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legacy/libisoburn/trunk/xorriso/base_obj.c

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/* xorriso - creates, loads, manipulates and burns ISO 9660 filesystem images.
Copyright 2007-2010 Thomas Schmitt, <scdbackup@gmx.net>
Provided under GPL version 2 or later.
This file contains functions which are needed to read data
from ISO image.
*/
#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 <stdint.h>
/* >>> later change this to Xorriso_standalonE */
#ifdef Xorriso_jte_standalonE
#ifdef Xorriso_with_libjtE
#include "../libjte/libjte.h"
#endif
#else
#ifdef Xorriso_with_libjtE
#include <libjte/libjte.h>
#endif
#endif /* ! Xorriso_jte_standalonE */
#include "xorriso.h"
#include "xorriso_private.h"
#include "base_obj.h"
#include "lib_mgt.h"
/* See Xorriso__preset_signal_behavior() */
static int Xorriso_signal_behavioR= 1;
void Xorriso__version(int *major, int *minor, int *micro)
{
*major= Xorriso_header_version_majoR;
*minor= Xorriso_header_version_minoR;
*micro= Xorriso_header_version_micrO;
}
int Xorriso__is_compatible(int major, int minor, int micro, int flag)
{
int own_major, own_minor, own_micro;
Xorriso__version(&own_major, &own_minor, &own_micro);
return(own_major > major ||
(own_major == major && (own_minor > minor ||
(own_minor == minor && own_micro >= micro))));
}
char *Xorriso__get_patch_level_text(int flag)
{
return(Xorriso_program_patch_leveL);
}
/** The list of startup file names */
#define Xorriso_rc_nuM 4
static char Xorriso_sys_rc_nameS[Xorriso_rc_nuM][80]= {
"/etc/default/xorriso",
"/etc/opt/xorriso/rc",
"/etc/xorriso/xorriso.conf",
"placeholder for $HOME/.xorrisorc"
};
int Xorriso_new(struct XorrisO ** xorriso,char *progname, int flag)
{
int i, ret;
struct XorrisO *m;
char leafname[SfileadrL];
*xorriso= m= TSOB_FELD(struct XorrisO,1);
if(m==NULL)
return(-1);
m->libs_are_started= 0;
strncpy(m->progname,progname,sizeof(m->progname)-1);
m->progname[sizeof(m->progname)-1]= 0;
if(getcwd(m->initial_wdx,sizeof(m->initial_wdx)-1)==NULL)
m->initial_wdx[0]= 0;
m->no_rc= 0;
m->argument_emulation= 0;
m->rc_filename_count= Xorriso_rc_nuM;
for(i=0;i<m->rc_filename_count-1;i++)
strcpy(m->rc_filenames[i],Xorriso_sys_rc_nameS[i]);
m->rc_filenames[m->rc_filename_count-1][0]= 0;
m->mkisofsrc_done= 0;
m->wdi[0]= 0;
strcpy(m->wdx, m->initial_wdx);
m->did_something_useful= 0;
m->add_plainly= 0;
m->split_size= 0;
strcpy(m->list_delimiter, "--");
m->ino_behavior= 7;
m->do_joliet= 0;
m->do_aaip= 0;
m->do_md5= 0;
m->no_emul_toc= 0;
m->scdbackup_tag_name[0]= 0;
m->scdbackup_tag_time[0]= 0;
m->scdbackup_tag_written[0]= 0;
m->scdbackup_tag_listname[0]= 0;
m->relax_compliance= 0;
m->do_follow_pattern= 1;
m->do_follow_param= 0;
m->do_follow_links= 0;
m->follow_link_limit= 100;
m->do_follow_mount= 1;
m->do_global_uid= 0;
m->global_uid= 0;
strcpy(m->volid, "ISOIMAGE");
m->volid_default= 1;
m->loaded_volid[0]= 0;
m->assert_volid[0]= 0;
m->assert_volid_sev[0]= 0;
m->preparer_id[0]= 0;
m->publisher[0]= 0;
m->application_id[0]= 0;
m->system_id[0]= 0;
m->volset_id[0]= 0;
m->copyright_file[0]= 0;
m->biblio_file[0]= 0;
m->abstract_file[0]= 0;
m->session_logfile[0]= 0;
m->session_lba= -1;
m->session_blocks= 0;
m->do_global_gid= 0;
m->global_gid= 0;
m->do_global_mode= 0;
m->global_dir_mode= 0555;
m->global_file_mode= 0444;
m->filters= NULL;
m->filter_list_closed= 0;
m->zlib_level_default= m->zlib_level= 6;
m->zisofs_block_size= m->zisofs_block_size_default= (1 << 15);
m->zisofs_by_magic= 0;
m->do_overwrite= 2;
m->do_reassure= 0;
m->drive_blacklist= NULL;
m->drive_greylist= NULL;
m->drive_whitelist= NULL;
m->toc_emulation_flag= 0;
m->image_start_mode= 0;
m->image_start_value[0]= 0;
m->drives_exclusive= 1;
m->do_calm_drive= 1;
m->indev[0]= 0;
m->in_drive_handle= NULL;
m->in_volset_handle= NULL;
m->in_charset= NULL;
m->isofs_st_out= time(0) - 1;
m->indev_is_exclusive= 1;
m->isofs_st_in= 0;
m->volset_change_pending= 0;
m->no_volset_present= 0;
m->in_sector_map= NULL;
m->check_media_default= NULL;
m->check_media_bad_limit= Xorriso_read_quality_invaliD;
m->outdev[0]= 0;
m->out_drive_handle= NULL;
m->out_charset= NULL;
m->dev_fd_1= -1;
m->outdev_is_exclusive= 1;
m->grow_blindly_msc2= -1;
m->ban_stdio_write= 0;
m->do_dummy= 0;
m->do_close= 0;
m->speed= 0;
m->fs= 4*512; /* 4 MiB */
m->padding= 300*1024;
m->alignment= 0;
m->do_stream_recording= 0;
m->dvd_obs= 0;
m->stdio_sync= 0;
m->keep_boot_image= 0;
m->boot_image_cat_path[0]= 0;
m->boot_image_cat_hidden= 0;
m->boot_count= 0;
m->boot_platform_id= 0x00; /* El Torito Boot Catalog Platform ID: 0 = 80x86 */
m->patch_isolinux_image= 0;
m->boot_image_bin_path[0]= 0;
m->boot_image_bin_form[0]= 0;
m->boot_image_emul= 0;
m->boot_image_load_size= 4 * 512; /* hearsay out of libisofs/demo/iso.c */
memset(m->boot_id_string, 0, sizeof(m->boot_id_string));
memset(m->boot_selection_crit, 0, sizeof(m->boot_selection_crit));
#ifdef Xorriso_with_isohybriD
m->boot_image_isohybrid= 1;
#else
m->boot_image_isohybrid= 0;
#endif
m->boot_efi_default= 0;
m->system_area_disk_path[0]= 0;
m->system_area_options= 0;
m->patch_system_area= 0;
m->partition_offset= 0;
m->partition_secs_per_head= 0;
m->partition_heads_per_cyl= 0;
m->vol_creation_time= 0;
m->vol_modification_time= 0;
m->vol_expiration_time= 0;
m->vol_effective_time= 0;
m->vol_uuid[0]= 0;
#ifdef Xorriso_with_libjtE
m->libjte_handle= NULL;
#endif
m->jigdo_params= NULL;
m->jigdo_values= NULL;
m->loaded_boot_bin_lba= 0;
m->loaded_boot_cat_path[0]= 0;
m->allow_graft_points= 0;
m->allow_restore= 0;
m->do_concat_split= 1;
m->do_auto_chmod= 0;
m->do_restore_sort_lba= 0;
m->dialog= 0;
m->bsl_interpretation= 0;
m->search_mode= 0;
m->structured_search= 1;
m->do_iso_rr_pattern= 1;
m->do_disk_pattern= 2;
m->temp_mem_limit= 16*1024*1024;
m->file_size_limit= Xorriso_default_file_size_limiT;
m->disk_exclusions= NULL;
m->iso_rr_hidings= NULL;
m->joliet_hidings= NULL;
m->disk_excl_mode= 1;
m->use_stdin= 0;
m->result_page_length= 0;
m->result_page_width= 80;
m->mark_text[0]= 0;
m->packet_output= 0;
for(i=0; i<4; i++) {
m->logfile[i][0]= 0;
m->logfile_fp[i]= NULL;
}
m->pktlog_fp= NULL;
for(i= 0; i < Xorriso_max_outlist_stacK; i++) {
m->result_msglists[i]= NULL;
m->info_msglists[i]= NULL;
m->msglist_flags[i]= 0;
}
m->msglist_stackfill= 0;
m->status_history_max= Xorriso_status_history_maX;
m->scsi_log= 0;
strcpy(m->report_about_text, "UPDATE");
Xorriso__text_to_sev(m->report_about_text, &m->report_about_severity, 0);
m->library_msg_direct_print= 0;
strcpy(m->abort_on_text,"FATAL");
Xorriso__text_to_sev(m->abort_on_text, &m->abort_on_severity, 0);
m->problem_status= 0;
m->problem_status_text[0]= 0;
m->errfile_log[0]= 0;
m->errfile_mode= 0;
m->errfile_fp= NULL;
m->img_read_error_mode= 2; /* abort faulty image reading with FATAL */
m->extract_error_mode= 1; /* keep extracted files after read error */
strcpy(m->return_with_text, "SORRY");
Xorriso__text_to_sev(m->return_with_text, &m->return_with_severity, 0);
m->return_with_value= 32;
m->eternal_problem_status= 0;
m->eternal_problem_status_text[0]= 0;
m->re= NULL;
/* >>> ??? how to initialize m->match[0] ? */
m->re_constants= NULL;
m->re_count= 0;
m->re_fill= 0;
m->reg_expr[0]= 0;
m->run_state= 0;
m->is_dialog= 0;
m->bar_is_fresh= 0;
m->pending_option[0]= 0;
m->request_to_abort= 0;
m->request_not_to_ask= 0;
m->idle_time= 0.0;
m->re_failed_at= -1;
m->prepended_wd= 0;
m->insert_count= 0;
m->insert_bytes= 0;
m->error_count= 0;
m->pacifier_style= 0;
m->pacifier_interval= 1.0;
m->pacifier_count= 0;
m->pacifier_total= 0;
m->pacifier_byte_count= 0;
m->pacifier_fifo= NULL;
m->start_time= 0.0;
m->last_update_time= 0.0;
m->find_compare_result= 1;
m->find_check_md5_result= 0;
m->node_counter= 0;
m->node_array_size= 0;
m->node_array= NULL;
m->node_disk_prefixes= NULL;
m->node_img_prefixes= NULL;
m->hln_count= 0;
m->hln_array= NULL;
m->hln_targets= NULL;
m->hln_change_pending= 0;
m->di_do_widen= NULL;
m->di_disk_paths= NULL;
m->di_iso_paths= NULL;
m->node_targets_availmem= 0;
m->di_count= 0;
m->di_array= NULL;
m->perm_stack= NULL;
m->result_line[0]= 0;
m->result_line_counter= 0;
m->result_page_counter= 0;
m->result_open_line_len= 0;
m->info_text[0]= 0;
ret= Sfile_leafname(progname, leafname, 0);
if(ret<=0)
goto failure;
if(strcmp(leafname, "osirrox")==0) {
m->allow_restore= 1;
m->drives_exclusive= 0;
} else if(strcmp(leafname, "xorrisofs")==0 || strcmp(leafname, "genisofs")==0 ||
strcmp(leafname, "mkisofs")==0 || strcmp(leafname, "genisoimage")==0) {
m->argument_emulation= 1;
m->pacifier_style= 1;
Xorriso_protect_stdout(*xorriso, 0);
} else if(strcmp(leafname, "xorrecord")==0 || strcmp(leafname, "wodim")==0 ||
strcmp(leafname, "cdrecord")==0 || strcmp(leafname, "cdrskin")==0) {
m->argument_emulation= 2;
m->pacifier_style= 2;
}
ret= Exclusions_new(&(m->disk_exclusions), 0);
if(ret<=0)
goto failure;
ret= Exclusions_new(&(m->iso_rr_hidings), 0);
if(ret<=0)
goto failure;
ret= Exclusions_new(&(m->joliet_hidings), 0);
if(ret<=0)
goto failure;
Xorriso_relax_compliance(m, "default", 0);
ret= Xorriso_lst_new(&(m->drive_greylist), "/dev", m->drive_greylist, 1);
if(ret <= 0)
goto failure;
Xorriso_preparer_string(m, m->preparer_id, 1); /* avoids library calls */
return(1);
failure:;
Xorriso_destroy(xorriso, 0);
return(-1);
}
int Xorriso_destroy_re(struct XorrisO *m, int flag)
{
int i;
if(m->re!=NULL) {
for(i=0;i<m->re_fill;i++) {
if(m->re_constants!=NULL)
if(m->re_constants[i]!=NULL)
continue; /* ,->re[i] was never subject to regcomp() */
regfree(&(m->re[i]));
}
free((char *) m->re);
m->re= NULL;
}
if(m->re_constants!=NULL) {
for(i=0;i<m->re_fill;i++)
if(m->re_constants[i]!=NULL)
free(m->re_constants[i]);
free((char *) m->re_constants);
m->re_constants= NULL;
}
m->re_count= 0;
m->re_fill= 0;
return(1);
}
/* @param flag bit0= global shutdown of libraries */
int Xorriso_destroy(struct XorrisO **xorriso, int flag)
{
struct XorrisO *m;
m= *xorriso;
if(m==NULL)
return(0);
if(m->in_charset!=NULL)
free(m->in_charset);
if(m->out_charset!=NULL)
free(m->out_charset);
Xorriso_destroy_re(m,0);
Exclusions_destroy(&(m->disk_exclusions), 0);
Exclusions_destroy(&(m->iso_rr_hidings), 0);
Exclusions_destroy(&(m->joliet_hidings), 0);
Xorriso_destroy_all_extf(m, 0);
Xorriso_lst_destroy_all(&(m->drive_blacklist), 0);
Xorriso_lst_destroy_all(&(m->drive_greylist), 0);
Xorriso_lst_destroy_all(&(m->drive_whitelist), 0);
Xorriso_destroy_node_array(m, 0);
Xorriso_destroy_hln_array(m, 0);
Xorriso_destroy_di_array(m, 0);
#ifdef Xorriso_with_libjtE
if(m->libjte_handle)
libjte_destroy(&(m->libjte_handle));
#endif
Xorriso_lst_destroy_all(&(m->jigdo_params), 0);
Xorriso_lst_destroy_all(&(m->jigdo_values), 0);
Xorriso_detach_libraries(m, flag&1);
free((char *) m);
*xorriso= NULL;
return(1);
}
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__preset_signal_behavior(int behavior, int flag)
{
if(behavior < 0 || behavior > 1)
return(0);
Xorriso_signal_behavioR= behavior;
return(1);
}
int Xorriso__get_signal_behavior(int flag)
{
return(Xorriso_signal_behavioR);
}
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