_prediction= norm * (1.0 - quot) / quot
* (current_time - first_base_time);
} else {
time_prediction= (1.0 - quot) / quot * (current_time - start_time);
norm= 1.0;
}
if(base_time > 0 &&
current_time - base_time >= 10 && progress.sectors > base_count) {
quot= ((double) progress.sector - base_count)
/ ((double) progress.sectors - base_count);
time_prediction+= (1.0 - quot) / quot * (current_time - base_time);
norm+= 1.0;
}
time_prediction/= norm;
if(time_prediction < 30*86400 && time_prediction > 0) {
time_prediction+= current_time + 1;
Ftimetxt(time_prediction, date_text, 4);
sprintf(xorriso->info_text+strlen(xorriso->info_text),
", estimate finish %s", date_text);
}
}
} else {
if(progress.sector<=progress.sectors) {
if(progress.sectors <= 0)
strcpy(mem_text, " 99.9");
else
sprintf(mem_text, "%5.1f",
100.0 * ((double) progress.sector) / ((double) progress.sectors));
mem_text[5]= 0;
sprintf(xorriso->info_text, "Writing: %10.fs %s%% ",
(double) progress.sector, mem_text);
} else {
Sfile_scale(2048.0 * (double) progress.sector, mem_text, 5, 1e4, 1);
sprintf(xorriso->info_text, "Writing: %10.fs %s ",
(double) progress.sector, mem_text);
}
ret= isoburn_get_fifo_status(drive, &size, &free_bytes, &status_text);
if(ret>0 )
sprintf(xorriso->info_text+strlen(xorriso->info_text),
" fifo %3d%% buf %3d%%",
(int) (100.0-100.0*((double) free_bytes)/(double) size),
buffer_fill);
if(current_time - last_time > speed_min_time)
sprintf(xorriso->info_text+strlen(xorriso->info_text), " %5.1fx%s ",
measured_speed/speed_factor, speed_unit);
}
} else if(drive_status == BURN_DRIVE_CLOSING_SESSION ||
drive_status == BURN_DRIVE_CLOSING_TRACK)
sprintf(xorriso->info_text,
"Closing track/session. Working since %.f seconds",
current_time-start_time);
else if(drive_status == BURN_DRIVE_FORMATTING)
sprintf(xorriso->info_text, "Formatting. Working since %.f seconds",
current_time-start_time);
else
sprintf(xorriso->info_text,
"Thank you for being patient. Working since %.f seconds.",
current_time-start_time);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "UPDATE", 0);
for(i= 0; i < 20; i++) { /* 10 usleeps more than supposed to be needed */
Xorriso_process_msg_queues(xorriso, 0);
if(aborting<=0)
aborting= Xorriso_check_burn_abort(xorriso, 0);
usleep((unsigned long) (100000.0 * xorriso->pacifier_interval));
now_time= Sfile_microtime(0);
tdiff= ((off_t)(now_time / xorriso->pacifier_interval)) -
(off_t)(current_time / xorriso->pacifier_interval);
now_fract= (now_time / xorriso->pacifier_interval -
(off_t)(now_time / xorriso->pacifier_interval));
if(tdiff < 1.0)
continue;
if(fract_offset <= 0.0) /* "xorriso" pacifier shall not wait for slot */
break;
if((now_fract >= fract_offset && now_fract < fract_offset + 0.3) ||
tdiff >= 2.0)
break;
}
}
iso_image_unref(image);
return(1);
}
/* @param flag bit0= fast
bit1= deformat
bit2= do not re-aquire drive
@return 0=failure, did not touch medium , -1=failure, altered medium
1=success, altered medium , 2=success, did not touch medium
*/
int Xorriso_blank_media(struct XorrisO *xorriso, int flag)
{
int ret, do_deformat= 0, signal_mode, using_immed;
struct burn_drive_info *dinfo;
struct burn_drive *drive;
enum burn_disc_status disc_state;
struct burn_progress_v2 p;
double percent = 1.0;
int current_profile;
char current_profile_name[80];
time_t start_time;
char mode_names[4][80]= {"all", "fast", "deformat", "deformat_quickest"};
char progress_text[40];
ret= Xorriso_may_burn(xorriso, 0);
if(ret <= 0)
return(0);
ret= Xorriso_get_drive_handles(xorriso, &dinfo, &drive,
"on attempt to -blank", 2);
if(ret<=0)
return(0);
burn_disc_get_profile(drive, &current_profile, current_profile_name);
disc_state = isoburn_disc_get_status(drive);
if(current_profile == 0x13) { /* overwritable DVD-RW */
/* Depending on flag bit1 formatted DVD-RW will get blanked to sequential
state or pseudo blanked by invalidating an eventual ISO image. */
if(flag&2)
do_deformat= 1;
} else if(current_profile == 0x14) { /* sequential DVD-RW */
if((flag&1) && !(flag&2)) {
sprintf(xorriso->info_text,
"-blank: DVD-RW present. Mode 'fast' defaulted to mode 'all'.");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
sprintf(xorriso->info_text,
"Mode 'deformat_quickest' produces single-session-only media.");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "HINT", 0);
flag&= ~1;
}
}
if(disc_state == BURN_DISC_BLANK) {
if(!do_deformat) {
sprintf(xorriso->info_text,
"Blank medium detected. Will leave it untouched");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
return 2;
}
} else if(disc_state==BURN_DISC_FULL || disc_state==BURN_DISC_APPENDABLE) {
;
} else if(disc_state == BURN_DISC_EMPTY) {
sprintf(xorriso->info_text,"No media detected in drive");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
return 0;
} else {
sprintf(xorriso->info_text, "Unsuitable drive and media state");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
return 0;
}
if(!isoburn_disc_erasable(drive)) {
sprintf(xorriso->info_text, "Media is not of erasable type");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
return 0;
}
if(xorriso->do_dummy) {
sprintf(xorriso->info_text,
"-dummy mode prevents blanking of medium in mode '%s'.",
mode_names[flag&3]);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
return(1);
}
using_immed= burn_drive_get_immed(drive);
sprintf(xorriso->info_text, "Beginning to blank medium in mode '%s'.\n",
mode_names[flag&3]);
Xorriso_info(xorriso,0);
/* Important: do not return until burn_is_aborting() was checked */
signal_mode= 1;
ret= burn_drive_get_drive_role(drive);
if(ret == 1)
signal_mode|= 2;
Xorriso_set_signal_handling(xorriso, signal_mode);
if(do_deformat)
burn_disc_erase(drive, (flag&1));
else
isoburn_disc_erase(drive, (flag&1));
start_time= time(0);
usleep(1000000);
if(!using_immed)
sprintf(progress_text, "synchronously since");
while (burn_drive_get_status_v2(drive, &p) != BURN_DRIVE_IDLE) {
Xorriso_process_msg_queues(xorriso,0);
if(p.sectors>0 && p.sector>=0) /* display 1 to 99 percent */
percent = 1.0 + ((double) p.sector+1.0) / ((double) p.sectors) * 98.0;
if(using_immed)
sprintf(progress_text, "%.1f%% done in", percent);
sprintf(xorriso->info_text, "Blanking ( %s %d seconds )",
progress_text, (int) (time(0) - start_time));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "UPDATE", 0);
usleep(1000000);
}
Xorriso_process_msg_queues(xorriso,0);
if(burn_is_aborting(0))
Xorriso_abort(xorriso, 0); /* Never comes back */
Xorriso_set_signal_handling(xorriso, 0);
if(burn_drive_wrote_well(drive)) {
sprintf(xorriso->info_text, "Blanking done\n");
Xorriso_info(xorriso,0);
} else {
sprintf(xorriso->info_text, "Blanking failed.");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
}
if(!(flag & 4)) {
ret= Xorriso_reaquire_outdev(xorriso,
2 + (xorriso->in_drive_handle == xorriso->out_drive_handle));
if(ret <= 0)
return(-1);
}
return(1);
}
/* @param flag bit0= try to achieve faster formatting
bit1= use parameter size (else use default size)
bit2= do not re-aquire drive
bit5= try to disable Defect Management
bit7= by_index mode:
bit8 to bit15 contain the index of the format to use.
@return 0=failure, did not touch medium , -1=failure, altered medium
1=success, altered medium , 2=success, did not touch medium
*/
int Xorriso_format_media(struct XorrisO *xorriso, off_t in_size, int flag)
{
int ret, mode_flag= 0, index, status, num_formats, signal_mode, using_immed;
unsigned dummy;
struct burn_drive_info *dinfo;
struct burn_drive *drive;
struct burn_progress_v2 p;
double percent = 1.0;
int current_profile;
char current_profile_name[80], progress_text[40];
off_t size= 0;
time_t start_time;
enum burn_disc_status disc_state;
ret= Xorriso_may_burn(xorriso, 0);
if(ret <= 0)
return(0);
ret= Xorriso_get_drive_handles(xorriso, &dinfo, &drive,
"on attempt to -format", 2);
if(ret<=0)
return(0);
if(flag & 2) {
mode_flag= 0; /* format to given size */
} else {
mode_flag= 4; /* format to full size */
}
if(flag & 32)
mode_flag|= 32; /* try to disable Defect Management */
burn_disc_get_profile(drive, &current_profile, current_profile_name);
if(flag&128) { /* by_index */
index= (flag>>8) & 0xff;
ret= burn_disc_get_formats(drive, &status, &size, &dummy, &num_formats);
if(ret<=0)
num_formats= 0;
if(ret<=0 || index<0 || index>=num_formats) {
if(num_formats>0)
sprintf(xorriso->info_text,
"-format by_index_%d: format descriptors range from index 0 to %d",
index, num_formats-1);
else
sprintf(xorriso->info_text,
"-format by_index_%d: no format descriptors available", index);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
return(0);
}
mode_flag|= (flag & 0xff80);
if(flag&1)
mode_flag|= (1<<6);
} else if(current_profile == 0x12) { /* DVD+RAM */
if(!(flag & 2))
mode_flag= 6; /* format to default payload size */
if(flag&1)
mode_flag|= (1<<6);
} else if(current_profile == 0x13) { /* DVD-RW */
if(flag&1) {
sprintf(xorriso->info_text,
"Detected formatted DVD-RW. Thus omitting desired fast format run.");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
return(2);
}
} else if(current_profile == 0x14) { /* DVD-RW sequential */
if(flag & 1) {
size= 128*1024*1024;
mode_flag= 1; /* format to size, then write size of zeros */
} else
mode_flag= 4;
} else if(current_profile == 0x1a) { /* DVD+RW */
if(flag&1) {
sprintf(xorriso->info_text,
"Detected DVD+RW. Thus omitting desired fast format run.");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
return(2);
}
} else if(current_profile == 0x41) { /* BD-R SRM */
if(!(flag & 2))
mode_flag= 6; /* format to default payload size */
if(flag&1)
mode_flag|= (1<<6);
} else if(current_profile == 0x43) { /* BD-RE */
if(!(flag & (2 | 32)))
mode_flag= 6; /* format to default payload size */
if(flag&1)
mode_flag|= (1<<6);
} else {
sprintf(xorriso->info_text,
"-format: Unsuitable media detected.");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
sprintf(xorriso->info_text,"Media current: %s (%4.4xh)",
current_profile_name, current_profile);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
return(0);
}
if(!(flag & 1))
mode_flag|= 16; /* enable re-formatting */
if(xorriso->do_dummy) {
sprintf(xorriso->info_text, "-dummy mode prevents formatting of medium.");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
return(1);
}
using_immed= burn_drive_get_immed(drive);
sprintf(xorriso->info_text, "Beginning to format medium.\n");
Xorriso_info(xorriso, 0);
if(flag & 2)
size= in_size;
/* Important: do not return until burn_is_aborting() was checked */
signal_mode= 1;
ret= burn_drive_get_drive_role(drive);
if(ret == 1)
signal_mode|= 2;
Xorriso_set_signal_handling(xorriso, signal_mode);
burn_disc_format(drive, size, mode_flag);
start_time= time(0);
usleep(1000000);
if(!using_immed)
sprintf(progress_text, "synchronously since");
while (burn_drive_get_status_v2(drive, &p) != BURN_DRIVE_IDLE) {
Xorriso_process_msg_queues(xorriso,0);
if(p.sectors>0 && p.sector>=0) /* display 1 to 99 percent */
percent = 1.0 + ((double) p.sector+1.0) / ((double) p.sectors) * 98.0;
if(using_immed)
sprintf(progress_text, "%.1f%% done in", percent);
sprintf(xorriso->info_text, "Formatting ( %s %d seconds )",
progress_text, (int) (time(0) - start_time));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "UPDATE", 0);
usleep(1000000);
}
Xorriso_process_msg_queues(xorriso,0);
if(burn_is_aborting(0))
Xorriso_abort(xorriso, 0); /* Never comes back */
Xorriso_set_signal_handling(xorriso, 0);
if(burn_drive_wrote_well(drive)) {
sprintf(xorriso->info_text, "Formatting done\n");
Xorriso_info(xorriso,0);
} else {
sprintf(xorriso->info_text,
"libburn indicates failure with formatting.");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
return(-1);
}
if(!(flag & 4)) {
ret= Xorriso_reaquire_outdev(xorriso,
2 + (xorriso->in_drive_handle == xorriso->out_drive_handle));
if(ret <= 0)
return(-1);
}
disc_state = isoburn_disc_get_status(drive);
if(disc_state==BURN_DISC_FULL && !(flag&1)) {
/* Blank because full format certification pattern might be non-zero */
ret= Xorriso_blank_media(xorriso, 1);
if(ret <= 0)
return(0);
}
return(1);
}
/* @param flag bit2= formatting rather than blanking
@return 0=failure, did not touch medium , -1=failure, altered medium
1=success, altered medium , 2=success, did not touch medium
*/
int Xorriso_blank_as_needed(struct XorrisO *xorriso, int flag)
{
int ret, is_formatted= -1, status, num_formats, did_work= 0;
struct burn_drive_info *dinfo;
struct burn_drive *drive;
enum burn_disc_status disc_state;
unsigned dummy;
int current_profile;
char current_profile_name[80];
off_t size;
ret= Xorriso_may_burn(xorriso, 0);
if(ret <= 0)
return(0);
ret= Xorriso_get_drive_handles(xorriso, &dinfo, &drive,
"on attempt to blank or format", 2);
if(ret<=0)
return(0);
burn_disc_get_profile(drive, &current_profile, current_profile_name);
ret= burn_disc_get_formats(drive, &status, &size, &dummy, &num_formats);
if(ret>0) {
if(status==BURN_FORMAT_IS_FORMATTED)
is_formatted= 1;
else if(status == BURN_FORMAT_IS_UNFORMATTED)
is_formatted= 0;
}
if(current_profile == 0x12 || current_profile == 0x43) { /* DVD+RAM , BD-RE */
if(is_formatted<0) {
sprintf(xorriso->info_text,
"-blank or -format: Unclear formatting status of %s",
current_profile_name);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
return(0);
}
if(!is_formatted) {
ret= Xorriso_format_media(xorriso, (off_t) 0, (current_profile == 0x43));
if(ret <= 0)
return(ret);
did_work= (ret == 1);
}
} else if(current_profile == 0x14 && (flag&4)) { /* DVD-RW sequential */
ret= Xorriso_format_media(xorriso, (off_t) 0, 0);
if(ret <= 0)
return(ret);
did_work= (ret == 1);
} else if(current_profile == 0x41) { /* BD-R SRM */
if((flag & 4) && !is_formatted) {
ret= Xorriso_format_media(xorriso, (off_t) 0, 1);
if(ret <= 0)
return(ret);
did_work= (ret == 1);
}
}
disc_state = isoburn_disc_get_status(drive);
if(disc_state != BURN_DISC_BLANK && !(flag&4)) {
ret= Xorriso_blank_media(xorriso, 1);
return(ret);
}
if(did_work)
return(1);
sprintf(xorriso->info_text, "%s as_needed: no need for action detected",
(flag&4) ? "-format" : "-blank");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
return(2);
}
int Xorriso_retry_burn_track(struct XorrisO *xorriso,
off_t write_start_address,
char *track_source, off_t tsize, int flag)
{
int ret, auto_close_mem, do_close_mem;
if(xorriso->do_tao == 1) {
Xorriso_msgs_submit(xorriso, 0,
"There is no hope for a re-try with -close \"on\" as long as -write_type is \"tao\"",
0, "FAILURE", 0);
return(0);
}
Xorriso_msgs_submit(xorriso, 0, "Re-trying with -close \"on\"", 0, "NOTE", 0);
do_close_mem= xorriso->do_close;
auto_close_mem= xorriso->auto_close;
xorriso->do_close= 1;
xorriso->auto_close= 0;
ret= Xorriso_burn_track(xorriso, write_start_address, track_source, tsize,
flag);
xorriso->do_close= do_close_mem;
xorriso->auto_close= auto_close_mem;
return(ret);
}
/* @param write_start_address is valid if >=0
@param tsize is valid if >0
@param flag bit0= grow_overwriteable_iso
bit1= do_isosize
bit2= do_xa1 conversion
@return <=0 error , 1= success
2= failure with DVD-RW, please call Xorriso_retry_burn_track()
*/
int Xorriso_burn_track(struct XorrisO *xorriso, off_t write_start_address,
char *track_source, off_t tsize, int flag)
{
int ret, fd, profile_number, is_cd= 0, do_isosize, is_bd= 0, signal_mode;
off_t dummy, nwa= -1, isosize= -1;
struct burn_drive_info *dinfo;
struct burn_drive *drive;
struct burn_write_opts *burn_options= NULL;
struct burn_disc *disc= NULL;
struct burn_session *session= NULL;
struct burn_track *track= NULL;
struct stat stbuf;
off_t fixed_size= 0;
struct burn_source *data_src= NULL, *fifo_src= NULL;
enum burn_disc_status disc_state;
char *reasons= NULL, *profile_name= NULL;
char *head_buffer= NULL;
Xorriso_alloc_meM(reasons, char, BURN_REASONS_LEN);
Xorriso_alloc_meM(profile_name, char, 80);
Xorriso_alloc_meM(head_buffer, char, 64 * 1024);
ret= Xorriso_may_burn(xorriso, 0);
if(ret <= 0)
{ret= 0; goto ex;}
ret= Xorriso_auto_format(xorriso, 0);
if(ret <=0 )
{ret= 0; goto ex;}
do_isosize= !!(flag&2);
ret= Xorriso_get_drive_handles(xorriso, &dinfo, &drive,
"on attempt to burn track", 2);
if(ret<=0)
{ret= 0; goto ex;}
ret= Xorriso_check_multi(xorriso, drive, 1);
if(ret<=0)
goto ex;
ret= Xorriso_make_write_options(xorriso, drive, &burn_options, 0);
if(ret<=0)
goto ex;
disc= burn_disc_create();
session= burn_session_create();
ret= burn_disc_add_session(disc,session,BURN_POS_END);
if(ret==0) {
sprintf(xorriso->info_text, "Cannot add session object to disc object.");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FATAL", 0);
goto ex;
}
track= burn_track_create();
if(track_source[0] == '-' && track_source[1] == 0) {
fd= 0;
} else {
if(xorriso->fs >= 64)
fd= burn_os_open_track_src(track_source, O_RDONLY, 0);
else
fd= open(track_source, O_RDONLY | O_BINARY);
if(fd>=0)
if(fstat(fd,&stbuf)!=-1)
if((stbuf.st_mode&S_IFMT)==S_IFREG)
fixed_size= stbuf.st_size;
}
if(fd>=0)
data_src= burn_fd_source_new(fd, -1, fixed_size);
if(data_src==NULL) {
sprintf(xorriso->info_text, "Could not open data source ");
Text_shellsafe(track_source, xorriso->info_text, 1);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, errno, "FAILURE", 0);
ret= 0; goto ex;
}
if((do_isosize || xorriso->fs != 0) && xorriso->fs < 64)
xorriso->fs= 64;
if(xorriso->fs > 0) {
fifo_src= burn_fifo_source_new(data_src, 2048 + 8 * !!(flag & 4),
xorriso->fs, 1);
if(fifo_src == NULL) {
sprintf(xorriso->info_text, "Could not create fifo object of %.f MB",
((double) xorriso->fs) / 1024.0 / 1024.0);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FATAL", 0);
ret= 0; goto ex;
}
}
xorriso->pacifier_fifo= fifo_src;
if(burn_track_set_source(track, fifo_src == NULL ? data_src : fifo_src)
!= BURN_SOURCE_OK) {
sprintf(xorriso->info_text,
"Cannot attach source object to track object");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FATAL", 0);
ret= 0; goto ex;
}
burn_track_set_cdxa_conv(track, !!(flag & 4));
burn_session_add_track(session, track, BURN_POS_END);
burn_source_free(data_src);
if(flag&1)
/* consider overwriteables with ISO as appendable */
disc_state= isoburn_disc_get_status(drive);
else
/* handle overwriteables as always blank */
disc_state= burn_disc_get_status(drive);
if(disc_state == BURN_DISC_BLANK || disc_state == BURN_DISC_APPENDABLE) {
/* ok */;
} else {
if(disc_state == BURN_DISC_FULL) {
sprintf(xorriso->info_text,
"Closed media with data detected. Need blank or appendable media.");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
if(burn_disc_erasable(drive)) {
sprintf(xorriso->info_text, "Try -blank as_needed\n");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "HINT", 0);
}
} else if(disc_state == BURN_DISC_EMPTY) {
sprintf(xorriso->info_text, "No media detected in drive");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
} else {
sprintf(xorriso->info_text,
"Cannot recognize state of drive and media");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
}
ret= 0; goto ex;
}
if(isoburn_needs_emulation(drive))
burn_write_opts_set_multi(burn_options, 0);
if(tsize > 0) {
fixed_size= tsize;
burn_track_set_size(track, fixed_size);
}
if(do_isosize) {
ret= burn_fifo_peek_data(xorriso->pacifier_fifo, head_buffer, 64*1024, 0);
if(ret<=0) {
Xorriso_process_msg_queues(xorriso,0);
sprintf(xorriso->info_text,
"Cannot obtain first 64 kB from input stream.");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
ret= 0; goto ex;
}
/* read isosize from head_buffer, not from medium */
ret= isoburn_read_iso_head_v2(drive, 0, &isosize, head_buffer, (1 << 13));
if(ret<=0) {
Xorriso_process_msg_queues(xorriso,0);
sprintf(xorriso->info_text,
"Option -isosize given but data stream seems not to be ISO 9660");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
ret= 0; goto ex;
}
sprintf(xorriso->info_text, "Size of ISO 9660 image: %.fs",
(double) isosize);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
fixed_size= isosize * (off_t) 2048;
burn_track_set_size(track, fixed_size);
}
ret= Xorriso_get_profile(xorriso, &profile_number, profile_name, 2);
is_cd= (ret==2);
is_bd= (ret == 3);
if(isoburn_needs_emulation(drive)) {
if(flag&1) {
ret= isoburn_disc_track_lba_nwa_v2(drive, burn_options, 0, &dummy, &nwa);
Xorriso_process_msg_queues(xorriso,0);
if(ret<=0) {
sprintf(xorriso->info_text,
"Cannot obtain next writeable address of emulated multi-session media\n");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
ret= 0; goto ex;
}
if(nwa == 32 && disc_state != BURN_DISC_APPENDABLE)
nwa= 0; /* No automatic toc emulation. Formatter might not be aware. */
} else {
nwa= 0;
if (disc_state == BURN_DISC_APPENDABLE) {
ret= isoburn_disc_track_lba_nwa_v2(drive, burn_options, 0, &dummy,
&nwa);
Xorriso_process_msg_queues(xorriso,0);
if(ret<=0) {
sprintf(xorriso->info_text,
"Cannot obtain next writeable address of emulated appendable media\n");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
ret= 0; goto ex;
}
}
}
burn_write_opts_set_start_byte(burn_options, nwa * (off_t) 2048);
}
if(write_start_address>=0) {
nwa= write_start_address / (off_t) 2048;
if(nwa * (off_t) 2048 < write_start_address )
nwa++;
burn_write_opts_set_start_byte(burn_options, nwa * (off_t) 2048);
}
if(xorriso->do_tao) {
if (xorriso->do_tao > 0)
burn_write_opts_set_write_type(burn_options,
BURN_WRITE_TAO, BURN_BLOCK_MODE1);
else
burn_write_opts_set_write_type(burn_options,
BURN_WRITE_SAO, BURN_BLOCK_SAO);
ret = burn_precheck_write(burn_options, disc, reasons, 0);
if(ret<=0) {
sprintf(xorriso->info_text,
"Cannot set write type %s for this medium.\n",
xorriso->do_tao > 0 ? "TAO" : "SAO");
sprintf(xorriso->info_text+strlen(xorriso->info_text),
"Reasons given:\n%s", reasons);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
ret= 0; goto ex;
}
sprintf(xorriso->info_text, "Explicitly chosen write type: %s",
xorriso->do_tao > 0 ? "TAO" : "SAO");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "DEBUG", 0);
} else {
if(burn_write_opts_auto_write_type(burn_options, disc, reasons, 0) ==
BURN_WRITE_NONE) {
sprintf(xorriso->info_text,
"Failed to find a suitable write mode with this media.\n");
sprintf(xorriso->info_text+strlen(xorriso->info_text),
"Reasons given:\n%s", reasons);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
ret= 0; goto ex;
}
}
ret= Xorriso_sanitize_image_size(xorriso, drive, disc, burn_options, 2 | 4);
if(ret<=0)
goto ex;
sprintf(xorriso->info_text, "Beginning to write data track.\n");
Xorriso_info(xorriso,0);
/* Important: do not return until burn_is_aborting() was checked */
signal_mode= 1;
ret= burn_drive_get_drive_role(drive);
if(ret == 1)
signal_mode|= 2;
Xorriso_set_signal_handling(xorriso, signal_mode);
xorriso->run_state= 1; /* Indicate that burning has started */
burn_disc_write(burn_options, disc);
ret= Xorriso_pacifier_loop(xorriso, drive, 2 | (is_cd << 4) | (is_bd << 5));
if(burn_is_aborting(0))
Xorriso_abort(xorriso, 0); /* Never comes back */
Xorriso_set_signal_handling(xorriso, 0);
if(ret<=0)
goto ex;
if(!burn_drive_wrote_well(drive)) {
Xorriso_process_msg_queues(xorriso,0);
if(xorriso->auto_close && xorriso->do_close == 0) {
if(burn_drive_was_feat21_failure(drive)) {
sprintf(xorriso->info_text,
"libburn indicates failure with writing DVD-RW to appendable state.");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
/* Urge caller to call Xorriso_retry_burn_rack() */
ret= 2; goto ex;
}
}
sprintf(xorriso->info_text,
"libburn indicates failure with writing.");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
ret= 0; goto ex;
}
if(flag & 1) {
ret= Xorriso_update_iso_lba0(xorriso, nwa, isosize, head_buffer, NULL,
flag & 2);
if(ret <= 0)
goto ex;
}
sprintf(xorriso->info_text, "Writing to ");
Text_shellsafe(xorriso->outdev, xorriso->info_text, 1);
strcat(xorriso->info_text, " completed successfully.\n\n");
Xorriso_info(xorriso, 0);
ret= 1;
ex:;
Xorriso_process_msg_queues(xorriso,0);
if(disc!=NULL)
burn_disc_free(disc);
if(session != NULL)
burn_session_free(session);
if(track != NULL)
burn_track_free(track);
if(burn_options != NULL)
burn_write_opts_free(burn_options);
if(xorriso->pacifier_fifo!=NULL)
burn_source_free(xorriso->pacifier_fifo);
xorriso->pacifier_fifo= NULL;
xorriso->run_state= 0; /* Indicate that burning has ended */
Xorriso_free_meM(reasons);
Xorriso_free_meM(profile_name);
Xorriso_free_meM(head_buffer);
return(ret);
}
int Xorriso_relax_compliance(struct XorrisO *xorriso, char *mode,
int flag)
{
char *npt, *cpt;
int l, was, value, ret, endl;
struct isoburn_imgen_opts *opts= NULL;
char *msg= NULL;
char submode[41], *endpt;
off_t limit;
was= xorriso->relax_compliance;
npt= cpt= mode;
for(; npt!=NULL; cpt= npt+1) {
npt= strchr(cpt,':');
if(npt==NULL)
l= strlen(cpt);
else
l= npt-cpt;
if(l == 0)
continue;
if((l == 6 && strncmp(cpt, "strict", l) == 0) ||
(l == 5 && strncmp(cpt, "clear", l) == 0)) {
xorriso->relax_compliance= 0;
} else if(l == 7 && strncmp(cpt, "default", l) == 0) {
xorriso->relax_compliance= Xorriso_relax_compliance_defaulT;
} else if((l == 18 && strncmp(cpt, "untranslated_names", l) == 0) ||
(l == 21 && strncmp(cpt, "untranslated_names_on", l) == 0) ) {
xorriso->untranslated_name_len = -1;
} else if((l == 22 && strncmp(cpt, "untranslated_names_off", l) == 0)) {
xorriso->untranslated_name_len = 0;
} else if((l >= 22 && strncmp(cpt, "untranslated_name_len=", 22) == 0)) {
value= -1;
sscanf(cpt + 22, "%d", &value);
/* Let libisoburn check the value */
ret= isoburn_igopt_new(&opts, 0);
if(ret != 1)
return(-1);
ret= isoburn_igopt_set_untranslated_name_len(opts, value);
isoburn_igopt_destroy(&opts, 0);
if(ret <= 0) { /* Not a tasty value */
xorriso->relax_compliance= was;
return(0);
}
xorriso->untranslated_name_len = value;
} else if((l == 16 && strncmp(cpt, "allow_dir_id_ext", l) == 0) ||
(l == 19 && strncmp(cpt, "allow_dir_id_ext_on", l) == 0) ) {
xorriso->relax_compliance|= isoburn_igopt_allow_dir_id_ext;
xorriso->allow_dir_id_ext_dflt= 0;
} else if((l == 20 && strncmp(cpt, "allow_dir_id_ext_off", l) == 0)) {
xorriso->relax_compliance&= ~isoburn_igopt_allow_dir_id_ext;
xorriso->allow_dir_id_ext_dflt= 0;
} else if((l == 12 && strncmp(cpt, "omit_version", l) == 0) ||
(l == 15 && strncmp(cpt, "omit_version_on", l) == 0) ) {
xorriso->relax_compliance|= isoburn_igopt_omit_version_numbers;
} else if((l == 16 && strncmp(cpt, "omit_version_off", l) == 0)) {
xorriso->relax_compliance&= ~isoburn_igopt_omit_version_numbers;
} else if((l == 16 && strncmp(cpt, "only_iso_version", l) == 0) ||
(l == 19 && strncmp(cpt, "only_iso_version_on", l) == 0) ) {
xorriso->relax_compliance|= isoburn_igopt_only_iso_versions;
} else if((l == 20 && strncmp(cpt, "only_iso_version_off", l) == 0)) {
xorriso->relax_compliance&= ~isoburn_igopt_only_iso_versions;
} else if((l == 10 && strncmp(cpt, "deep_paths", l) == 0) ||
(l == 13 && strncmp(cpt, "deep_paths_on", l) == 0)) {
xorriso->relax_compliance|= isoburn_igopt_allow_deep_paths;
} else if(l == 14 && strncmp(cpt, "deep_paths_off", l) == 0) {
xorriso->relax_compliance&= ~isoburn_igopt_allow_deep_paths;
} else if((l == 10 && strncmp(cpt, "long_paths", l) == 0) ||
(l == 13 && strncmp(cpt, "long_paths_on", l) == 0) ) {
xorriso->relax_compliance|= isoburn_igopt_allow_longer_paths;
} else if(l == 14 && strncmp(cpt, "long_paths_off", l) == 0) {
xorriso->relax_compliance&= ~isoburn_igopt_allow_longer_paths;
} else if((l == 10 && strncmp(cpt, "long_names", l) == 0) ||
(l == 13 && strncmp(cpt, "long_names_on", l) == 0)) {
xorriso->relax_compliance|= isoburn_igopt_max_37_char_filenames;
} else if(l == 14 && strncmp(cpt, "long_names_off", l) == 0) {
xorriso->relax_compliance&= ~isoburn_igopt_max_37_char_filenames;
} else if((l == 13 && strncmp(cpt, "no_force_dots", l) == 0) ||
(l == 16 && strncmp(cpt, "no_force_dots_on", l) == 0)) {
xorriso->relax_compliance|= isoburn_igopt_no_force_dots;
} else if(l == 17 && strncmp(cpt, "no_force_dots_off", l) == 0) {
xorriso->relax_compliance&= ~isoburn_igopt_no_force_dots;
} else if((l == 15 && strncmp(cpt, "no_j_force_dots", l) == 0) ||
(l == 18 && strncmp(cpt, "no_j_force_dots_on", l) == 0)) {
xorriso->relax_compliance|= isoburn_igopt_no_j_force_dots;
} else if(l == 19 && strncmp(cpt, "no_j_force_dots_off", l) == 0) {
xorriso->relax_compliance&= ~isoburn_igopt_no_j_force_dots;
} else if((l == 9 && strncmp(cpt, "lowercase", l) == 0) ||
(l == 12 && strncmp(cpt, "lowercase_on", l) == 0)) {
xorriso->relax_compliance|= isoburn_igopt_allow_lowercase;
} else if(l == 13 && strncmp(cpt, "lowercase_off", l) == 0) {
xorriso->relax_compliance&= ~isoburn_igopt_allow_lowercase;
} else if((l == 10 && strncmp(cpt, "full_ascii", l) == 0) ||
(l == 13 && strncmp(cpt, "full_ascii_on", l) == 0)) {
xorriso->relax_compliance|= isoburn_igopt_allow_full_ascii;
} else if(l == 14 && strncmp(cpt, "full_ascii_off", l) == 0) {
xorriso->relax_compliance&= ~isoburn_igopt_allow_full_ascii;
} else if((l == 10 && strncmp(cpt, "7bit_ascii", l) == 0) ||
(l == 13 && strncmp(cpt, "7bit_ascii_on", l) == 0)) {
xorriso->relax_compliance|= isoburn_igopt_allow_7bit_ascii;
} else if(l == 14 && strncmp(cpt, "7bit_ascii_off", l) == 0) {
xorriso->relax_compliance&= ~isoburn_igopt_allow_7bit_ascii;
} else if((l == 17 && strncmp(cpt, "joliet_long_paths", l) == 0) ||
(l == 20 && strncmp(cpt, "joliet_long_paths_on", l) == 0)) {
xorriso->relax_compliance|= isoburn_igopt_joliet_longer_paths;
} else if(l == 21 && strncmp(cpt, "joliet_long_paths_off", l) == 0) {
xorriso->relax_compliance&= ~isoburn_igopt_joliet_longer_paths;
} else if((l == 17 && strncmp(cpt, "joliet_long_names", l) == 0) ||
(l == 20 && strncmp(cpt, "joliet_long_names_on", l) == 0)) {
xorriso->relax_compliance|= isoburn_igopt_joliet_long_names;
} else if(l == 21 && strncmp(cpt, "joliet_long_names_off", l) == 0) {
xorriso->relax_compliance&= ~isoburn_igopt_joliet_long_names;
} else if((l == 12 && strncmp(cpt, "joliet_utf16", l) == 0) ||
(l == 15 && strncmp(cpt, "joliet_utf16_on", l) == 0)) {
xorriso->relax_compliance|= isoburn_igopt_joliet_utf16;
} else if(l == 16 && strncmp(cpt, "joliet_utf16_off", l) == 0) {
xorriso->relax_compliance&= ~isoburn_igopt_joliet_utf16;
} else if((l == 10 && strncmp(cpt, "always_gmt", l) == 0) ||
(l == 13 && strncmp(cpt, "always_gmt_on", l) == 0)) {
xorriso->relax_compliance|= isoburn_igopt_always_gmt;
} else if(l == 14 && strncmp(cpt, "always_gmt_off", l) == 0) {
xorriso->relax_compliance&= ~isoburn_igopt_always_gmt;
} else if((l == 9 && strncmp(cpt, "rec_mtime", l) == 0) ||
(l == 12 && strncmp(cpt, "rec_mtime_on", l) == 0)) {
xorriso->relax_compliance|= (isoburn_igopt_dir_rec_mtime |
isoburn_igopt_joliet_rec_mtime |
isoburn_igopt_iso1999_rec_mtime);
} else if(l == 13 && strncmp(cpt, "rec_mtime_off", l) == 0) {
xorriso->relax_compliance&= ~(isoburn_igopt_dir_rec_mtime |
isoburn_igopt_joliet_rec_mtime |
isoburn_igopt_iso1999_rec_mtime);
} else if((l == 6 && strncmp(cpt, "old_rr", l) == 0) ||
(l == 9 && strncmp(cpt, "old_rr_on", l) == 0) ||
(l == 10 && strncmp(cpt, "new_rr_off", l) == 0)) {
xorriso->relax_compliance|=
isoburn_igopt_rrip_version_1_10 | isoburn_igopt_aaip_susp_1_10;
} else if((l == 10 && strncmp(cpt, "old_rr_off", l) == 0) ||
(l == 9 && strncmp(cpt, "new_rr_on", l) == 0) ||
(l == 6 && strncmp(cpt, "new_rr", l) == 0)) {
xorriso->relax_compliance&=
~(isoburn_igopt_rrip_version_1_10 | isoburn_igopt_aaip_susp_1_10);
} else if((l == 14 && strncmp(cpt, "aaip_susp_1_10", l) == 0) ||
(l == 17 && strncmp(cpt, "aaip_susp_1_10_on", l) == 0) ||
(l == 18 && strncmp(cpt, "aaip_susp_1_12_off", l) == 0)) {
xorriso->relax_compliance|= isoburn_igopt_aaip_susp_1_10;
} else if((l == 18 && strncmp(cpt, "aaip_susp_1_10_off", l) == 0) ||
(l == 17 && strncmp(cpt, "aaip_susp_1_12_on", l) == 0) ||
(l == 14 && strncmp(cpt, "aaip_susp_1_12", l) == 0)) {
xorriso->relax_compliance&= ~isoburn_igopt_aaip_susp_1_10;
} else if((l == 11 && strncmp(cpt, "no_emul_toc", l) == 0) ||
(l == 14 && strncmp(cpt, "no_emul_toc_on", l) == 0)) {
xorriso->no_emul_toc|= 1;
} else if((l == 15 && strncmp(cpt, "no_emul_toc_off", l) == 0) ||
(l == 8 && strncmp(cpt, "emul_toc", l) == 0)) {
xorriso->no_emul_toc&= ~1;
} else if((l == 13 && strncmp(cpt, "iso_9660_1999", l) == 0) ||
(l == 16 && strncmp(cpt, "iso_9660_1999_on", l) == 0)) {
xorriso->do_iso1999= 1;
} else if(l == 17 && strncmp(cpt, "iso_9660_1999_off", l) == 0) {
xorriso->do_iso1999= 0;
} else if((l >= 15 && strncmp(cpt, "iso_9660_level=", 15) == 0)) {
value= 0;
sscanf(cpt + 15, "%d", &value);
if(value == 1 || value == 2) {
limit= ((off_t) 4) * ((off_t) 1024*1024*1024) - ((off_t) 1);
xorriso->iso_level= value;
xorriso->iso_level_is_default= 0;
if(xorriso->file_size_limit > limit)
xorriso->file_size_limit= limit;
} else if(value == 3) {
xorriso->iso_level= value;
xorriso->iso_level_is_default= 0;
if(xorriso->file_size_limit < Xorriso_default_file_size_limiT)
xorriso->file_size_limit= Xorriso_default_file_size_limiT;
} else {
Xorriso_alloc_meM(msg, char, 160);
sprintf(msg,
"-compliance iso_9660_level=%d : Only 1, 2, or 3 are permissible",
value);
Xorriso_msgs_submit(xorriso, 0, msg, 0, "FAILURE", 0);
Xorriso_free_meM(msg);
msg= NULL;
xorriso->relax_compliance= was;
return(0);
}
} else if((l == 8 && strncmp(cpt, "iso_9660", l) == 0) ||
(l == 11 && strncmp(cpt, "iso_9660_on", l) == 0)) {
/* may have a meaning in future */;
} else if(l == 12 && strncmp(cpt, "iso_9660_off", l) == 0) {
/* may have a meaning in future */;
Xorriso_msgs_submit(xorriso, 0,
"-compliance -iso_9660_off : Cannot do anything else but ISO 9660",
0, "FAILURE", 0);
xorriso->relax_compliance= was;
return(0);
} else if((l == 9 && strncmp(cpt, "old_empty", l) == 0) ||
(l == 12 && strncmp(cpt, "old_empty_on", l) == 0)) {
xorriso->do_old_empty= 1;
} else if(l == 13 && strncmp(cpt, "old_empty_off", l) == 0) {
xorriso->do_old_empty= 0;
} else if(l >= 15 && strncmp(cpt, "max_ce_entries=", 15) == 0) {
value= 0;
sscanf(cpt + 15, "%d", &value);
if(value < 1 || value > 100000) {
if(msg == NULL)
Xorriso_alloc_meM(msg, char, 160);
sprintf(msg,
"-compliance max_ce_entries=%d : Permissible is 1 to 100000",
value);
Xorriso_msgs_submit(xorriso, 0, msg, 0, "FAILURE", 0);
xorriso->relax_compliance= was;
ret= 0; goto ex;
} else {
xorriso->max_ce_entries= value;
}
} else if(l >= 12 && strncmp(cpt, "max_ce_drop=", 12) == 0) {
endl= sizeof(submode) - 1;
endpt= strchr(cpt + 12, ':');
if(endpt != NULL)
if(endl > endpt - (cpt + 12))
endl= endpt - (cpt + 12);
strncpy(submode, cpt + 12, endl);
submode[endl]= 0;
if(strcmp(submode, "off") == 0) {
xorriso->max_ce_entries_flag&= ~15;
} else if(strcmp(submode, "xattr") == 0) {
xorriso->max_ce_entries_flag= (xorriso->max_ce_entries_flag & ~15) | 1;
} else if(strcmp(submode, "xattr_acl") == 0) {
xorriso->max_ce_entries_flag= (xorriso->max_ce_entries_flag & ~15) | 2;
} else {
sprintf(xorriso->info_text,
"-compliance: unknown mode in max_ce_drop='%s'", submode);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
ret= 0; goto ex;
}
} else {
if(l<SfileadrL)
sprintf(xorriso->info_text, "-compliance: unknown rule '%s'",
cpt);
else
sprintf(xorriso->info_text,
"-compliance: oversized rule parameter (%d)", l);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
xorriso->relax_compliance= was;
return(0);
}
}
return(1);
ex:;
Xorriso_free_meM(msg);
return(ret);
}
/* @return 1=ok 2=ok, is default setting */
int Xorriso_get_relax_text(struct XorrisO *xorriso, char mode[1024],
int flag)
{
int r, drop;
r= xorriso->relax_compliance;
if(r == 0) {
strcpy(mode, "strict");
return(1);
}
strcpy(mode, "clear");
sprintf(mode + strlen(mode), ":iso_9660_level=%d", xorriso->iso_level);
if(r & isoburn_igopt_allow_dir_id_ext)
strcat(mode, ":allow_dir_id_ext");
if(r & isoburn_igopt_omit_version_numbers)
strcat(mode, ":omit_version");
if(r & isoburn_igopt_only_iso_versions)
strcat(mode, ":only_iso_version");
if(r & isoburn_igopt_allow_deep_paths)
strcat(mode, ":deep_paths");
if(r & isoburn_igopt_allow_longer_paths)
strcat(mode, ":long_paths");
if(r & isoburn_igopt_max_37_char_filenames)
strcat(mode, ":long_names");
if(r & isoburn_igopt_no_force_dots)
strcat(mode, ":no_force_dots");
if(r & isoburn_igopt_no_j_force_dots)
strcat(mode, ":no_j_force_dots");
if(r & isoburn_igopt_allow_lowercase)
strcat(mode, ":lowercase");
if(r & isoburn_igopt_allow_full_ascii)
strcat(mode, ":full_ascii");
else if(r & isoburn_igopt_allow_7bit_ascii)
strcat(mode, ":7bit_ascii");
if(r & isoburn_igopt_joliet_longer_paths)
strcat(mode, ":joliet_long_paths");
if(r & isoburn_igopt_joliet_long_names)
strcat(mode, ":joliet_long_names");
if(r & isoburn_igopt_joliet_utf16)
strcat(mode, ":joliet_utf16");
if(r & isoburn_igopt_always_gmt)
strcat(mode, ":always_gmt");
if(r & isoburn_igopt_dir_rec_mtime)
strcat(mode, ":rec_mtime");
if(r & isoburn_igopt_rrip_version_1_10) {
strcat(mode, ":old_rr");
if(!(r & isoburn_igopt_aaip_susp_1_10))
strcat(mode, ":aaip_susp_1_10_off");
} else {
strcat(mode, ":new_rr");
if(r & isoburn_igopt_aaip_susp_1_10)
strcat(mode, ":aaip_susp_1_10");
}
if(xorriso->no_emul_toc & 1)
strcat(mode, ":no_emul_toc");
if(xorriso->untranslated_name_len != 0)
sprintf(mode + strlen(mode), ":untranslated_name_len=%d",
xorriso->untranslated_name_len);
if(xorriso->do_iso1999)
sprintf(mode + strlen(mode), ":iso_9660_1999");
if(xorriso->do_old_empty)
sprintf(mode + strlen(mode), ":old_empty");
sprintf(mode + strlen(mode), ":max_ce_entries=%u", xorriso->max_ce_entries);
drop= xorriso->max_ce_entries_flag & 15;
sprintf(mode + strlen(mode), ":max_ce_drop=%s",
drop == 0 ? "off" : drop == 1 ? "xattr" : "xattr_acl");
return(1 +
(r == Xorriso_relax_compliance_defaulT && !(xorriso->no_emul_toc & 1)
&& xorriso->untranslated_name_len == 0 && !xorriso->do_iso1999 &&
xorriso->iso_level == 3 && xorriso->max_ce_entries == 31 &&
drop == 2));
}
/* @param flag bit0= operating on newly attached boot image
*/
int Xorriso_set_isolinux_options(struct XorrisO *xorriso,
IsoImage *image, int flag)
{
int make_isohybrid_mbr= 0, ret, patch_table= 0, num_boots, i;
ElToritoBootImage *bootimg, **boots = NULL;
IsoFile *bootimg_node, **bootnodes = NULL;
ret= iso_image_get_boot_image(image, &bootimg, &bootimg_node, NULL);
Xorriso_process_msg_queues(xorriso,0);
if(ret != 1) {
sprintf(xorriso->info_text, "Programming error: No boot image available in Xorriso_set_isolinux_options()");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FATAL", 0);
ret= -1; goto ex;
}
ret= iso_image_get_all_boot_imgs(image, &num_boots, &boots, &bootnodes, 0);
Xorriso_process_msg_queues(xorriso,0);
if(ret != 1) {
Xorriso_report_iso_error(xorriso, "", ret, "Cannot inquire boot images", 0,
"FATAL", 1);
ret= -1; goto ex;
}
/* bit0 : 1=boot-info-table , bit2-7 : 1=EFI , 2=HFS+ , bit8 : 1=APM */
patch_table = xorriso->patch_isolinux_image & 0x3fd;
if((flag & 1) && num_boots > 1) {
ret= el_torito_set_isolinux_options(boots[num_boots - 1], patch_table, 0);
ret= (ret == 1); goto ex;
}
/* Handle patching of first attached boot image or of imported boot images
*/
for(i= 0; i < num_boots; i++) {
patch_table = xorriso->patch_isolinux_image & 0x3fd;
if(patch_table && !(flag & 1)) {
if(!el_torito_seems_boot_info_table(boots[i], 0))
patch_table&= ~1;
else if((xorriso->patch_isolinux_image & 2) &&
el_torito_get_boot_platform_id(boots[i]) == 0xef)
patch_table&= ~1;
}
if(i > 0 || xorriso->boot_image_isohybrid == 0) {
ret= el_torito_set_isolinux_options(boots[i], patch_table, 0);
if(ret != 1)
{ret= 0; goto ex;}
continue;
}
/* <<< From here on only with first boot image and
deprecated builtin isohybrid MBR */
if(xorriso->boot_image_isohybrid == 3) {
make_isohybrid_mbr= 1;
} else {
ret= Xorriso_is_isohybrid(xorriso, bootimg_node, 0);
if(ret < 0)
{ret= 0; goto ex;}
if(ret > 0)
make_isohybrid_mbr= 1;
}
if(xorriso->boot_image_isohybrid == 2 && !make_isohybrid_mbr) {
sprintf(xorriso->info_text,
"Isohybrid signature is demanded but not found in boot image file.");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
{ret= 0; goto ex;}
}
if(make_isohybrid_mbr) {
sprintf(xorriso->info_text, "Will write isohybrid MBR.");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
}
ret= el_torito_set_isolinux_options(bootimg,
patch_table | (make_isohybrid_mbr << 1),0);
if(ret != 1)
{ret= 0; goto ex;}
}
ex:
Xorriso_process_msg_queues(xorriso,0);
if(boots != NULL)
free(boots);
if(bootnodes != NULL)
free(bootnodes);
return(ret);
}
int Xorriso_overwrite_iso_head(struct XorrisO *xorriso,
struct burn_drive *drive, char *head_buffer,
off_t lba, int flag)
{
int ret;
off_t to_write;
to_write= 64 * 1024;
burn_drive_reset_simulate(drive, xorriso->do_dummy);
ret= burn_random_access_write(drive, lba * (off_t) 2048,
head_buffer, to_write, 1);
if(ret <= 0) {
Xorriso_process_msg_queues(xorriso, 0);
sprintf(xorriso->info_text,
"Cannot write new ISO image head to LBA %.f", (double) lba);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
return(0);
}
return(1);
}
/* @param flag bit0= insist on tag_type 4 (relocated superblock tag)
bit1= accept tag with ISO_MD5_AREA_CORRUPTED
*/
int Xorriso_find_sb_checksum(struct XorrisO *xorriso,
char *head_buffer, int *vd_end, int flag)
{
int i, tag_type, ret;
uint32_t pos, range_start, range_size, next_tag;
char md5[16];
*vd_end= 0;
/* Look for volume descriptor end */
for(i= 16; i < 32; i++)
if(((unsigned char *) head_buffer)[i * 2048] == 0xff &&
strncmp(head_buffer + i * 2048 + 1, "CD001", 5) == 0)
break;
/* Check whether the next one is a libisofs checksum tag */
if(i < 32) {
*vd_end= i;
i++;
ret= iso_util_decode_md5_tag(head_buffer + i * 2048, &tag_type, &pos,
&range_start, &range_size, &next_tag, md5, 0);
if(((unsigned int) ret) != ISO_MD5_AREA_CORRUPTED || !(flag & 2))
if(ret <= 0)
return(ret);
if((flag & 1) && tag_type != 4)
return(0); /* No other tag type is supposed to occur before type 4 */
}
return(i + 1);
}
/* @param field_head Example: " md5="
*/
int Xorriso__set_iso_check_tag_md5(char *tag_data, char *field_head,
void **ctx, int *field_end, int flag)
{
char md5_bin[16], m32, *cpt;
int i;
iso_md5_end(ctx, md5_bin);
cpt= strstr(tag_data, field_head);
if(cpt == NULL)
return(0);
cpt+= strlen(field_head);
m32= cpt[32];
for(i= 0; i < 16; i++)
sprintf(cpt + 2 * i, "%2.2x", ((unsigned char *) md5_bin)[i]);
cpt[32]= m32;
*field_end= (cpt - tag_data) + 32;
return(1);
}
int Xorriso_verify_sb_tag(struct XorrisO *xorriso, char *head_buffer,
int checksum_block, int flag)
{
int tag_type, ret;
uint32_t pos, range_start, range_size, next_tag;
char md5_rec[16], md5_comp[16];
void *ctx= NULL;
/* Obtain checksum */
iso_util_decode_md5_tag(head_buffer + checksum_block * 2048,
&tag_type, &pos, &range_start, &range_size,
&next_tag, md5_rec, 0);
/* Verify checksum */
ret= iso_md5_start(&ctx);
if(ret <= 0) {
Xorriso_process_msg_queues(xorriso,0);
Xorriso_no_malloc_memory(xorriso, NULL, 0);
return(0);
}
ret= iso_md5_compute(ctx, head_buffer, checksum_block * 2048);
iso_md5_end(&ctx, md5_comp);
if(ret <= 0) {
Xorriso_process_msg_queues(xorriso,0);
return(0);
}
if(iso_md5_match(md5_rec, md5_comp))
return(1);
Xorriso_msgs_submit(xorriso, 0,
"Superblock data do not match superblock checksum tag",
0, "WARNING", 0);
return(0);
}
int Xorriso_refresh_sb_tag(struct XorrisO *xorriso, char *head_buffer,
int checksum_block, int flag)
{
int ret, field_end;
char md5_bin[16];
void *ctx= NULL;
/* Recompute checksum and update found checksum tag */;
ret= iso_md5_start(&ctx);
if(ret <= 0) {
no_md5_ctx:;
Xorriso_process_msg_queues(xorriso,0);
Xorriso_no_malloc_memory(xorriso, NULL, 0);
return(0);
}
ret= iso_md5_compute(ctx, head_buffer, checksum_block * 2048);
if(ret <= 0) {
md5_comp_failed:;
iso_md5_end(&ctx, md5_bin);
return(0);
}
Xorriso__set_iso_check_tag_md5(head_buffer + checksum_block * 2048,
" md5=", &ctx, &field_end, 0);
if(ret <= 0)
return(2);
ret= iso_md5_start(&ctx);
if(ret <= 0)
goto no_md5_ctx;
ret= iso_md5_compute(ctx, head_buffer + checksum_block * 2048,
field_end);
if(ret <= 0)
goto md5_comp_failed;
Xorriso__set_iso_check_tag_md5(head_buffer + checksum_block * 2048,
" self=", &ctx, &field_end, 0);
return(1);
}
/*
@param flag bit0= obtain iso_lba from indev
bit1= head_buffer already contains a valid head
bit2= issue message about success
bit3= check whether source blocks are banned by in_sector_map
bit4= refresh relocated sb checksum tag
bit5= bit1 for Xorriso_find_sb_checksum:
accept tag with ISO_MD5_AREA_CORRUPTED
*/
int Xorriso_update_iso_lba0(struct XorrisO *xorriso,
off_t iso_lba, off_t isosize,
char *head_buffer, struct CheckmediajoB *job,
int flag)
{
int ret, i, checksum_block= -1, vd_end;
uint32_t full_size;
char *headpt;
struct burn_drive_info *dinfo;
struct burn_drive *drive = NULL;
off_t seek_ret, to_write;
ret= Xorriso_may_burn(xorriso, 0);
if(ret <= 0)
return(0);
if(flag & 1) {
ret= Xorriso_get_drive_handles(xorriso, &dinfo, &drive,
"on attempt to learn current session lba", 0);
if(ret<=0)
return(0);
ret= isoburn_disc_get_msc1_v2(drive, &iso_lba);
if(ret<=0)
return(0);
drive= NULL; /* indev will not be used furtherly */
}
if(job == NULL) {
ret= Xorriso_get_drive_handles(xorriso, &dinfo, &drive,
"on attempt to update at lba 0 to 31", 2);
if(ret<=0)
return(0);
}
if(iso_lba < 32)
return(2);
if(!(flag & 2)) {
/* head_buffer was not filled yet. Read it from output media. */
if(drive != NULL)
if(burn_drive_get_drive_role(drive) == 5) /* write-only */
return(2);
if(job != NULL && job->data_to_fd >= 0) {
if((flag & 8) && job->sector_map != NULL) {
ret= Sectorbitmap_bytes_are_set(job->sector_map,
iso_lba * (off_t) 2048,
(iso_lba + 32) * ((off_t) 2048) - (off_t) 1, 0);
if(ret <= 0) {
sprintf(xorriso->info_text,
"ISO image head at lba %.f is marked as invalid blocks in file copy",
(double) iso_lba);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, errno, "FAILURE",
0);
return(0);
}
}
seek_ret= lseek(job->data_to_fd, ((off_t) 2048) * iso_lba, SEEK_SET);
if(seek_ret == -1)
ret= 0;
else
ret= read(job->data_to_fd, head_buffer, 64 * 1024);
if(ret < 64 * 1024) {
Xorriso_process_msg_queues(xorriso,0);
sprintf(xorriso->info_text,
"Cannot read ISO image head from file copy");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, errno, "FAILURE",0);
return(0);
}
ret= isoburn_read_iso_head_v2(NULL, (off_t) 0, &isosize,
head_buffer, 1 << 13);
if(ret<=0) {
Xorriso_process_msg_queues(xorriso,0);
sprintf(xorriso->info_text,
"Alleged session start does not look like ISO 9660.");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, errno, "FAILURE",0);
return(0);
}
} else {
ret= 0;
if(drive != NULL)
ret= isoburn_read_iso_head_v2(drive, iso_lba, &isosize, head_buffer, 2);
if(ret<=0) {
Xorriso_process_msg_queues(xorriso,0);
sprintf(xorriso->info_text,
"Cannot read freshly written ISO image head");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
return(0);
}
}
}
/* patch ISO header */
if(iso_lba + isosize > (off_t) 0xffffffff) {
sprintf(xorriso->info_text,
"The total ISO filesystem size would exceed 8 TiB");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
return(0);
}
full_size= iso_lba + isosize;
headpt= head_buffer + 32*1024;
for(i=0;i<4;i++)
headpt[87-i]= headpt[80+i]= (full_size >> (8*i)) & 0xff;
/* >>> What about Joliet et.al. ? */;
if(flag & 16) {
/* Find relocated sb checksum tag */
ret= Xorriso_find_sb_checksum(xorriso, head_buffer, &vd_end,
1 | ((flag >> 4) & 2));
if(ret > 0) {
/* If it is recognizable then it matched in Xorriso_adjust_relocated_sb */
checksum_block= ret - 1;
ret= Xorriso_refresh_sb_tag(xorriso, head_buffer, checksum_block, 0);
if(ret <= 0)
return(0);
}
}
if(job != NULL) {
/* This is a check_media superblock relocation:
Invalidate eventual libisofs checksum tags.
Write only up to PVD end plus eventual invalidated tag.
*/
to_write= 2048 * 32;
ret= Xorriso_find_sb_checksum(xorriso, head_buffer, &i, ((flag >> 4) & 2));
if(ret > 0) {
if(!(flag & 16)) /* invalidate */
memset(head_buffer + (ret - 1) * 2048, 0, 8);
to_write= 2048 * ret;
} else if(i > 0) {
to_write= 2048 * (i + 1);
}
seek_ret= lseek(job->data_to_fd, (off_t) 0, SEEK_SET);
if(seek_ret == -1)
ret= 0;
else
ret= write(job->data_to_fd, head_buffer, to_write);
if(ret < to_write) {
Xorriso_process_msg_queues(xorriso,0);
sprintf(xorriso->info_text,
"Cannot write ISO image head to file copy");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, errno, "FAILURE",0);
return(0);
}
} else {
/* This is a regular superblock relocation. Write full 64 kB. */
ret= Xorriso_overwrite_iso_head(xorriso, drive, head_buffer, (off_t) 0, 0);
if(ret <= 0)
return(ret);
}
if(flag & 4) {
sprintf(xorriso->info_text,
"Overwrote LBA 0 to 31 by 64 KiB from LBA %.f", (double) iso_lba);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
}
return(1);
}
/* @return 1= ok, 0= no match, -1= MD5 computation error,
-2= MD5 clone or start error
*/
int Xorriso_migrate_checksum_tag(struct XorrisO *xorriso, char *buffer,
int buf_base, int start,
int checksum_block, char md5_rec[16],
void *ctx_unch, void *ctx_chng, int flag)
{
int ret, to_compute;
char *headpt, md5_clone[16];
void *ctx_clone= NULL;
int field_end;
/* Checksum both up to before checksum tag */
headpt= buffer + start * 2048;
to_compute= (checksum_block - start) * 2048;
if(to_compute > 0) {
ret= iso_md5_compute(ctx_unch, headpt, to_compute);
if(ret <= 0)
{ret= -1; goto ex;}
ret= iso_md5_compute(ctx_chng, headpt, to_compute);
if(ret <= 0)
{ret= -1; goto ex;}
}
/* Verify with unchanged checksum */
ret= iso_md5_clone(ctx_unch, &ctx_clone);
if(ret <= 0)
{ret= -2; goto ex;}
iso_md5_end(&ctx_clone, md5_clone);
if(!iso_md5_match(md5_rec, md5_clone))
{ret= 0; goto ex;}
/* Compute unchanged rest of block range */
headpt= buffer + checksum_block * 2048;
to_compute= 2048;
ret= iso_md5_compute(ctx_unch, headpt, to_compute);
if(ret <= 0)
{ret= -1; goto ex;}
/* Replace checksum in tag by changed checksum */
ret= iso_md5_clone(ctx_chng, &ctx_clone);
if(ret <= 0)
{ret= -2; goto ex;}
Xorriso__set_iso_check_tag_md5(headpt, " md5=", &ctx_clone, &field_end, 0);
/* Recompute and write self= checksum */
ret= iso_md5_start(&ctx_clone);
if(ret <= 0)
{ret= -2; goto ex;}
ret= iso_md5_compute(ctx_clone, headpt, field_end);
if(ret <= 0)
{ret= -1; goto ex;}
Xorriso__set_iso_check_tag_md5(headpt, " self=", &ctx_clone, &field_end, 0);
/* Add rest of head_buffer to changed checksum */
ret= iso_md5_compute(ctx_chng, headpt, to_compute);
if(ret <= 0)
{ret= -1; goto ex;}
ret= 1;
ex:;
if(ctx_clone != NULL)
iso_md5_end(&ctx_clone, md5_clone);
return(ret);
}
/* Verify and re-compute tree and session checksum tag */
int Xorriso_refresh_ts_tags(struct XorrisO *xorriso,
struct burn_drive *drive,
void *ctx_unch, void *ctx_chng,
off_t iso_lba, off_t session_size,
int checksum_block, int flag)
{
int i, ret, tag_type, look_for_tag, check_start, look_from_block, was_change;
off_t read_pos, to_read, data_count;
uint32_t pos, range_start, range_size, next_tag;
char md5_rec[16];
char *buf= NULL;
look_for_tag= 3; /* tree tag */
look_from_block= checksum_block + 1; /* first buffer is already partly done */
Xorriso_alloc_meM(buf, char, 32 * 2048);
for(read_pos= iso_lba; read_pos < iso_lba + session_size; read_pos+= 32) {
was_change= 0;
to_read= 32;
if(read_pos + to_read > iso_lba + session_size)
to_read= iso_lba + session_size - read_pos;
ret= burn_read_data(drive, read_pos * (off_t) 2048, buf,
to_read * (off_t) 2048, &data_count, 0);
if(ret <= 0)
{ret= 0; goto ex;}
check_start= look_from_block;
for(i= look_from_block; i < to_read; i++) {
/* Watch out for tag */
ret= iso_util_decode_md5_tag(buf + i * 2048,
&tag_type, &pos, &range_start, &range_size,
&next_tag, md5_rec, look_for_tag);
if(ret < 0 ) {
ret= 0; goto ex;
} else if(ret == 1) {
if(tag_type != look_for_tag) {
sprintf(xorriso->info_text,
"Encountered checksum tag type %d while looking for %d",
tag_type, look_for_tag);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "MISHAP", 0);
ret= 2; goto ex;
}
/* Checksum up to before tag, verify,
if match replace checksum and write */
ret= Xorriso_migrate_checksum_tag(xorriso, buf, read_pos, check_start,
i, md5_rec, ctx_unch, ctx_chng, 0);
if(ret == -2)
goto ex;
if(ret < 0)
{ret= 0; goto ex;}
if(ret == 0) {
sprintf(xorriso->info_text,
"Checksum tag MD5 mismatch in old session state");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "MISHAP", 0);
ret= 2; goto ex;
}
was_change= 1;
if(look_for_tag == 3) {
look_for_tag= 1; /* session tag */
} else {
look_for_tag= -1;
break;
}
check_start= i + 1;
}
}
look_from_block= 0; /* all following buffer need processing from start */
if(was_change) {
ret= burn_random_access_write(drive, (off_t) read_pos * (off_t) 2048,
buf, to_read * (off_t) 2048, 1);
if(ret <= 0) {
Xorriso_process_msg_queues(xorriso, 0);
sprintf(xorriso->info_text,
"Cannot write new checksum tag data to LBA %d", (int) read_pos);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
ret= 0; goto ex;
}
}
if(look_for_tag < 0)
{ret= 1; goto ex;}
/* Checksum what was not checksummed yet */
if(to_read - check_start > 0) {
ret= iso_md5_compute(ctx_unch, buf + 2048 * check_start,
(to_read - check_start) * 2048);
if(ret <= 0)
{ret= 0; goto ex;}
ret= iso_md5_compute(ctx_chng, buf + 2048 * check_start,
(to_read - check_start) * 2048);
if(ret <= 0)
{ret= 0; goto ex;}
}
}
ret= 1;
ex:;
Xorriso_free_meM(buf);
return(ret);
}
int Xorriso_adjust_session_size(struct XorrisO *xorriso,
struct burn_drive *drive,
char *head_buffer,
off_t iso_lba, off_t iso_size,
int checksum_block, off_t session_size,
int flag)
{
int i, ret, tag_type;
uint32_t pos, range_start, range_size, next_tag;
char *headpt, md5_unch[16], md5_chng[16], md5_clone[16], md5_rec[16];
void *ctx_unch= NULL, *ctx_chng= NULL, *ctx_clone= NULL;
if(checksum_block > 0) {
/* Obtain recorded superblock MD5 */
ret= iso_util_decode_md5_tag(head_buffer + checksum_block * 2048,
&tag_type, &pos, &range_start, &range_size,
&next_tag, md5_rec, 0);
if(ret <= 0 || tag_type != 2) {
sprintf(xorriso->info_text,
"Encountered checksum tag type %d while looking for 2", tag_type);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "MISHAP", 0);
checksum_block= 0;
}
}
if(checksum_block > 0) {
/* Create md5 context for unchanged state */
ret= iso_md5_start(&ctx_unch);
if(ret <= 0) {
no_ctx:;
Xorriso_process_msg_queues(xorriso, 0);
Xorriso_no_malloc_memory(xorriso, NULL, 0);
goto ex;
}
/* Checksum up to before PVD */
ret= iso_md5_compute(ctx_unch, head_buffer, 32768);
if(ret <= 0)
goto ex;
/* Before the first change: obtain md5 object for changed state */
ret= iso_md5_clone(ctx_unch, &ctx_chng);
if(ret <= 0)
goto no_ctx;
/* Add PVD to unchanged checksum */
ret= iso_md5_compute(ctx_unch, head_buffer + 32768, 2048);
if(ret <= 0)
goto ex;
}
/* Update session PVD at iso_lba+16 to iso_size */
headpt= head_buffer + 32 * 1024;
if(iso_size > (off_t) 0xffffffff) {
sprintf(xorriso->info_text, "The total ISO filesystem size exceeds 8 TiB");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
ret= 0; goto ex;
}
for(i= 0; i < 4; i++)
headpt[87 - i]= headpt[80 + i]= (iso_size >> (8 * i)) & 0xff;
if(checksum_block > 0) {
/* Add changed PVD to changed checksum */
ret= iso_md5_compute(ctx_chng, head_buffer + 32768, 2048);
if(ret <= 0)
goto ex;
ret= Xorriso_migrate_checksum_tag(xorriso, head_buffer, (int) iso_lba, 17,
checksum_block, md5_rec,
ctx_unch, ctx_chng, 0);
if(ret == -2)
goto no_ctx;
if(ret < 0)
{ret= 0; goto ex;}
if(ret == 0) {
sprintf(xorriso->info_text,
"Superblock MD5 mismatch in old session state");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "MISHAP", 0);
checksum_block= 0;
}
}
ret= Xorriso_overwrite_iso_head(xorriso, drive, head_buffer, iso_lba, 0);
if(ret <= 0)
goto ex;
if(checksum_block > 0) {
/* Verify and re-compute existing checksum tree and session tag */
ret= Xorriso_refresh_ts_tags(xorriso, drive, ctx_unch, ctx_chng,
iso_lba, session_size, checksum_block, 0);
if(ret == -2)
goto no_ctx;
if(ret <= 0)
goto ex;
}
ret= 1;
ex:;
Xorriso_process_msg_queues(xorriso, 0);
if(ctx_unch != NULL)
iso_md5_end(&ctx_unch, md5_unch);
if(ctx_chng != NULL)
iso_md5_end(&ctx_chng, md5_chng);
if(ctx_clone != NULL)
iso_md5_end(&ctx_clone, md5_clone);
return(ret);
}
/* Read relocated superblock and patch in the VDs of the session superblock */
int Xorriso_adjust_relocated_sb(struct XorrisO *xorriso,
struct burn_drive *drive,
char *head_buffer,
char **sb_buffer,
int flag)
{
int ret, i, vd_end, checksum_block= -1;
off_t old_size;
char *buffer, *checksum= NULL;
*sb_buffer= NULL;
Xorriso_alloc_meM(*sb_buffer, char, 32 * 2048);
buffer= *sb_buffer;
Xorriso_alloc_meM(checksum, char, 2048);
ret= isoburn_read_iso_head_v2(drive, 0, &old_size, buffer, 2);
if(ret <= 0)
goto ex;
ret= Xorriso_find_sb_checksum(xorriso, buffer, &vd_end, 0);
if(ret < 0)
goto ex;
if(ret > 0) {
checksum_block= ret - 1;
memcpy(checksum, buffer + checksum_block * 2048, 2048);
ret= Xorriso_verify_sb_tag(xorriso, buffer, checksum_block, 0);
if(ret <= 0) {
checksum_block= -1;
memset(checksum, 0, 8);
}
}
for(i= 16; i < 32; i++) {
memcpy(buffer + i * 2048, head_buffer + i * 2048, 2048);
if(((unsigned char *) head_buffer)[i * 2048] == 0xff &&
strncmp(head_buffer + i * 2048 + 1, "CD001", 5) == 0) {
i++;
break;
}
}
if(checksum_block >= 0 && i < 32)
memcpy(buffer + i * 2048, checksum, 2048);
ret= 1;
ex:
if(ret <= 0)
Xorriso_free_meM(*sb_buffer);
Xorriso_free_meM(checksum);
return(ret);
}
int Xorriso_truncate_overwritable(struct XorrisO *xorriso, char *adr_mode,
char *adr_value, char *adjust, int flag)
{
int ret, iso_session, iso_track, image_start_mode= 0;
int was_indev= 0, checksum_block= 0, vd_end, headless_mode= 0, i;
int params_flag;
off_t iso_lba= 0, iso_size= 0, old_size, new_size, blocks, readable_blocks;
char image_start_value[81], *head_buffer= NULL, iso_volid[33];
char *sb_buffer= NULL, *checksum_pt, *adr_data= NULL;
struct burn_drive_info *dinfo;
struct burn_drive *drive = NULL, *in_drive = NULL;
struct burn_multi_caps *caps= NULL;
Xorriso_alloc_meM(head_buffer, char, 32 * 2048);
Xorriso_alloc_meM(adr_data, char, 163);
if(Xorriso_change_is_pending(xorriso, 0)) {
sprintf(xorriso->info_text,
"-truncate_overwritable: Image changes pending. -commit or -rollback first");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
ret= 0; goto ex;
}
ret= Xorriso_may_burn(xorriso, 0);
if(ret <= 0)
goto ex;
ret= Xorriso_get_drive_handles(xorriso, &dinfo, &drive,
"on attempt to activate an older session", 2);
if(ret <= 0)
goto ex;
/* Is it overwritable ? */
ret= burn_disc_get_multi_caps(drive, BURN_WRITE_NONE, &caps, 0);
if(ret > 0) {
if(caps->start_adr == 0)
ret= 0;
}
if(ret <= 0) {
sprintf(xorriso->info_text,
"-truncate_overwritable: Loaded medium is not random-access overwritable");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
goto ex;
}
ret= Xorriso_reassure(xorriso, "-truncate_overwritable",
"activates an older session and destroys newer ones", 0);
if(ret <= 0)
{ret= 2; goto ex;}
/* Learn old size */
ret= isoburn_read_iso_head_v2(drive, 0, &old_size, iso_volid, 0);
if(ret <= 0) {
sprintf(xorriso->info_text,
"-truncate_overwritable: Cannot read ISO 9660 Volume Descriptor from LBA 0");
if((strcmp(adr_mode, "lba") == 0 || strcmp(adr_mode, "sbsector") == 0)
&& strcmp(adjust, "new") == 0) {
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "WARNING", 0);
ret= burn_get_read_capacity_v2(drive, &old_size, 0);
if(ret <= 0)
goto ex;
headless_mode= 1;
} else {
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
goto ex;
}
}
if(headless_mode) {
iso_lba= Scanf_io_size(adr_value, 0);
ret= isoburn_read_iso_head_v2(drive, iso_lba, &new_size, head_buffer,
2 | (1 << 12));
if(ret <= 0)
goto not_iso_9660;
} else {
/* Check for PVD at image_start_value and learn new size */
ret= Xorriso_decode_load_adr(xorriso, "-truncate_overwritable",
adr_mode, adr_value, &image_start_mode,
image_start_value, 0);
if(ret <= 0)
goto ex;
ret= Xorriso_prepare_load_search(xorriso, "-truncate_overwritable",
image_start_mode, image_start_value,
adr_data, &params_flag, 0);
if(ret <= 0)
goto ex;
ret= isoburn_get_mount_params_v2(drive, image_start_mode, adr_data,
&iso_lba, &iso_track, &iso_session,
iso_volid, params_flag);
if(ret <= 0)
goto ex;
if(ret != 1) {
not_iso_9660:;
sprintf(xorriso->info_text,
"-truncate_overwritable: Given address does not lead to ISO 9660 Volume Descriptor");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
ret= 0; goto ex;
}
if(iso_lba >= old_size) {
sprintf(xorriso->info_text,
"-truncate_overwritable: Given address is larger than current ISO size");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
ret= 0; goto ex;
}
ret= isoburn_read_iso_head_v2(drive, iso_lba, &new_size, head_buffer, 2);
if(ret <= 0)
goto ex;
}
ret= Xorriso_find_sb_checksum(xorriso, head_buffer, &vd_end, 0);
if(ret > 0)
checksum_block= ret - 1;
/* Default is "new" */
iso_size= new_size;
if(strcmp(adjust, "old") == 0) {
/* ISO size before truncation */
iso_size= old_size - iso_lba;
} else if(adjust[0] == '+') {
/* Add-on size to new */
blocks= Scanf_io_size(adjust + 1, 0) / 2048;
if(blocks < 0)
goto wrong_adjust;
iso_size+= blocks;
} else if(adjust[0] >= '0' && adjust[0] <= '9') {
/* Add-on size to new */
blocks= Scanf_io_size(adjust, 0) / 2048;
if(blocks < iso_lba + iso_size) {
wrong_adjust:;
sprintf(xorriso->info_text,
"-truncate_overwritable: Given total filesystem size is smaller than new session size");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
ret= 0; goto ex;
}
iso_size= blocks - iso_lba;
}
ret= burn_get_read_capacity_v2(drive, &readable_blocks, 0);
Xorriso_process_msg_queues(xorriso, 0);
if(ret > 0) {
if(iso_lba + iso_size > readable_blocks) {
sprintf(xorriso->info_text, "-truncate_overwritable: Given total filesystem size is larger than formatted medium size");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
ret= 0; goto ex;
}
}
/* Give up possible input drive */
ret= Xorriso_get_drive_handles(xorriso, &dinfo, &in_drive, "", 16);
if(ret < 0)
goto ex;
if(ret == 1) {
ret= Xorriso_give_up_drive(xorriso, 1);
if(ret<=0)
goto ex;
was_indev= 1;
}
if(iso_size != new_size) {
ret=Xorriso_adjust_session_size(xorriso, drive, head_buffer,
iso_lba, iso_size,
checksum_block, new_size, 0);
if(ret <= 0)
goto ex;
}
/* Load first 64 kB and transfer VDs from head_buffer */
if(headless_mode) {
Xorriso_alloc_meM(sb_buffer, char, 32 * 2048);
memcpy(sb_buffer, head_buffer, 32 * 2048);
for(i= 17; i < 32; i++)
if(strncmp(sb_buffer + i * 2048, "libisofs_sb_checksum_tag_v1", 27) == 0)
break;
if(i < 32) {
/* Convert superblock tag to provisory relocated superblock tag */
checksum_pt= sb_buffer + i * 2048;
memset(checksum_pt, 0, 2048);
sprintf(checksum_pt,
"libisofs_rlsb32_checksum_tag_v1 pos=%d range_start=0 range_size=%d",
i, i);
sprintf(checksum_pt + strlen(checksum_pt),
" session_start=%.f md5=0123456789abcdef0123456789abcdef self=0123456789abcdef0123456789abcdef\n",
(double) iso_lba);
}
} else {
ret= Xorriso_adjust_relocated_sb(xorriso, drive, head_buffer, &sb_buffer,
0);
if(ret <= 0)
goto ex;
}
/* Patch the size and write back */
ret= Xorriso_update_iso_lba0(xorriso, iso_lba, iso_size, sb_buffer,
NULL, 2 | 16 | ((!!headless_mode) << 5));
if(ret <= 0)
goto ex;
ret= Xorriso_reaquire_outdev(xorriso, 2 + was_indev);
if(ret <= 0)
goto ex;
ret= 1;
ex:
if(caps!=NULL)
burn_disc_free_multi_caps(&caps);
Xorriso_free_meM(adr_data);
Xorriso_free_meM(head_buffer);
Xorriso_free_meM(sb_buffer);
Xorriso_process_msg_queues(xorriso,0);
return(ret);
}
int Xorriso_set_system_area_path(struct XorrisO *xorriso, char *path, int flag)
{
int ret;
char *eff_src= NULL, *intvl;
struct iso_interval_reader *ivr= NULL;
off_t byte_count;
IsoImage *img= NULL;
struct burn_drive_info *source_dinfo;
struct burn_drive *source_drive;
if(path[0] == 0) {
xorriso->system_area_disk_path[0]= 0;
{ret= 1; goto ex;}
}
Xorriso_alloc_meM(eff_src, char, SfileadrL);
intvl = path;
ret = Xorriso_check_intvl_string(xorriso, &intvl, 0);
if(ret > 0) {
/* Check for syntactical correctness */
if(xorriso->in_drive_handle != NULL) {
ret= Xorriso_get_drive_handles(xorriso, &source_dinfo, &source_drive,
"on attempt to verify interval reader string", 0);
if(ret<=0)
goto ex;
img= isoburn_get_attached_image(source_drive);
}
ret= iso_interval_reader_new(img, intvl, &ivr, &byte_count, 1);
Xorriso_process_msg_queues(xorriso, 0);
if(ret < 0) {
sprintf(xorriso->info_text,
"Given path for system area is not accepted by interval reader");
Text_shellsafe(eff_src, xorriso->info_text, 1);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
{ret= 0; goto ex;}
}
iso_interval_reader_destroy(&ivr, 0);
ret= Sfile_str(xorriso->system_area_disk_path, path, 0);
if(ret <= 0)
{ret= -1; goto ex;}
ret= 1; goto ex;
}
ret= Xorriso_normalize_img_path(xorriso, xorriso->wdx, path, eff_src, 2|4|16);
if(ret < 0)
goto ex;
if(ret == 0) {
sprintf(xorriso->info_text,
"Given path does not exist on disk: -boot_image system_area=");
Text_shellsafe(eff_src, xorriso->info_text, 1);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
}
if(ret == 2) {
sprintf(xorriso->info_text,
"Given path leads to a directory: -boot_image system_area=");
Text_shellsafe(eff_src, xorriso->info_text, 1);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
{ret= 0; goto ex;}
}
ret= Sfile_str(xorriso->system_area_disk_path, eff_src, 0);
if(ret <= 0)
{ret= -1; goto ex;}
ret= 1;
ex:
Xorriso_free_meM(eff_src);
if(img != NULL)
iso_image_unref(img);
return(ret);
}
/* @param flag bit0=force burn_disc_close_damaged()
*/
int Xorriso_close_damaged(struct XorrisO *xorriso, int flag)
{
int ret;
struct burn_drive_info *dinfo;
struct burn_drive *drive;
struct burn_write_opts *burn_options= NULL;
if(Xorriso_change_is_pending(xorriso, 0)) {
sprintf(xorriso->info_text,
"Image changes pending. -commit or -rollback first");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
ret= 0; goto ex;
}
ret= Xorriso_get_drive_handles(xorriso, &dinfo, &drive,
"on attempt to close damaged session", 2);
if(ret<=0)
goto ex;
ret= Xorriso_check_multi(xorriso, drive, 0);
if(ret<=0)
goto ex;
ret= Xorriso_make_write_options(xorriso, drive, &burn_options, 0);
if(ret <= 0)
goto ex;
ret= burn_disc_close_damaged(burn_options, flag & 1);
Xorriso_process_msg_queues(xorriso, 0);
Xorriso_option_dev(xorriso, "", 3 | 4); /* Give up drives */
if(ret <= 0)
goto ex;
ret= 1;
ex:;
Xorriso_process_msg_queues(xorriso, 0);
if(burn_options != NULL)
burn_write_opts_free(burn_options);
return(ret);
}
/* @param flag bit0= no error message
*/
int Xorriso_parse_guid(struct XorrisO *xorriso, char *text,
uint8_t guid[16], int flag)
{
int bin_count= 0, ret;
uint8_t u[16], tr;
/* Try RFC 4122 : big endian XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
Translate to UEFI: first three components to little-endian
*/
if(strlen(text) == 36) {
if(text[8] == '-' && text[13] == '-' && text[18] == '-' && text[23] == '-'){
ret= Hex_to_bin(text, 4, &bin_count, u, 0);
if(ret < 0 || bin_count != 4)
goto malformed;
tr= u[0]; u[0]= u[3]; u[3]= tr;
tr= u[1]; u[1]= u[2]; u[2]= tr;
ret= Hex_to_bin(text + 9, 2, &bin_count, u + 4, 0);
if(ret < 0 || bin_count != 2)
goto malformed;
tr= u[4]; u[4]= u[5]; u[5]= tr;
ret= Hex_to_bin(text + 14, 2, &bin_count, u + 6, 0);
if(ret < 0 || bin_count != 2)
goto malformed;
tr= u[6]; u[6]= u[7]; u[7]= tr;
ret= Hex_to_bin(text + 19, 2, &bin_count, u + 8, 0);
if(ret < 0 || bin_count != 2)
goto malformed;
ret= Hex_to_bin(text + 24, 6, &bin_count, u + 10, 0);
if(ret < 0 || bin_count != 6)
goto malformed;
memcpy(guid, u, 16);
return(1);
}
}
if(strlen(text) == 32) {
ret= Hex_to_bin(text, 16, &bin_count, u, 0);
if(ret < 0 || bin_count != 16)
goto malformed;
memcpy(guid, u, 16);
return(1);
}
malformed:;
if(!(flag & 1)) {
sprintf(xorriso->info_text, "Malformed GUID string: ");
Text_shellsafe(text, xorriso->info_text, 1);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
}
return(0);
}
int Xorriso_parse_gpt_guid(struct XorrisO *xorriso, char *text, int flag)
{
int ret;
if(strcmp(text, "random") == 0) {
xorriso->gpt_guid_mode= 0;
return(1);
}
if(strcmp(text, "modification-date") == 0 ||
strcmp(text, "volume_date_uuid") == 0) {
xorriso->gpt_guid_mode= 2;
return(1);
}
ret= Xorriso_parse_guid(xorriso, text, xorriso->gpt_guid, 0);
if(ret <= 0)
return(ret);
xorriso->gpt_guid_mode= 1;
return(1);
}
/* @return Tells the recognition status
0= not recognized as GUID
1= non-EFI type GUID
2= EFI type GUID
*/
int Xorriso_parse_type_guid(struct XorrisO *xorriso, char *text,
uint8_t guid[16], int *mbr_type, int flag)
{
int j, ret;
static uint8_t efi_sys_uuid[16] = {
0x28, 0x73, 0x2a, 0xc1, 0x1f, 0xf8, 0xd2, 0x11,
0xba, 0x4b, 0x00, 0xa0, 0xc9, 0x3e, 0xc9, 0x3b
};
ret= Xorriso_parse_guid(xorriso, text, guid, 1);
if(ret > 0) {
for(j= 0; j < 16; j++)
if(guid[j] != efi_sys_uuid[j])
break;
if(j >= 16) {
*mbr_type= 0xef;
return(2);
} else {
*mbr_type= 0x83;
return(1);
}
}
return(0);
}
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