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libisoburn/xorriso/xorrisoburn.c

13013 lines
403 KiB

/* Adapter to libisoburn, libisofs and libburn for xorriso,
a command line oriented batch and dialog tool which creates, loads,
manipulates and burns ISO 9660 filesystem images.
Copyright 2007-2010 Thomas Schmitt, <scdbackup@gmx.net>
Provided under GPL version 2.
*/
#include <ctype.h>
#include <sys/types.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <sys/stat.h>
#include <time.h>
#include <fcntl.h>
#include <utime.h>
#include <sys/wait.h>
#include <pwd.h>
#include <grp.h>
/* for -charset */
#include <iconv.h>
#include <langinfo.h>
/* ------------------------------------------------------------------------ */
#ifndef Xorriso_standalonE
/* The library which does the ISO 9660 / RockRidge manipulations */
#include <libisofs/libisofs.h>
/* The library which does MMC optical drive operations */
#include <libburn/libburn.h>
/* The library which enhances overwriteable media with ISO 9660 multi-session
capabilities via the method invented by Andy Polyakov for growisofs */
#include <libisoburn/libisoburn.h>
/* The official xorriso options API. "No shortcuts" */
#include "xorriso.h"
/* The inner description of XorrisO */
#include "xorriso_private.h"
/* The inner isofs- and burn-library interface */
#include "xorrisoburn.h"
#else /* ! Xorriso_standalonE */
#include "../libisofs/libisofs.h"
#include "../libburn/libburn.h"
#include "../libisoburn/libisoburn.h"
#include "xorriso.h"
#include "xorriso_private.h"
#include "xorrisoburn.h"
#endif /* Xorriso_standalonE */
/* Some private in advance declarations */
int Xorriso_pacifier_loop(struct XorrisO *xorriso, struct burn_drive *drive,
int flag);
int Xorriso__read_pacifier(IsoImage *image, IsoFileSource *filesource);
int Xorriso_tree_graft_node(struct XorrisO *xorriso, IsoImage *volume,
IsoDir *dir, char *disk_path, char *img_name,
char *nominal_source, char *nominal_target,
off_t offset, off_t cut_size,
IsoNode **node, int flag);
int Xorriso_findi_iter(struct XorrisO *xorriso, IsoDir *dir_node, off_t *mem,
IsoDirIter **iter,
IsoNode ***node_array, int *node_count, int *node_idx,
IsoNode **iterated_node, int flag);
int Xorriso__file_start_lba(IsoNode *node, int *lba, int flag);
int Xorriso_read_file_data(struct XorrisO *xorriso, IsoNode *node,
char *img_path, char *disk_path,
off_t img_offset, off_t disk_offset,
off_t bytes, int flag);
int Xorriso_path_from_node(struct XorrisO *xorriso, IsoNode *in_node,
char path[SfileadrL], int flag);
int Xorriso_node_from_path(struct XorrisO *xorriso, IsoImage *volume,
char *path, IsoNode **node, int flag);
int Xorriso_path_from_lba(struct XorrisO *xorriso, IsoNode *node, int lba,
char path[SfileadrL], int flag);
int Xorriso__node_lba_cmp(const void *node1, const void *node2);
int Xorriso_search_hardlinks(struct XorrisO *xorriso, IsoNode *node,
int *node_idx, int *min_hl, int *max_hl, int flag);
#define LIBISO_ISDIR(node) (iso_node_get_type(node) == LIBISO_DIR)
#define LIBISO_ISREG(node) (iso_node_get_type(node) == LIBISO_FILE)
#define LIBISO_ISLNK(node) (iso_node_get_type(node) == LIBISO_SYMLINK)
#define LIBISO_ISCHR(node) (iso_node_get_type(node) == LIBISO_SPECIAL && \
S_ISCHR(iso_node_get_mode(node)))
#define LIBISO_ISBLK(node) (iso_node_get_type(node) == LIBISO_SPECIAL && \
S_ISBLK(iso_node_get_mode(node)))
#define LIBISO_ISFIFO(node) (iso_node_get_type(node) == LIBISO_SPECIAL && \
S_ISFIFO(iso_node_get_mode(node)))
#define LIBISO_ISSOCK(node) (iso_node_get_type(node) == LIBISO_SPECIAL && \
S_ISSOCK(iso_node_get_mode(node)))
#define LIBISO_ISBOOT(node) (iso_node_get_type(node) == LIBISO_BOOT)
/* CD specs say one shall not write tracks < 600 kiB */
#define Xorriso_cd_min_track_sizE 300
/* Default setting for -compliance */
#define Xorriso_relax_compliance_defaulT \
(isoburn_igopt_allow_deep_paths | isoburn_igopt_allow_longer_paths | \
isoburn_igopt_always_gmt | \
isoburn_igopt_rrip_version_1_10 | isoburn_igopt_aaip_susp_1_10 )
#ifdef NIX
/* <<< */
unsigned long Xorriso_get_di_counteR= 0;
#endif /* NIX */
/* ------------------------------------------------------------------------ */
static const char *un0(const char *text)
{
if(text == NULL)
return("");
return(text);
}
int Xorriso_destroy_node_array(struct XorrisO *xorriso, int flag)
{
int i;
if(xorriso->node_array != NULL) {
for(i= 0; i < xorriso->node_counter; i++)
iso_node_unref((IsoNode *) xorriso->node_array[i]);
free(xorriso->node_array);
}
xorriso->node_array= NULL;
xorriso->node_counter= xorriso->node_array_size= 0;
Xorriso_lst_destroy_all(&(xorriso->node_disk_prefixes), 0);
Xorriso_lst_destroy_all(&(xorriso->node_img_prefixes), 0);
return(1);
}
/* @param flag bit0= do not destroy hln_array but only hln_targets
*/
int Xorriso_destroy_hln_array(struct XorrisO *xorriso, int flag)
{
int i;
if(xorriso->hln_array != NULL && !(flag & 1)) {
for(i= 0; i < xorriso->hln_count; i++)
iso_node_unref((IsoNode *) xorriso->hln_array[i]);
free(xorriso->hln_array);
xorriso->hln_array= NULL;
xorriso->hln_count= 0;
}
if(xorriso->hln_targets != NULL) {
for(i= 0; i < xorriso->hln_count; i++)
if(xorriso->hln_targets[i] != NULL)
free(xorriso->hln_targets[i]);
free(xorriso->hln_targets);
xorriso->hln_targets= NULL;
}
xorriso->node_targets_availmem= 0;
return(1);
}
int Xorriso_destroy_di_array(struct XorrisO *xorriso, int flag)
{
int i;
if(xorriso->di_array != NULL) {
for(i= 0; i < xorriso->di_count; i++)
if(xorriso->di_array[i] != NULL)
iso_node_unref((IsoNode *) xorriso->di_array[i]);
free(xorriso->di_array);
xorriso->di_array= NULL;
}
if(xorriso->di_do_widen != NULL) {
free(xorriso->di_do_widen);
xorriso->di_do_widen= NULL;
}
Xorriso_lst_destroy_all(&(xorriso->di_disk_paths), 0);
Xorriso_lst_destroy_all(&(xorriso->di_iso_paths), 0);
xorriso->di_count= 0;
#ifdef NIX
/* <<< */
fprintf(stderr, "xorriso_DEBUG: get_di_count= %lu\n",
Xorriso_get_di_counteR);
#endif /* NIX */
return(1);
}
int Xorriso_new_node_array(struct XorrisO *xorriso, off_t mem_limit,
int addon_nodes, int flag)
{
int i;
if(xorriso->node_counter <= 0)
return(1);
xorriso->node_array= calloc(xorriso->node_counter + addon_nodes,
sizeof(IsoNode *));
if(xorriso->node_array == NULL) {
Xorriso_no_malloc_memory(xorriso, NULL, 0);
return(-1);
}
for(i= 0; i < xorriso->node_counter + addon_nodes; i++)
xorriso->node_array[i]= NULL;
xorriso->node_array_size= xorriso->node_counter + addon_nodes;
xorriso->node_counter= 0;
return(1);
}
/* @param flag bit0= do not allocate hln_array but only hln_targets
*/
int Xorriso_new_hln_array(struct XorrisO *xorriso, off_t mem_limit, int flag)
{
int i;
Xorriso_destroy_hln_array(xorriso, flag & 1);
if(xorriso->hln_count <= 0)
return(1);
if(!(flag & 1)) {
xorriso->hln_array= calloc(xorriso->hln_count, sizeof(char *));
if(xorriso->hln_array == NULL) {
Xorriso_no_malloc_memory(xorriso, NULL, 0);
return(-1);
}
for(i= 0; i < xorriso->hln_count; i++)
xorriso->hln_array[i]= NULL;
}
xorriso->hln_targets= calloc(xorriso->hln_count, sizeof(char *));
if(xorriso->hln_targets == NULL) {
if(!(flag & 1)) {
free(xorriso->hln_array);
xorriso->hln_array= NULL;
}
Xorriso_no_malloc_memory(xorriso, NULL, 0);
return(-1);
}
for(i= 0; i < xorriso->hln_count; i++)
xorriso->hln_targets[i]= NULL;
xorriso->node_targets_availmem= mem_limit
- xorriso->hln_count * sizeof(void *)
- xorriso->hln_count * sizeof(char *);
if(xorriso->node_targets_availmem < 0)
xorriso->node_targets_availmem= 0;
return(1);
}
int Xorriso__findi_sorted_ino_cmp(const void *p1, const void *p2)
{
int ret;
IsoNode *n1, *n2;
n1= *((IsoNode **) p1);
n2= *((IsoNode **) p2);
ret= Xorriso__node_lba_cmp(&n1, &n2);
if(ret)
return (ret > 0 ? 1 : -1);
ret= iso_node_cmp_ino(n1, n2, 0);
return(ret);
}
/* Not suitable for qsort() but for cross-array comparisons.
p1 and p2 are actually IsoNode *p1, IsoNode *p2
*/
int Xorriso__hln_cmp(const void *p1, const void *p2)
{
int ret;
ret= Xorriso__findi_sorted_ino_cmp(&p1, &p2);
if(ret)
return (ret > 0 ? 1 : -1);
if(p1 != p2)
return(p1 < p2 ? -1 : 1);
return(0);
}
/*
p1 and p2 are actually IsoNode **p1, IsoNode **p2
*/
int Xorriso__findi_sorted_cmp(const void *p1, const void *p2)
{
int ret;
ret= Xorriso__findi_sorted_ino_cmp(p1, p2);
if(ret)
return (ret > 0 ? 1 : -1);
if(p1 != p2)
return(p1 < p2 ? -1 : 1);
return(0);
}
int Xorriso_sort_node_array(struct XorrisO *xorriso, int flag)
{
if(xorriso->node_counter <= 0)
return(0);
qsort(xorriso->node_array, xorriso->node_counter, sizeof(IsoNode *),
Xorriso__findi_sorted_cmp);
return(1);
}
int Xorriso__search_node(void *node_array[], int n,
int (*cmp)(const void *p1, const void *p2),
void *node, int *idx, int flag)
{
int ret, l, r, p, pos;
if(n == 0)
return(0);
l= 0;
r= n + 1;
while(1) {
p= (r - l) / 2;
if(p == 0)
break;
p+= l;
/* NULL elements may indicate invalid nodes. Their first valid right neigbor
will serve as proxy. If none exists, then the test pushes leftwards.
*/
for(pos= p - 1; pos < n; pos++)
if(node_array[pos] != NULL)
break;
if(pos < n)
ret= (*cmp)(&(node_array[pos]), &node);
else
ret= 1;
if(ret < 0)
l= p;
else if(ret > 0)
r= p;
else {
*idx= pos;
return(1);
}
}
return(0);
}
int Xorriso_search_in_hln_array(struct XorrisO *xorriso,
void *node, int *idx, int flag)
{
int ret;
if(xorriso->hln_array == NULL || xorriso->hln_count <= 0)
return(0);
ret= Xorriso__search_node(xorriso->hln_array, xorriso->hln_count,
Xorriso__findi_sorted_ino_cmp, node, idx, 0);
return ret;
}
int Xorriso__get_di(IsoNode *node, dev_t *dev, ino_t *ino, int flag)
{
int ret, i, i_end, imgid, error_code;
size_t value_length= 0;
char *value= NULL, msg[ISO_MSGS_MESSAGE_LEN], severity[80];
unsigned char *vpt;
static char *name= "isofs.di";
#ifdef NIX
/* <<< */
Xorriso_get_di_counteR++;
#endif /* NIX */
*dev= 0;
*ino= 0;
ret= iso_node_lookup_attr(node, name, &value_length, &value, 0);
if(ret <= 0) {
/* Drop any pending messages because there is no xorriso to take them */
iso_obtain_msgs("NEVER", &error_code, &imgid, msg, severity);
return(ret);
}
vpt= (unsigned char *) value;
for(i= 1; i <= vpt[0] && i < value_length; i++)
*dev= ((*dev) << 8) | vpt[i];
i_end= i + vpt[i] + 1;
for(i++; i < i_end && i < value_length; i++)
*ino= ((*ino) << 8) | vpt[i];
free(value);
return(1);
}
int Xorriso__di_ino_cmp(const void *p1, const void *p2)
{
int ret;
IsoNode *n1, *n2;
dev_t d1, d2;
ino_t i1, i2;
n1= *((IsoNode **) p1);
n2= *((IsoNode **) p2);
ret= Xorriso__get_di(n1, &d1, &i1, 0);
if(ret <= 0)
{d1= 0; i1= 0;}
ret= Xorriso__get_di(n2, &d2, &i2, 0);
if(ret <= 0)
{d2= 0; i2= 0;}
if(d1 < d2)
return(-1);
if(d1 > d2)
return(1);
if(i1 < i2)
return(-1);
if(i1 > i2)
return(1);
if(d1 == 0 && i1 == 0 && n1 != n2)
return(n1 < n2 ? -1 : 1);
return(0);
}
int Xorriso__di_cmp(const void *p1, const void *p2)
{
int ret;
IsoNode *n1, *n2;
ret= Xorriso__di_ino_cmp(p1, p2);
if(ret)
return(ret);
n1= *((IsoNode **) p1);
n2= *((IsoNode **) p2);
if(n1 != n2)
return(n1 < n2 ? -1 : 1);
return(0);
}
int Xorriso__sort_di(void *node_array[], int count, int flag)
{
if(count <= 0)
return(0);
qsort(node_array, count, sizeof(IsoNode *), Xorriso__di_cmp);
return(1);
}
int Xorriso_invalidate_di_item(struct XorrisO *xorriso, IsoNode *node,
int flag)
{
int ret, idx;
if(xorriso->di_array == NULL)
return(1);
ret= Xorriso__search_node(xorriso->di_array, xorriso->di_count,
Xorriso__di_cmp, node, &idx, 0);
if(ret <= 0)
return(ret == 0);
if(xorriso->di_array[idx] != NULL)
iso_node_unref(xorriso->di_array[idx]);
xorriso->di_array[idx]= NULL;
return(1);
}
/* @param flag bit0= return 1 even if matching nodes were found but node is
not among them
bit1= use Xorriso__di_cmp() rather than Xorriso__di_ino_cmp()
*/
int Xorriso_search_di_range(struct XorrisO *xorriso, IsoNode *node,
int *idx, int *low, int *high, int flag)
{
int ret, i, found;
int (*cmp)(const void *p1, const void *p2)= Xorriso__di_ino_cmp;
if(flag & 2)
cmp= Xorriso__di_cmp;
*high= *low= *idx= -1;
ret= Xorriso__search_node(xorriso->di_array, xorriso->di_count,
cmp, node, &found, 0);
if(ret <= 0)
return(0);
*low= *high= found;
for(i= found + 1; i < xorriso->di_count; i++)
if(xorriso->di_array[i] != NULL) {
if((*cmp)(&node, &(xorriso->di_array[i])) != 0)
break;
*high= i;
}
for(i= found - 1; i >= 0; i--)
if(xorriso->di_array[i] != NULL) {
if((*cmp)(&node, &(xorriso->di_array[i])) != 0)
break;
*low= i;
}
for(i= *low; i <= *high; i++)
if(xorriso->di_array[i] == node) {
*idx= i;
break;
}
return(*idx >= 0 || (flag & 1));
}
/* ------------------------------------------------------------------------ */
int Xorriso_startup_libraries(struct XorrisO *xorriso, int flag)
{
int ret, major, minor, micro;
char *handler_prefix= NULL;
char *queue_sev, *print_sev, reason[1024];
struct iso_zisofs_ctrl zisofs_ctrl= {0, 6, 15};
/* First an ugly compile time check for header version compatibility.
If everthing matches, then no C code is produced. In case of mismatch,
intentionally faulty C code will be inserted.
*/
/* The minimum requirement of xorriso towards the libisoburn header
at compile time is defined in xorriso/xorrisoburn.h
xorriso_libisoburn_req_major
xorriso_libisoburn_req_minor
xorriso_libisoburn_req_micro
It gets compared against the version macros in libburn/libburn.h :
isoburn_header_version_major
isoburn_header_version_minor
isoburn_header_version_micro
If the header is too old then the following code shall cause failure of
cdrskin compilation rather than to allow production of a program with
unpredictable bugs or memory corruption.
The compiler messages supposed to appear in this case are:
error: 'LIBISOBURN_MISCONFIGURATION' undeclared (first use in this function)
error: 'INTENTIONAL_ABORT_OF_COMPILATION__HEADERFILE_libisoburn_dot_h_TOO_OLD__SEE_xorrisoburn_dot_c' undeclared (first use in this function)
error: 'LIBISOBURN_MISCONFIGURATION_' undeclared (first use in this function)
*/
/* The indendation is an advise of man gcc to help old compilers ignoring */
#if xorriso_libisoburn_req_major > isoburn_header_version_major
#define Isoburn_libisoburn_dot_h_too_olD 1
#endif
#if xorriso_libisoburn_req_major == isoburn_header_version_major && xorriso_libisoburn_req_minor > isoburn_header_version_minor
#define Isoburn_libisoburn_dot_h_too_olD 1
#endif
#if xorriso_libisoburn_req_minor == isoburn_header_version_minor && xorriso_libisoburn_req_micro > isoburn_header_version_micro
#define Isoburn_libisoburn_dot_h_too_olD 1
#endif
#ifdef Isoburn_libisoburn_dot_h_too_olD
LIBISOBURN_MISCONFIGURATION = 0;
INTENTIONAL_ABORT_OF_COMPILATION__HEADERFILE_libisoburn_dot_h_TOO_OLD__SEE_xorrisoburn_dot_c = 0;
LIBISOBURN_MISCONFIGURATION_ = 0;
#endif
/* End of ugly compile time test (scroll up for explanation) */
handler_prefix= calloc(strlen(xorriso->progname)+3+1, 1);
if(handler_prefix==NULL) {
sprintf(xorriso->info_text,
"Cannot allocate memory for initializing libraries");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FATAL", 0);
return(-1);
}
reason[0]= 0;
ret= isoburn_initialize(reason, 0);
if(ret==0) {
sprintf(xorriso->info_text, "Cannot initialize libraries");
if(reason[0])
sprintf(xorriso->info_text+strlen(xorriso->info_text),
". Reason given:\n%s", reason);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FATAL", 0);
free(handler_prefix);
return(0);
}
ret= isoburn_is_compatible(isoburn_header_version_major,
isoburn_header_version_minor,
isoburn_header_version_micro, 0);
if(ret<=0) {
isoburn_version(&major, &minor, &micro);
sprintf(xorriso->info_text,
"libisoburn version too old: %d.%d.%d . Need at least: %d.%d.%d .\n",
major, minor, micro,
isoburn_header_version_major, isoburn_header_version_minor,
isoburn_header_version_micro);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FATAL", 0);
return(-1);
}
xorriso->libs_are_started= 1;
queue_sev= "ALL";
if(xorriso->library_msg_direct_print) {
/* >>> need option for controlling this in XorrisO.
See also Xorriso_msgs_submit */;
print_sev= xorriso->report_about_text;
} else
print_sev= "NEVER";
iso_set_msgs_severities(queue_sev, print_sev, "libsofs : ");
burn_msgs_set_severities(queue_sev, print_sev, "libburn : ");
/* ??? >>> do we want united queues ? */
/* burn_set_messenger(iso_get_messenger()); */
isoburn_set_msgs_submit(Xorriso_msgs_submit_void, (void *) xorriso,
(3<<2) | 128 , 0);
sprintf(handler_prefix, "%s : ", xorriso->progname);
burn_set_signal_handling(handler_prefix, NULL, 0);
ret = iso_zisofs_get_params(&zisofs_ctrl, 0);
if (ret == 1) {
xorriso->zisofs_block_size= xorriso->zisofs_block_size_default=
(1 << zisofs_ctrl.block_size_log2);
xorriso->zlib_level= xorriso->zlib_level_default=
zisofs_ctrl.compression_level;
}
Xorriso_process_msg_queues(xorriso,0);
if(reason[0]) {
sprintf(xorriso->info_text, "%s", reason);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "DEBUG", 0);
}
strcpy(xorriso->info_text, "Using ");
strncat(xorriso->info_text, burn_scsi_transport_id(0), 1024);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "DEBUG", 0);
free(handler_prefix);
return(1);
}
/* @param flag bit0= global shutdown of libraries */
int Xorriso_detach_libraries(struct XorrisO *xorriso, int flag)
{
Xorriso_give_up_drive(xorriso, 3);
if(xorriso->in_volset_handle!=NULL) { /* standalone image */
iso_image_unref((IsoImage *) xorriso->in_volset_handle);
xorriso->in_volset_handle= NULL;
Sectorbitmap_destroy(&(xorriso->in_sector_map), 0);
Xorriso_destroy_di_array(xorriso, 0);
Xorriso_destroy_hln_array(xorriso, 0);
}
if(flag&1) {
if(xorriso->libs_are_started==0)
return(0);
isoburn_finish();
}
return(1);
}
/* @param flag
bit0= if not MMC drive print NOTE and return 2
bit1= obtain outdrive, else indrive
bit4= do not report failure
*/
int Xorriso_get_drive_handles(struct XorrisO *xorriso,
struct burn_drive_info **dinfo,
struct burn_drive **drive,
char *attempt, int flag)
{
int ret;
if(flag&2)
*dinfo= (struct burn_drive_info *) xorriso->out_drive_handle;
else
*dinfo= (struct burn_drive_info *) xorriso->in_drive_handle;
if(*dinfo==NULL && !(flag & 16)) {
Xorriso_process_msg_queues(xorriso,0);
sprintf(xorriso->info_text, "No %s drive aquired %s",
(flag&2 ? "output" : "input"), attempt);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
}
if(*dinfo==NULL)
return(0);
*drive= (*dinfo)[0].drive;
if(flag & 1) {
ret= burn_drive_get_drive_role(*drive);
if(ret != 1) {
sprintf(xorriso->info_text,
"Output device is not an MMC drive. Desired operation does not apply.");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
return(2);
}
}
return((*drive)!=NULL);
}
int Xorriso__sev_to_text(int severity, char **severity_name,
int flag)
{
int ret;
ret= iso_sev_to_text(severity, severity_name);
if(ret>0)
return(ret);
ret= burn_sev_to_text(severity, severity_name, 0);
if(ret>0)
return(ret);
*severity_name= "";
return(0);
}
int Xorriso__text_to_sev(char *severity_name, int *severity_number, int flag)
{
int ret= 1;
ret= iso_text_to_sev(severity_name, severity_number);
if(ret>0)
return(ret);
ret= burn_text_to_sev(severity_name, severity_number, 0);
return(ret);
}
/* @param flag bit0= report libisofs error text
bit1= victim is disk_path
bit2= do not inquire libisofs, report msg_text and min_severity
*/
int Xorriso_report_iso_error(struct XorrisO *xorriso, char *victim,
int iso_error_code, char msg_text[], int os_errno,
char min_severity[], int flag)
{
int error_code, iso_sev, min_sev, ret;
char *sev_text_pt, *msg_text_pt= NULL;
char sfe[6*SfileadrL];
static int sorry_sev= -1;
if(sorry_sev<0)
Xorriso__text_to_sev("SORRY", &sorry_sev, 0);
if(flag&4) {
error_code= 0x00050000;
Xorriso__text_to_sev(min_severity, &iso_sev, 0);
} else {
error_code= iso_error_get_code(iso_error_code);
if(error_code < 0x00030000 || error_code >= 0x00040000)
error_code= (error_code & 0xffff) | 0x00050000;
if(flag&1)
msg_text_pt= (char *) iso_error_to_msg(iso_error_code);
iso_sev= iso_error_get_severity(iso_error_code);
}
if(msg_text_pt==NULL)
msg_text_pt= msg_text;
if(iso_sev >= sorry_sev && (flag & 2) && victim[0])
Xorriso_msgs_submit(xorriso, 0, victim, 0, "ERRFILE", 0);
sev_text_pt= min_severity;
Xorriso__text_to_sev(min_severity, &min_sev, 0);
if(min_sev < iso_sev && !(flag&4))
Xorriso__sev_to_text(iso_sev, &sev_text_pt, 0);
strcpy(sfe, msg_text_pt);
if(victim[0]) {
strcat(sfe, ": ");
Text_shellsafe(victim, sfe+strlen(sfe), 0);
}
ret= Xorriso_msgs_submit(xorriso, error_code, sfe, os_errno, sev_text_pt, 4);
return(ret);
}
/* @param flag bit0= suppress messages below UPDATE
bit1= suppress messages below FAILURE
*/
int Xorriso_set_image_severities(struct XorrisO *xorriso, int flag)
{
char *queue_sev, *print_sev;
if(flag&2)
queue_sev= "FAILURE";
else if(flag&1)
queue_sev= "UPDATE";
else
queue_sev= "ALL";
if(xorriso->library_msg_direct_print)
print_sev= xorriso->report_about_text;
else
print_sev= "NEVER";
iso_set_msgs_severities(queue_sev, print_sev, "libisofs : ");
return(1);
}
int Xorriso_update_volid(struct XorrisO *xorriso, int flag)
{
int gret, sret= 1;
gret= Xorriso_get_volid(xorriso, xorriso->loaded_volid, 0);
if(gret<=0 || (!xorriso->volid_default) || xorriso->loaded_volid[0]==0)
sret= Xorriso_set_volid(xorriso, xorriso->volid, 1);
return(gret>0 && sret>0);
}
int Xorriso_create_empty_iso(struct XorrisO *xorriso, int flag)
{
int ret;
IsoImage *volset;
struct isoburn_read_opts *ropts;
struct burn_drive_info *dinfo= NULL;
struct burn_drive *drive= NULL;
if(xorriso->out_drive_handle != NULL) {
ret= Xorriso_get_drive_handles(xorriso, &dinfo, &drive,
"on attempt to attach volset to drive", 2);
if(ret<=0)
return(ret);
}
if(xorriso->in_volset_handle!=NULL) {
iso_image_unref((IsoImage *) xorriso->in_volset_handle);
xorriso->in_volset_handle= NULL;
Sectorbitmap_destroy(&(xorriso->in_sector_map), 0);
Xorriso_destroy_di_array(xorriso, 0);
Xorriso_destroy_hln_array(xorriso, 0);
xorriso->loaded_volid[0]= 0;
xorriso->volset_change_pending= 0;
xorriso->no_volset_present= 0;
}
ret= isoburn_ropt_new(&ropts, 0);
if(ret<=0)
return(ret);
/* Note: no return before isoburn_ropt_destroy() */
isoburn_ropt_set_extensions(ropts, isoburn_ropt_pretend_blank);
isoburn_ropt_set_input_charset(ropts, xorriso->in_charset);
isoburn_set_read_pacifier(drive, NULL, NULL);
ret= isoburn_read_image(drive, ropts, &volset);
Xorriso_process_msg_queues(xorriso,0);
isoburn_ropt_destroy(&ropts, 0);
if(ret<=0) {
sprintf(xorriso->info_text, "Failed to create new empty ISO image object");
Xorriso_report_iso_error(xorriso, "", ret, xorriso->info_text, 0, "FATAL",
0);
return(-1);
}
xorriso->in_volset_handle= (void *) volset;
xorriso->in_sector_map= NULL;
Xorriso_update_volid(xorriso, 0);
xorriso->volset_change_pending= 0;
xorriso->no_volset_present= 0;
return(1);
}
int Xorriso_record_boot_info(struct XorrisO *xorriso, int flag)
{
int ret;
struct burn_drive_info *dinfo;
struct burn_drive *drive;
IsoImage *image;
ElToritoBootImage *bootimg;
IsoFile *bootimg_node;
IsoBoot *bootcat_node;
xorriso->loaded_boot_bin_lba= -1;
xorriso->loaded_boot_cat_path[0]= 0;
ret= Xorriso_get_drive_handles(xorriso, &dinfo, &drive,
"on attempt to record boot LBAs", 0);
if(ret<=0)
return(0);
image= isoburn_get_attached_image(drive);
if(image == NULL)
return(0);
ret= iso_image_get_boot_image(image, &bootimg,
&bootimg_node, &bootcat_node);
iso_image_unref(image); /* release obtained reference */
if(ret != 1)
return(0);
if(bootimg_node != NULL)
Xorriso__file_start_lba((IsoNode *) bootimg_node,
&(xorriso->loaded_boot_bin_lba), 0);
if(bootcat_node != NULL)
Xorriso_path_from_lba(xorriso, (IsoNode *) bootcat_node, 0,
xorriso->loaded_boot_cat_path, 0);
return(1);
}
int Xorriso_assert_volid(struct XorrisO *xorriso, int msc1, int flag)
{
int ret, image_blocks;
char volid[33];
struct burn_drive_info *dinfo;
struct burn_drive *drive;
if(xorriso->assert_volid[0] == 0)
return(1);
ret= Xorriso_get_drive_handles(xorriso, &dinfo, &drive,
"on attempt to perform -assert_volid", 0);
if(ret<=0)
return(0);
ret= isoburn_read_iso_head(drive, msc1, &image_blocks, volid, 1);
Xorriso_process_msg_queues(xorriso,0);
if(ret <= 0) {
sprintf(xorriso->info_text,
"-assert_volid: Cannot determine Volume Id at LBA %d.", msc1);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0,
xorriso->assert_volid_sev, 0);
return(0);
}
ret= Sregex_match(xorriso->assert_volid, volid, 0);
if(ret < 0)
return(2);
if(ret == 0) {
strcpy(xorriso->info_text,
"-assert_volid: Volume id does not match pattern: ");
Text_shellsafe(xorriso->assert_volid, xorriso->info_text, 1);
strcat(xorriso->info_text, " <> ");
Text_shellsafe(volid, xorriso->info_text, 1);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0,
xorriso->assert_volid_sev, 0);
return(0);
}
return(ret);
}
/* @param flag bit0= aquire as isoburn input drive
bit1= aquire as libburn output drive (as isoburn drive if bit0)
bit2= regard overwriteable media as blank
bit3= if the drive is a regular disk file: truncate it to
the write start address
bit5= do not print toc
bit6= do not calm down drive after aquiring it
@return <=0 failure , 1= ok
2=success, but not writeable with bit1
3=success, but not blank and not ISO with bit0
*/
int Xorriso_aquire_drive(struct XorrisO *xorriso, char *adr, int flag)
{
int ret, hret, not_writeable= 0, has_what, aquire_flag, load_lba, ext;
int lba, track, session, params_flag, adr_mode, read_ret;
uint32_t size;
struct burn_drive_info *dinfo= NULL, *out_dinfo, *in_dinfo;
struct burn_drive *drive= NULL, *out_drive, *in_drive;
enum burn_disc_status state;
IsoImage *volset = NULL;
IsoNode *root_node;
struct isoburn_read_opts *ropts= NULL;
char libburn_adr[SfileadrL], *boot_fate, *sev;
size_t value_length;
char *value= NULL;
double num;
char volid[33], adr_data[163], *adr_pt;
if((flag&3)==0) {
sprintf(xorriso->info_text,
"XORRISOBURN program error : Xorriso_aquire_drive bit0+bit1 not set");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FATAL", 0);
return(-1);
}
ret= Xorriso_give_up_drive(xorriso, (flag&3)|8);
if(ret<=0)
return(ret);
if(flag & 1)
xorriso->isofs_st_out= time(0) - 1;
ret= Xorriso_auto_driveadr(xorriso, adr, libburn_adr, 0);
if(ret <= 0)
return(ret);
if(strcmp(libburn_adr,"stdio:/dev/fd/1")==0) {
if(xorriso->dev_fd_1<0) {
sprintf(xorriso->info_text,
"-*dev \"stdio:/dev/fd/1\" was not a start argument. Cannot use it now.");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
{ret= 0; goto ex;}
} else {
sprintf(libburn_adr, "stdio:/dev/fd/%d", xorriso->dev_fd_1);
}
}
if((flag&3)==1 && xorriso->out_drive_handle!=NULL) {
ret= Xorriso_get_drive_handles(xorriso, &out_dinfo, &out_drive,
"on attempt to compare new indev with outdev", 2);
if(ret<=0)
goto ex;
ret= burn_drive_equals_adr(out_drive, libburn_adr, 1);
if(ret==1) {
dinfo= out_dinfo;
xorriso->indev_is_exclusive= xorriso->outdev_is_exclusive;
}
} else if((flag&3)==2 && xorriso->in_drive_handle!=NULL) {
ret= Xorriso_get_drive_handles(xorriso, &in_dinfo, &in_drive,
"on attempt to compare new outdev with indev", 0);
if(ret<=0)
goto ex;
ret= burn_drive_equals_adr(in_drive, libburn_adr, 1);
if(ret==1) {
dinfo= in_dinfo;
xorriso->outdev_is_exclusive= xorriso->indev_is_exclusive;
}
}
if(dinfo==NULL) {
aquire_flag= 1 | ((flag&(8|4))>>1) | ((xorriso->toc_emulation_flag & 3)<<3);
if(xorriso->toc_emulation_flag & 4)
aquire_flag|= 128;
if(!(xorriso->do_aaip & 1))
aquire_flag|= 32;
if((xorriso->ino_behavior & (1 | 2)) && !(xorriso->do_aaip & (4 | 32)))
aquire_flag|= 64;
burn_preset_device_open(xorriso->drives_exclusive, 0, 0);
ret= isoburn_drive_aquire(&dinfo, libburn_adr, aquire_flag);
burn_preset_device_open(1, 0, 0);
Xorriso_process_msg_queues(xorriso,0);
if(ret<=0) {
sprintf(xorriso->info_text,"Cannot aquire drive '%s'", adr);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
ret= 0; goto ex;
}
if(flag&1)
if(xorriso->image_start_mode&(1<<31)) /* used up setting */
xorriso->image_start_mode= 0; /* no need to perform auto setting */
if(flag & 1)
xorriso->indev_is_exclusive= xorriso->drives_exclusive;
if(flag & 2)
xorriso->outdev_is_exclusive= xorriso->drives_exclusive;
}
drive= dinfo[0].drive;
if(flag&1) {
if(xorriso->image_start_mode&(1<<31)) /* used up setting */
xorriso->image_start_mode&= ~0xffff; /* perform auto setting */
if((xorriso->image_start_mode&(1<<30))) { /* if enabled at all */
adr_pt= xorriso->image_start_value;
adr_mode= xorriso->image_start_mode & 0xffff;
if(adr_mode == 4 && strlen(adr_pt) <= 80) {
/* Convert volid search expression into lba */
params_flag= 0;
ret= Xorriso__bourne_to_reg(xorriso->image_start_value, adr_data, 0);
if(ret == 1)
params_flag|= 4;
ret= isoburn_get_mount_params(drive, 4, adr_data, &lba, &track,
&session, volid, params_flag);
Xorriso_process_msg_queues(xorriso,0);
if(ret <= 0)
goto ex;
if(session <= 0 || track <= 0 || ret == 2) {
Xorriso_msgs_submit(xorriso, 0,
"-load : Given address does not point to an ISO 9660 session",
0, "FAILURE", 0);
ret= 0; goto ex;
}
sprintf(volid, "%d", lba);
adr_pt= volid;
adr_mode= 3;
}
ret= isoburn_set_msc1(drive, adr_mode, adr_pt,
!!(xorriso->image_start_mode & (1<<16)));
if(ret<=0)
goto ex;
if(xorriso->image_start_mode&(1<<31))
xorriso->image_start_mode= 0; /* disable msc1 setting completely */
else
xorriso->image_start_mode|= (1<<31); /* mark as used up */
}
}
state= isoburn_disc_get_status(drive);
Xorriso_process_msg_queues(xorriso,0);
if(flag&1) {
volset= isoburn_get_attached_image(drive);
if(volset != NULL) { /* The image object is already created */
iso_image_unref(volset);
}
}
if(flag&2) {
xorriso->out_drive_handle= dinfo;
if(Sfile_str(xorriso->outdev, adr, 0)<=0)
{ret= -1; goto ex;}
if(state != BURN_DISC_BLANK && state != BURN_DISC_APPENDABLE) {
sprintf(xorriso->info_text, "Disc status unsuitable for writing");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
not_writeable= 1;
}
}
if(flag&1) {
xorriso->in_drive_handle= dinfo;
if(Sfile_str(xorriso->indev, adr, 0)<=0)
{ret= -1; goto ex;}
} else if(flag&2) {
if(xorriso->in_volset_handle==NULL) {
/* No volume loaded: create empty one */
ret= Xorriso_create_empty_iso(xorriso, 0);
if(ret<=0)
goto ex;
} else {
iso_image_ref((IsoImage *) xorriso->in_volset_handle);
ret= isoburn_attach_image(drive, (IsoImage *) xorriso->in_volset_handle);
if(ret<=0) {
sprintf(xorriso->info_text,
"Failed to attach ISO image object to outdev");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FATAL", 0);
{ret= -1; goto ex;}
}
}
if(!(flag&32))
Xorriso_toc(xorriso, 1 | 2 | 8);
{ret= 1+not_writeable; goto ex;}
}
if(xorriso->in_volset_handle!=NULL)
iso_image_unref((IsoImage *) xorriso->in_volset_handle);
xorriso->in_volset_handle= NULL;
Sectorbitmap_destroy(&(xorriso->in_sector_map), 0);
Xorriso_destroy_hln_array(xorriso, 0);
Xorriso_destroy_di_array(xorriso, 0);
/* check for invalid state */
if(state != BURN_DISC_BLANK && state != BURN_DISC_APPENDABLE &&
state != BURN_DISC_FULL) {
sprintf(xorriso->info_text,
"Disc status not blank and unsuitable for reading");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "SORRY", 0);
{ret= 0; goto ex;}
}
/* fill read opts */
ret= isoburn_ropt_new(&ropts, 0);
if(ret<=0)
goto ex;
ext= isoburn_ropt_noiso1999;
if((xorriso->ino_behavior & (1 | 2)) && !(xorriso->do_aaip & (1 | 4 | 32))
&& !(xorriso->do_md5 & 1))
ext|= isoburn_ropt_noaaip;
if(!(xorriso->do_aaip & 1))
ext|= isoburn_ropt_noacl;
if(!(xorriso->do_aaip & 4))
ext|= isoburn_ropt_noea;
if(xorriso->ino_behavior & 1)
ext|= isoburn_ropt_noino;
#ifdef isoburn_ropt_nomd5
if(!(xorriso->do_md5 & 1))
ext|= isoburn_ropt_nomd5;
#endif
isoburn_ropt_set_extensions(ropts, ext);
isoburn_ropt_set_default_perms(ropts, (uid_t) 0, (gid_t) 0, (mode_t) 0555);
isoburn_ropt_set_input_charset(ropts, xorriso->in_charset);
isoburn_ropt_set_auto_incharset(ropts, !!(xorriso->do_aaip & 512));
Xorriso_set_image_severities(xorriso, 1); /* No DEBUG messages */
Xorriso_pacifier_reset(xorriso, 0);
isoburn_set_read_pacifier(drive, Xorriso__read_pacifier, (void *) xorriso);
/* <<< Trying to work around too much tolerance on bad image trees.
Better would be a chance to instruct libisofs what to do in
case of image read errors. There is a risk to mistake other SORRYs.
*/
if(xorriso->img_read_error_mode>0)
iso_set_abort_severity("SORRY");
if(state != BURN_DISC_BLANK) {
ret= isoburn_disc_get_msc1(drive, &load_lba);
if(ret > 0) {
sprintf(xorriso->info_text,
"Loading ISO image tree from LBA %d", load_lba);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
}
ret= Xorriso_assert_volid(xorriso, load_lba, 0);
if(ret <= 0)
goto ex;
}
read_ret= ret= isoburn_read_image(drive, ropts, &volset);
/* <<< Resetting to normal thresholds */
if(xorriso->img_read_error_mode>0)
Xorriso_set_abort_severity(xorriso, 0);
if(ret<=0) {
Xorriso_process_msg_queues(xorriso,0);
Xorriso_set_image_severities(xorriso, 0);
Xorriso_give_up_drive(xorriso, 1|((flag&32)>>2));
sprintf(xorriso->info_text,"Cannot read ISO image tree");
sev= "FAILURE";
if(xorriso->img_read_error_mode==2)
sev= "FATAL";
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, sev, 0);
if(read_ret == ISO_SB_TREE_CORRUPTED && (xorriso->do_md5 & 1)) {
Xorriso_msgs_submit(xorriso, 0,
"You might get a questionable ISO image tree by option -md5 'off'.",
0, "HINT", 0);
} else if(xorriso->img_read_error_mode!=0) {
Xorriso_msgs_submit(xorriso, 0, "You might get a partial or altered ISO image tree by option -error_behavior 'image_loading' 'best_effort' if -abort_on is set to be tolerant enough.",
0, "HINT", 0);
}
ret= 3; goto ex;
}
Xorriso_pacifier_callback(xorriso, "nodes read", xorriso->pacifier_count, 0,
"", 1); /* report end count */
xorriso->in_volset_handle= (void *) volset;
xorriso->in_sector_map= NULL;
Xorriso_set_image_severities(xorriso, 0);
Xorriso_update_volid(xorriso, 0);
strncpy(xorriso->application_id,
un0(iso_image_get_application_id(volset)), 128);
xorriso->application_id[128]= 0;
strncpy(xorriso->publisher, un0(iso_image_get_publisher_id(volset)), 128);
xorriso->publisher[128]= 0;
strncpy(xorriso->system_id, un0(iso_image_get_system_id(volset)), 32);
xorriso->system_id[32]= 0;
strncpy(xorriso->volset_id, un0(iso_image_get_volset_id(volset)), 128);
xorriso->volset_id[128]= 0;
/* <<< can be removed as soon as libisofs-0.6.24 is mandatory
*/
if(strcmp(un0(iso_image_get_copyright_file_id(volset)), "_") == 0 &&
strcmp(un0(iso_image_get_abstract_file_id(volset)), "_") == 0 &&
strcmp(un0(iso_image_get_biblio_file_id(volset)), "_") == 0) {
/* This is bug output from libisofs <= 0.6.23 . The texts mean file names
and should have been empty to indicate that there are no such files.
It is obvious that not all three roles can be fulfilled by one file "_"
so that one cannot spoil anything by assuming them empty now.
Modern versions of libisofs are supposed to do this themselves.
*/
iso_image_set_copyright_file_id(volset, "");
iso_image_set_abstract_file_id(volset, "");
iso_image_set_biblio_file_id(volset, "");
}
if(xorriso->out_drive_handle != NULL &&
xorriso->out_drive_handle != xorriso->in_drive_handle) {
ret= Xorriso_get_drive_handles(xorriso, &out_dinfo, &out_drive,
"on attempt to attach ISO image volset to outdev", 2);
if(ret<=0)
goto ex;
iso_image_ref((IsoImage *) xorriso->in_volset_handle);
isoburn_attach_image(out_drive, xorriso->in_volset_handle);
}
Xorriso_process_msg_queues(xorriso,0);
isoburn_ropt_get_size_what(ropts, &size, &has_what);
if(has_what & isoburn_ropt_has_el_torito) {
if(xorriso->boot_image_bin_path[0])
boot_fate= "replaced by an isolinux image";
else if(xorriso->patch_isolinux_image)
boot_fate= "patched as isolinux image";
else if(xorriso->keep_boot_image)
boot_fate= "kept unchanged";
else
boot_fate= "discarded";
sprintf(xorriso->info_text,
"Detected El-Torito boot information which currently is set to be %s",
boot_fate);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
Xorriso_record_boot_info(xorriso, 0);
}
if(flag & 1) {
/* Look for isofs.st and put it into xorriso->isofs_st_in */;
root_node= (IsoNode *) iso_image_get_root(volset);
ret= iso_node_lookup_attr(root_node, "isofs.st", &value_length, &value, 0);
if(ret > 0) {
if(value_length > 0) {
sscanf(value, "%lf", &num);
if(num > 0)
xorriso->isofs_st_in= num;
}
free(value);
}
}
if(!(flag&32)) {
Xorriso_toc(xorriso, 1 | 8);
if(xorriso->loaded_volid[0]!=0) {
sprintf(xorriso->info_text,"Volume id : '%s'\n",
xorriso->loaded_volid);
Xorriso_info(xorriso, 0);
if(strcmp(xorriso->loaded_volid, xorriso->volid) != 0 &&
!xorriso->volid_default) {
sprintf(xorriso->info_text, "New volume id: '%s'\n", xorriso->volid);
Xorriso_info(xorriso, 0);
}
}
}
ret= 1+not_writeable;
ex:
Xorriso_process_msg_queues(xorriso,0);
if(ret<=0) {
hret= Xorriso_give_up_drive(xorriso, (flag&3)|((flag&32)>>2));
if(hret<ret)
ret= hret;
} else {
if(drive != NULL && (xorriso->do_calm_drive & 1) && !(flag & 64))
burn_drive_snooze(drive, 0); /* No need to make noise from start */
}
if(ropts!=NULL)
isoburn_ropt_destroy(&ropts, 0);
return(ret);
}
/* @param flag bit0=input drive
bit1=output drive
bit2=eject
bit3=no info message or toc
*/
int Xorriso_give_up_drive(struct XorrisO *xorriso, int flag)
{
int in_is_out_too, ret, do_eject;
struct burn_drive_info *dinfo;
struct burn_drive *drive;
char sfe[5*SfileadrL];
in_is_out_too= (xorriso->in_drive_handle == xorriso->out_drive_handle);
if((flag&4) && in_is_out_too && (flag&(1|2))) {
if((flag&3)!=3) {
sprintf(xorriso->info_text,"Giving up for -eject whole -dev %s",
Text_shellsafe(xorriso->indev, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
}
flag|= 3; /* give up in/out drive to eject it */
}
if((flag&1) && xorriso->in_drive_handle != NULL) {
Xorriso_get_drive_handles(xorriso, &dinfo, &drive,
"on attempt to give up drive", 0);
if(!in_is_out_too) {
do_eject= !!(flag&4);
if((flag & 4) && !xorriso->indev_is_exclusive) {
sprintf(xorriso->info_text,
"Will not eject media in non-exclusively aquired input drive.");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "WARNING", 0);
do_eject= 0;
}
if(drive!=NULL)
isoburn_drive_release(drive, do_eject);
if(dinfo!=NULL)
burn_drive_info_free(dinfo);
}
xorriso->in_drive_handle= NULL;
xorriso->indev[0]= 0;
if(xorriso->in_volset_handle!=NULL)
iso_image_unref((IsoImage *) xorriso->in_volset_handle);
xorriso->in_volset_handle= NULL;
Sectorbitmap_destroy(&(xorriso->in_sector_map), 0);
Xorriso_destroy_di_array(xorriso, 0);
Xorriso_destroy_hln_array(xorriso, 0);
xorriso->loaded_volid[0]= 0;
xorriso->isofs_st_out= time(0) - 1;
xorriso->isofs_st_in= 0;
xorriso->volset_change_pending= 0;
xorriso->no_volset_present= 0;
xorriso->loaded_boot_bin_lba= 0;
xorriso->loaded_boot_cat_path[0]= 0;
in_is_out_too= 0;
}
if((flag&2) && xorriso->out_drive_handle!=NULL) {
do_eject= !!(flag&4);
if((flag & 4) && !xorriso->outdev_is_exclusive) {
sprintf(xorriso->info_text,
"Will not eject media in non-exclusively aquired drive.");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "WARNING", 0);
do_eject= 0;
}
Xorriso_get_drive_handles(xorriso, &dinfo, &drive,
"on attempt to give up drive", 2);
if(!in_is_out_too) {
if(drive!=NULL)
isoburn_drive_release(drive, do_eject);
if(dinfo!=NULL)
burn_drive_info_free(dinfo);
}
xorriso->out_drive_handle= NULL;
xorriso->outdev[0]= 0;
} else if((flag&1) && xorriso->out_drive_handle!=NULL) {
ret= Xorriso_create_empty_iso(xorriso, 0);
if(ret<=0)
return(ret);
if(!(flag&8)) {
sprintf(xorriso->info_text,
"Only the output drive remains. Created empty ISO image.\n");
Xorriso_info(xorriso, 0);
Xorriso_toc(xorriso, 1 | 2 | 8);
}
}
Xorriso_process_msg_queues(xorriso,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;
*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));
burn_drive_set_speed(drive, xorriso->speed, xorriso->speed);
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_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
*/
int Xorriso_sanitize_image_size(struct XorrisO *xorriso,
struct burn_drive *drive, struct burn_disc *disc,
struct burn_write_opts *burn_options, int flag)
{
int ret, img_sectors, num_sessions= 0, num_tracks= 0, padding= 0, profile;
int media_space, lba, nwa;
char profile_name[80];
struct burn_session **sessions;
struct burn_track **tracks;
img_sectors= burn_disc_get_sectors(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) {
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;
}
}
if(xorriso->alignment > 0) {
if(img_sectors > 0) {
ret= isoburn_disc_track_lba_nwa(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;
} else if(padding < xorriso->alignment)
padding= xorriso->alignment;
}
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 %ds exceeds free space on media %ds",
img_sectors + padding, media_space);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
{ret= 0; goto ex;}
}
if(flag&1) {
ret= img_sectors+padding;
} else
ret= 1;
ex:;
return(ret);
}
/* @return <0 yes , 0 no , <0 error */
int Xorriso_is_isohybrid(struct XorrisO *xorriso, IsoFile *bootimg_node,
int flag)
{
int ret;
unsigned char buf[68];
void *data_stream= NULL;
ret= Xorriso_iso_file_open(xorriso, "", (void *) bootimg_node,
&data_stream, 1);
if(ret <= 0)
return(-1);
ret= Xorriso_iso_file_read(xorriso, data_stream, (char *) buf, 68, 0);
Xorriso_iso_file_close(xorriso, &data_stream, 0);
if(ret <= 0)
return(0);
if(buf[64] == 0xfb && buf[65] == 0xc0 && buf[66] == 0x78 && buf[67] == 0x70)
return(1);
return(0);
}
int Xorriso_set_isolinux_options(struct XorrisO *xorriso,
IsoImage *image, int flag)
{
int make_isohybrid_mbr= 0, ret;
ElToritoBootImage *bootimg;
IsoFile *bootimg_node;
ret= iso_image_get_boot_image(image, &bootimg, &bootimg_node, NULL);
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);
return(-1);
}
if(xorriso->boot_image_isohybrid == 0) {
ret= el_torito_set_isolinux_options(bootimg, 1, 0);
return(ret == 1);
}
if(xorriso->boot_image_isohybrid == 3) {
make_isohybrid_mbr= 1;
} else {
ret= Xorriso_is_isohybrid(xorriso, bootimg_node, 0);
if(ret < 0)
return(0);
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);
return(0);
}
if(make_isohybrid_mbr) {
sprintf(xorriso->info_text, "Will write isohybrid MBR.");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
xorriso->alignment= 512;
}
ret= el_torito_set_isolinux_options(bootimg, 1 | (make_isohybrid_mbr << 1),0);
return(ret == 1);
}
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 media 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);
}
}
}
return(1);
}
#define Xorriso_with_make_isohybrid_mbR 1
/* @param flag bit0= do not write but only prepare and return size in sectors
*/
int Xorriso_write_session(struct XorrisO *xorriso, int flag)
{
int ret, relax= 0, i, pacifier_speed= 0, data_lba, ext;
int major, minor, micro;
char xorriso_id[256], *img_id, sfe[5*SfileadrL], *cpt, *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;
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;
IsoNode *node, *root_node;
ElToritoBootImage *bootimg;
enum eltorito_boot_media_type emul_type= ELTORITO_NO_EMUL;
int profile_number;
char profile_name[80];
ret= Xorriso_finish_hl_update(xorriso, 0);
if(ret <= 0)
return(ret);
out_cs= xorriso->out_charset;
if(out_cs == NULL)
Xorriso_get_local_charset(xorriso, &out_cs, 0);
if(!(flag & 1)) {
ret= Xorriso_auto_format(xorriso, 0);
if(ret <=0 )
return(0);
}
ret= Xorriso_get_drive_handles(xorriso, &dinfo, &drive,
"on attempt to write", 2);
if(ret<=0)
return(0);
if(xorriso->out_drive_handle == xorriso->in_drive_handle) {
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;
}
s= isoburn_disc_get_status(drive);
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= isoburn_igopt_new(&sopts, 0);
if(ret<=0) {
Xorriso_process_msg_queues(xorriso, 0);
return(ret);
}
relax= xorriso->relax_compliance;
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);
}
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;
}
/* Activate, adjust or discard boot image */
/* >>> ??? move down to libisoburn ? */
if(image!=NULL && !(flag&1)) {
ret= iso_image_get_boot_image(image, &bootimg, NULL, NULL);
if(xorriso->boot_image_bin_path[0]) {
/* discard old boot image, set new one */
if(ret == 1)
iso_image_remove_boot_image(image);
if(xorriso->boot_image_emul == 1)
emul_type= ELTORITO_HARD_DISC_EMUL;
else if(xorriso->boot_image_emul == 2)
emul_type= ELTORITO_FLOPPY_EMUL;
if(xorriso->boot_image_cat_path[0] == 0) {
strcpy(xorriso->boot_image_cat_path, xorriso->boot_image_bin_path);
cpt= strrchr(xorriso->boot_image_cat_path, '/');
if(cpt == NULL)
cpt= xorriso->boot_image_cat_path;
else
cpt++;
strcpy(cpt, "boot.cat");
}
sprintf(xorriso->info_text, "Activating alleged isolinux boot image %s",
Text_shellsafe(xorriso->boot_image_bin_path, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
sprintf(xorriso->info_text, "Creating El Torito boot catalog file %s",
Text_shellsafe(xorriso->boot_image_cat_path, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
ret= Xorriso_node_from_path(xorriso, image, xorriso->boot_image_bin_path,
&node, 1);
if(ret <= 0) {
sprintf(xorriso->info_text,
"Cannot find in ISO image: -boot_image ... bin_path=%s",
Text_shellsafe(xorriso->boot_image_bin_path, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
{ret= 0; goto ex;}
}
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 overwite existing -boot_image ... cat_path=%s",
Text_shellsafe(xorriso->boot_image_cat_path, sfe, 0));
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=%s",
Text_shellsafe(xorriso->boot_image_cat_path, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
{ret= 0; goto ex;}
}
}
ret= iso_image_set_boot_image(image, xorriso->boot_image_bin_path,
emul_type, xorriso->boot_image_cat_path,
&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_load_size(bootimg, xorriso->boot_image_load_size / 512);
#ifdef Xorriso_with_make_isohybrid_mbR
ret= Xorriso_set_isolinux_options(xorriso, image, 0);
if(ret <= 0)
goto ex;
#else
el_torito_patch_isolinux_image(bootimg);
#endif
} else if(xorriso->patch_isolinux_image) {
if(ret==1) {
relax|= isoburn_igopt_allow_full_ascii;
sprintf(xorriso->info_text, "Patching alleged isolinux boot image");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
ret= Xorriso_path_from_lba(xorriso, NULL, 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;
}
#ifdef Xorriso_with_make_isohybrid_mbR
ret= Xorriso_set_isolinux_options(xorriso, image, 0);
if(ret <= 0)
goto ex;
#else
el_torito_patch_isolinux_image(bootimg);
#endif
} else {
sprintf(xorriso->info_text,
"Could not find any boot image for -boot_image isolinux patch");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "WARNING", 0);
}
} else if(xorriso->keep_boot_image && ret==1) {
relax|= 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(ret==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);
}
}
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);
}
isoburn_igopt_set_level(sopts, 3);
ext= isoburn_igopt_rockridge |
((!!xorriso->do_joliet) * isoburn_igopt_joliet) |
(( !(xorriso->ino_behavior & 2)) * isoburn_igopt_hardlinks) |
(( (!(xorriso->ino_behavior & 2)) ||
(xorriso->do_aaip & (2 | 8 | 16 | 256)) ||
(xorriso->do_md5 & (2 | 4))
) * 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);
isoburn_igopt_set_extensions(sopts, ext);
isoburn_igopt_set_relaxed(sopts, relax);
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, 0, 0, (uid_t) 0, (gid_t) 0);
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(image!=NULL &&
strlen(Xorriso_program_versioN)+strlen(Xorriso_timestamP)<80) {
sprintf(xorriso_id, "XORRISO-%s %s",
Xorriso_program_versioN, Xorriso_timestamP);
isoburn_version(&major, &minor, &micro);
if(strlen(xorriso_id)<80)
sprintf(xorriso_id+strlen(xorriso_id),
", LIBISOBURN-%d.%d.%d", major, minor, micro);
iso_lib_version(&major, &minor, &micro);
if(strlen(xorriso_id)<80)
sprintf(xorriso_id+strlen(xorriso_id),
", LIBISOFS-%d.%d.%d", major, minor, micro);
burn_version(&major, &minor, &micro);
if(strlen(xorriso_id)<80)
sprintf(xorriso_id+strlen(xorriso_id),
", LIBBURN-%d.%d.%d", major, minor, micro);
xorriso_id[128]= 0;
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);
}
/* 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) {
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);
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);
}
/* >>> 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(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 ex;
isoburn_igopt_get_effective_lba(sopts, &(xorriso->session_lba));
if(xorriso->do_stream_recording == 2) {
ret= isoburn_igopt_get_data_start(sopts, &data_lba);
if(ret > 0 && data_lba >= 16)
burn_write_opts_set_stream_recording(burn_options, 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);
isoburn_cancel_prepared_write(source_drive, drive, 0);
if(flag&1) /* reset queue severity */
Xorriso_set_image_severities(xorriso, 0);
goto ex;
}
ret= Xorriso_may_burn(xorriso, 0);
if(ret <= 0)
goto ex;
xorriso->run_state= 1; /* Indicate that burning has started */
isoburn_disc_write(burn_options, disc);
burn_write_opts_free(burn_options);
ret= Xorriso_pacifier_loop(xorriso, drive, pacifier_speed << 4);
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);
sprintf(xorriso->info_text,
"libburn indicates failure with writing.");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
ret= 0; goto ex;
}
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= (int) (writecounter/ (off_t) 2048);
sprintf(xorriso->info_text,
"ISO image produced: %d sectors\nWritten to media : %d sectors at LBA %d\n",
(int) (readcounter/ (off_t) 2048),
xorriso->session_blocks, 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 sucessfully.\n\n",
Text_shellsafe(xorriso->outdev,sfe,0));
Xorriso_info(xorriso, 0);
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 */;
}
if(disc!=NULL)
burn_disc_free(disc);
if(image != NULL)
iso_image_unref(image);
isoburn_igopt_destroy(&sopts, 0);
Xorriso_process_msg_queues(xorriso,0);
Xorriso_append_scdbackup_record(xorriso, 0);
return(ret);
}
int Xorriso_check_burn_abort(struct XorrisO *xorriso, int flag)
{
int ret;
struct burn_drive_info *dinfo;
struct burn_drive *drive;
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, last_sector;
struct burn_progress progress;
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;
time_t time_prediction;
start_time= Sfile_microtime(0);
while(burn_drive_get_status(drive, NULL) == BURN_DRIVE_SPAWNING)
usleep(100002);
emul= flag&15;
fract_offset= 0.2 * (double) emul - ((int) (0.2 * (double) emul));
if(emul==0)
emul= xorriso->pacifier_style;
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(drive, &progress);
if(drive_status == BURN_DRIVE_IDLE)
break;
current_time= Sfile_microtime(0);
if(drive_status == BURN_DRIVE_WRITING && progress.sectors > 0) {
if(current_time-last_time>0.2)
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, "%4d of %4d MB written",
progress.sector / 512, progress.sectors / 512);
else
sprintf(xorriso->info_text, "%4d MB written",
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>0.2)
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: %10ds %s%% ",
progress.sector, mem_text);
} else {
Sfile_scale(2048.0 * (double) progress.sector, mem_text, 5, 1e4, 1);
sprintf(xorriso->info_text, "Writing: %10ds %s ",
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>0.2)
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<12; i++) { /* 2 usleeps more than supposed to be needed */
Xorriso_process_msg_queues(xorriso, 0);
if(aborting<=0)
aborting= Xorriso_check_burn_abort(xorriso, 0);
usleep(100000);
now_time= Sfile_microtime(0);
if(((time_t) now_time) - ((time_t) current_time) >= 1 &&
now_time - ((time_t) now_time) >= fract_offset)
break;
}
}
return(1);
}
int Xorriso__read_pacifier(IsoImage *image, IsoFileSource *filesource)
{
struct XorrisO *xorriso;
xorriso= (struct XorrisO *) iso_image_get_attached_data(image);
if(xorriso==NULL)
return(1);
Xorriso_process_msg_queues(xorriso,0);
xorriso->pacifier_count++;
if(xorriso->pacifier_count%10)
return(1);
Xorriso_pacifier_callback(xorriso, "nodes read", xorriso->pacifier_count, 0,
"", 0);
return(1);
}
/* @param flag bit0=silently return 0 if no volume/image is present
*/
int Xorriso_get_volume(struct XorrisO *xorriso, IsoImage **volume,
int flag)
{
if(xorriso->in_volset_handle==NULL) {
if(flag & 1)
return(0);
Xorriso_process_msg_queues(xorriso,0);
sprintf(xorriso->info_text,"No ISO image present.");
if(xorriso->indev[0]==0 && xorriso->outdev[0]==0)
sprintf(xorriso->info_text+strlen(xorriso->info_text),
" No -dev, -indev, or -outdev selected.");
else
sprintf(xorriso->info_text+strlen(xorriso->info_text),
" Possible program error with drive '%s'.", xorriso->indev);
if(!xorriso->no_volset_present)
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
xorriso->no_volset_present= 1;
return(0);
}
*volume= (IsoImage *) xorriso->in_volset_handle;
xorriso->no_volset_present= 0;
return(*volume != NULL);
}
/* @param flag bit0=do not complain about non existent node */
int Xorriso_node_from_path(struct XorrisO *xorriso, IsoImage *volume,
char *path, IsoNode **node, int flag)
{
int ret;
char sfe[5*SfileadrL], *path_pt;
path_pt= path;
if(path[0]==0)
path_pt= "/";
if(volume == NULL) {
ret= Xorriso_get_volume(xorriso, &volume, 0);
if(ret <= 0)
return(ret);
}
*node= NULL;
ret= iso_tree_path_to_node(volume, path_pt, node);
Xorriso_process_msg_queues(xorriso,0);
if(ret<=0 || (*node)==NULL) {
if(!(flag&1)) {
sprintf(xorriso->info_text, "Cannot find path %s in loaded ISO image",
Text_shellsafe(path_pt, sfe, 0));
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
}
return(0);
}
return(1);
}
/* @param eff_path returns resulting effective path.
Must provide at least SfileadrL bytes of storage.
@param flag bit0= do not produce problem events (unless faulty path format)
bit1= work purely literally, do not use libisofs
bit2= (with bit1) this is an address in the disk world
bit3= return root directory as "/" and not as ""
bit4= (with bit2) determine type of disk file eff_path
and return 0 if not existing
bit5= (with bit3) this is not a parameter
bit6= insist in having an ISO image, even with bits1+2
@return -1 = faulty path format, 0 = not found ,
1 = found simple node , 2 = found directory
*/
int Xorriso_normalize_img_path(struct XorrisO *xorriso, char *wd,
char *img_path, char eff_path[], int flag)
{
int ret, is_dir= 0, done= 0;
IsoImage *volume;
IsoDir *dir= NULL;
IsoNode *node= NULL;
char path[SfileadrL], *apt, *npt, sfe[5*SfileadrL], *cpt;
if((flag&64) || !(flag&2)) {
ret= Xorriso_get_volume(xorriso, &volume, 0);
if(ret<=0)
return(ret);
}
eff_path[0]= 0;
if(img_path[0]==0) {
if(flag&8)
strcpy(eff_path, "/");
return(2); /* root directory */
}
apt= npt= path;
if(img_path[0]!='/') {
strcpy(path, wd);
ret= Sfile_add_to_path(path, img_path, 0);
if(ret<