488 lines
14 KiB
C
488 lines
14 KiB
C
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/* xorriso - creates, loads, manipulates and burns ISO 9660 filesystem images.
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Copyright 2007-2010 Thomas Schmitt, <scdbackup@gmx.net>
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Provided under GPL version 2 or later.
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This file contains functions which manage the relation between xorriso
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and the libraries: libburn, libisofs, libisoburn.
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*/
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#ifdef HAVE_CONFIG_H
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#include "../config.h"
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#endif
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#include <ctype.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <time.h>
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#include <errno.h>
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/* for -charset */
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#include <iconv.h>
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#include <langinfo.h>
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#include "xorriso.h"
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#include "xorriso_private.h"
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#include "xorrisoburn.h"
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#include "lib_mgt.h"
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int Xorriso_abort(struct XorrisO *xorriso, int flag)
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{
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int ret;
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ret= burn_abort(4440, burn_abort_pacifier, "xorriso : ");
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if(ret<=0) {
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fprintf(stderr,
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"\nxorriso : ABORT : Cannot cancel burn session and release drive.\n");
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return(0);
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}
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fprintf(stderr,
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"xorriso : ABORT : Drive is released and library is shut down now.\n");
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fprintf(stderr,
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"xorriso : ABORT : Program done. Even if you do not see a shell prompt.\n");
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fprintf(stderr, "\n");
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exit(1);
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}
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/* @param flag bit0= asynchronous handling (else catch thread, wait, and exit)
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*/
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int Xorriso_set_signal_handling(struct XorrisO *xorriso, int flag)
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{
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char *handler_prefix= NULL;
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if(Xorriso__get_signal_behavior(0) != 1)
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return(2);
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handler_prefix= calloc(strlen(xorriso->progname)+3+1, 1);
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if(handler_prefix==NULL) {
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sprintf(xorriso->info_text,
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"Cannot allocate memory for for setting signal handler");
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Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FATAL", 0);
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return(-1);
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}
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sprintf(handler_prefix, "%s : ", xorriso->progname);
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burn_set_signal_handling(handler_prefix, NULL, (flag & 1) * 0x30);
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free(handler_prefix);
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return(1);
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}
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int Xorriso_startup_libraries(struct XorrisO *xorriso, int flag)
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{
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int ret, major, minor, micro;
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char *queue_sev, *print_sev, reason[1024];
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struct iso_zisofs_ctrl zisofs_ctrl= {0, 6, 15};
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/* First an ugly compile time check for header version compatibility.
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If everthing matches, then no C code is produced. In case of mismatch,
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intentionally faulty C code will be inserted.
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*/
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/* The minimum requirement of xorriso towards the libisoburn header
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at compile time is defined in xorriso/xorrisoburn.h
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xorriso_libisoburn_req_major
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xorriso_libisoburn_req_minor
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xorriso_libisoburn_req_micro
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It gets compared against the version macros in libburn/libburn.h :
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isoburn_header_version_major
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isoburn_header_version_minor
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isoburn_header_version_micro
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If the header is too old then the following code shall cause failure of
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cdrskin compilation rather than to allow production of a program with
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unpredictable bugs or memory corruption.
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The compiler messages supposed to appear in this case are:
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error: 'LIBISOBURN_MISCONFIGURATION' undeclared (first use in this function)
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error: 'INTENTIONAL_ABORT_OF_COMPILATION__HEADERFILE_libisoburn_dot_h_TOO_OLD__SEE_xorrisoburn_dot_c' undeclared (first use in this function)
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error: 'LIBISOBURN_MISCONFIGURATION_' undeclared (first use in this function)
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*/
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/* The indendation is an advise of man gcc to help old compilers ignoring */
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#if xorriso_libisoburn_req_major > isoburn_header_version_major
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#define Isoburn_libisoburn_dot_h_too_olD 1
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#endif
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#if xorriso_libisoburn_req_major == isoburn_header_version_major && xorriso_libisoburn_req_minor > isoburn_header_version_minor
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#define Isoburn_libisoburn_dot_h_too_olD 1
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#endif
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#if xorriso_libisoburn_req_minor == isoburn_header_version_minor && xorriso_libisoburn_req_micro > isoburn_header_version_micro
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#define Isoburn_libisoburn_dot_h_too_olD 1
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#endif
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#ifdef Isoburn_libisoburn_dot_h_too_olD
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LIBISOBURN_MISCONFIGURATION = 0;
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INTENTIONAL_ABORT_OF_COMPILATION__HEADERFILE_libisoburn_dot_h_TOO_OLD__SEE_xorrisoburn_dot_c = 0;
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LIBISOBURN_MISCONFIGURATION_ = 0;
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#endif
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/* End of ugly compile time test (scroll up for explanation) */
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reason[0]= 0;
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ret= isoburn_initialize(reason, 0);
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if(ret==0) {
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sprintf(xorriso->info_text, "Cannot initialize libraries");
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if(reason[0])
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sprintf(xorriso->info_text+strlen(xorriso->info_text),
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". Reason given:\n%s", reason);
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Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FATAL", 0);
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return(0);
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}
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ret= isoburn_is_compatible(isoburn_header_version_major,
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isoburn_header_version_minor,
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isoburn_header_version_micro, 0);
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if(ret<=0) {
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isoburn_version(&major, &minor, µ);
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sprintf(xorriso->info_text,
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"libisoburn version too old: %d.%d.%d . Need at least: %d.%d.%d .\n",
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major, minor, micro,
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isoburn_header_version_major, isoburn_header_version_minor,
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isoburn_header_version_micro);
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Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FATAL", 0);
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return(-1);
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}
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xorriso->libs_are_started= 1;
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queue_sev= "ALL";
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if(xorriso->library_msg_direct_print) {
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/* >>> need option for controlling this in XorrisO.
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See also Xorriso_msgs_submit */;
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print_sev= xorriso->report_about_text;
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} else
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print_sev= "NEVER";
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iso_set_msgs_severities(queue_sev, print_sev, "libsofs : ");
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burn_msgs_set_severities(queue_sev, print_sev, "libburn : ");
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/* ??? >>> do we want united queues ? */
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/* burn_set_messenger(iso_get_messenger()); */
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isoburn_set_msgs_submit(Xorriso_msgs_submit_void, (void *) xorriso,
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(3<<2) | 128 , 0);
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ret= Xorriso_set_signal_handling(xorriso, 0);
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if(ret <= 0)
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return(ret);
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ret = iso_zisofs_get_params(&zisofs_ctrl, 0);
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if (ret == 1) {
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xorriso->zisofs_block_size= xorriso->zisofs_block_size_default=
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(1 << zisofs_ctrl.block_size_log2);
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xorriso->zlib_level= xorriso->zlib_level_default=
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zisofs_ctrl.compression_level;
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}
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Xorriso_process_msg_queues(xorriso,0);
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if(reason[0]) {
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sprintf(xorriso->info_text, "%s", reason);
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Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "DEBUG", 0);
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}
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strcpy(xorriso->info_text, "Using ");
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strncat(xorriso->info_text, burn_scsi_transport_id(0), 1024);
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Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "DEBUG", 0);
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return(1);
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}
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/* @param flag bit0= global shutdown of libraries */
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int Xorriso_detach_libraries(struct XorrisO *xorriso, int flag)
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{
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Xorriso_give_up_drive(xorriso, 3);
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if(xorriso->in_volset_handle!=NULL) { /* standalone image */
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iso_image_unref((IsoImage *) xorriso->in_volset_handle);
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xorriso->in_volset_handle= NULL;
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Sectorbitmap_destroy(&(xorriso->in_sector_map), 0);
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Xorriso_destroy_di_array(xorriso, 0);
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Xorriso_destroy_hln_array(xorriso, 0);
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}
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if(flag&1) {
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if(xorriso->libs_are_started==0)
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return(0);
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isoburn_finish();
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}
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return(1);
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}
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/* @param flag bit0= suppress messages below UPDATE
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bit1= suppress messages below FAILURE
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*/
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int Xorriso_set_image_severities(struct XorrisO *xorriso, int flag)
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{
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char *queue_sev, *print_sev;
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if(flag&2)
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queue_sev= "FAILURE";
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else if(flag&1)
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queue_sev= "UPDATE";
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else
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queue_sev= "ALL";
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if(xorriso->library_msg_direct_print)
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print_sev= xorriso->report_about_text;
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else
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print_sev= "NEVER";
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iso_set_msgs_severities(queue_sev, print_sev, "libisofs : ");
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return(1);
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}
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/* @param flag bit0=prepare for a burn run */
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int Xorriso_set_abort_severity(struct XorrisO *xorriso, int flag)
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{
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int ret, abort_on_number;
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char *sev_text;
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static int note_number= -1, failure_number= -1;
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if(note_number==-1)
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Xorriso__text_to_sev("NOTE", ¬e_number, 0);
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if(failure_number==-1)
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Xorriso__text_to_sev("FAILURE", &failure_number, 0);
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sev_text= xorriso->abort_on_text;
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ret= Xorriso__text_to_sev(xorriso->abort_on_text, &abort_on_number, 0);
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if(ret<=0)
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return(ret);
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if(abort_on_number<note_number)
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sev_text= "NOTE";
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else if(abort_on_number>failure_number)
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sev_text= "FAILURE";
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ret= iso_set_abort_severity(sev_text);
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return(ret>=0);
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}
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int Xorriso_report_lib_versions(struct XorrisO *xorriso, int flag)
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{
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int major, minor, micro;
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int req_major, req_minor, req_micro;
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iso_lib_version(&major, &minor, µ);
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isoburn_libisofs_req(&req_major, &req_minor, &req_micro);
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sprintf(xorriso->result_line,
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"libisofs in use : %d.%d.%d (min. %d.%d.%d)\n",
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major, minor, micro, req_major, req_minor, req_micro);
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Xorriso_result(xorriso, 0);
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burn_version(&major, &minor, µ);
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isoburn_libburn_req(&req_major, &req_minor, &req_micro);
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sprintf(xorriso->result_line,
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"libburn in use : %d.%d.%d (min. %d.%d.%d)\n",
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major, minor, micro, req_major, req_minor, req_micro);
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Xorriso_result(xorriso, 0);
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strcpy(xorriso->result_line, "libburn OS adapter: ");
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strncat(xorriso->result_line, burn_scsi_transport_id(0), 1024);
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strcat(xorriso->result_line, "\n");
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Xorriso_result(xorriso, 0);
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isoburn_version(&major, &minor, µ);
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sprintf(xorriso->result_line,
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"libisoburn in use : %d.%d.%d (min. %d.%d.%d)\n",
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major, minor, micro,
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isoburn_header_version_major, isoburn_header_version_minor,
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isoburn_header_version_micro);
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Xorriso_result(xorriso, 0);
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return(1);
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}
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int Xorriso__sev_to_text(int severity, char **severity_name,
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int flag)
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{
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int ret;
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ret= iso_sev_to_text(severity, severity_name);
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if(ret>0)
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return(ret);
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ret= burn_sev_to_text(severity, severity_name, 0);
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if(ret>0)
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return(ret);
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*severity_name= "";
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return(0);
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}
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int Xorriso__text_to_sev(char *severity_name, int *severity_number, int flag)
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{
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int ret= 1;
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ret= iso_text_to_sev(severity_name, severity_number);
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if(ret>0)
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return(ret);
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ret= burn_text_to_sev(severity_name, severity_number, 0);
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return(ret);
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}
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/* @param flag bit0= report libisofs error text
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bit1= victim is disk_path
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bit2= do not inquire libisofs, report msg_text and min_severity
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*/
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int Xorriso_report_iso_error(struct XorrisO *xorriso, char *victim,
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int iso_error_code, char msg_text[], int os_errno,
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char min_severity[], int flag)
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{
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int error_code, iso_sev, min_sev, ret;
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char *sev_text_pt, *msg_text_pt= NULL;
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char sfe[6*SfileadrL];
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static int sorry_sev= -1;
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if(sorry_sev<0)
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Xorriso__text_to_sev("SORRY", &sorry_sev, 0);
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if(flag&4) {
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error_code= 0x00050000;
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Xorriso__text_to_sev(min_severity, &iso_sev, 0);
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} else {
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error_code= iso_error_get_code(iso_error_code);
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if(error_code < 0x00030000 || error_code >= 0x00040000)
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error_code= (error_code & 0xffff) | 0x00050000;
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if(flag&1)
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msg_text_pt= (char *) iso_error_to_msg(iso_error_code);
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iso_sev= iso_error_get_severity(iso_error_code);
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}
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if(msg_text_pt==NULL)
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msg_text_pt= msg_text;
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if(iso_sev >= sorry_sev && (flag & 2) && victim[0])
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Xorriso_msgs_submit(xorriso, 0, victim, 0, "ERRFILE", 0);
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sev_text_pt= min_severity;
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Xorriso__text_to_sev(min_severity, &min_sev, 0);
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if(min_sev < iso_sev && !(flag&4))
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Xorriso__sev_to_text(iso_sev, &sev_text_pt, 0);
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strcpy(sfe, msg_text_pt);
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if(victim[0]) {
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strcat(sfe, ": ");
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Text_shellsafe(victim, sfe+strlen(sfe), 0);
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}
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ret= Xorriso_msgs_submit(xorriso, error_code, sfe, os_errno, sev_text_pt, 4);
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return(ret);
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}
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int Xorriso_get_local_charset(struct XorrisO *xorriso, char **name, int flag)
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{
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(*name)= iso_get_local_charset(0);
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return(1);
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}
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int Xorriso_set_local_charset(struct XorrisO *xorriso, char *name, int flag)
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{
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int ret;
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char *nl_charset, sfe[5 * SfileadrL];
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iconv_t iconv_ret= (iconv_t) -1;
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nl_charset= nl_langinfo(CODESET);
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if(name == NULL)
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name= nl_charset;
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if(name != NULL) {
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iconv_ret= iconv_open(nl_charset, name);
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if(iconv_ret == (iconv_t) -1)
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goto cannot;
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else
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iconv_close(iconv_ret);
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}
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ret= iso_set_local_charset(name, 0);
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if(ret <= 0) {
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cannot:;
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sprintf(xorriso->info_text,
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"-local_charset: Cannot assume as local character set: %s",
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Text_shellsafe(name, sfe, 0));
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Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
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return(0);
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}
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sprintf(xorriso->info_text, "Local character set is now assumed as: %s",
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Text_shellsafe(name, sfe, 0));
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Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0);
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return(1);
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}
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int Xorriso_process_msg_queues(struct XorrisO *xorriso, int flag)
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{
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int ret, error_code= 0, os_errno= 0, count= 0, pass, imgid, tunneled;
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char severity[80];
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if(!xorriso->libs_are_started)
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return(1);
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for(pass= 0; pass< 2; pass++) {
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while(1) {
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tunneled= 0;
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if(pass==0)
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ret= iso_obtain_msgs("ALL", &error_code, &imgid,
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xorriso->info_text, severity);
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else {
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ret= burn_msgs_obtain("ALL", &error_code, xorriso->info_text, &os_errno,
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severity);
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if((error_code>=0x00030000 && error_code<0x00040000) ||
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(error_code>=0x00050000 && error_code<0x00060000))
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tunneled= -1; /* "libisofs:" */
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else if(error_code>=0x00060000 && error_code<0x00070000)
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tunneled= 1; /* "libisoburn:" */
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}
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if(ret<=0)
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break;
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/* <<< tunneled MISHAP from libisoburn through libburn
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or well known error codes of MISHAP events
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With libburn-0.4.4 this is not necessary */
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if(error_code==0x5ff73 || error_code==0x3ff73 ||
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error_code==0x3feb9 || error_code==0x3feb2)
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strcpy(severity, "MISHAP");
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else if(error_code==0x51001)
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strcpy(severity, "ERRFILE");
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Xorriso_msgs_submit(xorriso, error_code, xorriso->info_text, os_errno,
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severity, ((pass+tunneled)+1)<<2);
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count++;
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}
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}
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if(xorriso->library_msg_direct_print && count>0) {
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sprintf(xorriso->info_text," (%d library messages repeated by xorriso)\n",
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count);
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|
Xorriso_info(xorriso, 0);
|
|
}
|
|
return(1);
|
|
}
|
|
|
|
|
|
int Xorriso_md5_start(struct XorrisO *xorriso, void **ctx, int flag)
|
|
{
|
|
int ret;
|
|
|
|
ret= iso_md5_start(ctx);
|
|
if(ret == 1)
|
|
return(1);
|
|
Xorriso_no_malloc_memory(xorriso, NULL, 0);
|
|
return(-1);
|
|
}
|
|
|
|
|
|
int Xorriso_md5_compute(struct XorrisO *xorriso, void *ctx,
|
|
char *data, int datalen, int flag)
|
|
{
|
|
iso_md5_compute(ctx, data, datalen);
|
|
return(1);
|
|
}
|
|
|
|
|
|
int Xorriso_md5_end(struct XorrisO *xorriso, void **ctx, char md5[16],
|
|
int flag)
|
|
{
|
|
int ret;
|
|
|
|
ret= iso_md5_end(ctx, md5);
|
|
Xorriso_process_msg_queues(xorriso,0);
|
|
if(ret <= 0)
|
|
return(0);
|
|
return(1);
|
|
}
|
|
|