Reporting some relaxation commands with -report_el_torito modes "cmd" and "mkisofs" if CHRP is detected. Performing them with -boot_image any "replay".

xorriso/drive_mgt.c

@@ -240,6 +240,8 @@ ex:;
 }
 
 
+/* @param flag bit0= no info message "Loading ISO image tree"
+*/
 int Xorriso_make_read_options(struct XorrisO *xorriso,
                               struct burn_drive *drive,
                               struct isoburn_read_opts **ropts,
@@ -311,7 +313,7 @@ int Xorriso_make_read_options(struct XorrisO *xorriso,
  state= isoburn_disc_get_status(drive);
  if(state != BURN_DISC_BLANK) {
    ret= isoburn_disc_get_msc1(drive, &load_lba);
-   if(ret > 0) {
+   if(ret > 0 && !(flag & 1)) {
      sprintf(xorriso->info_text,
              "Loading ISO image tree from LBA %d", load_lba);
      Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "NOTE", 0); 
@@ -3865,6 +3867,8 @@ int Xorriso_feature_to_cmd(struct XorrisO *xorriso, char *name, char *value,
 }
 
 
+/* @param flag bit0= do not print xorriso->result_line, but accumulate it
+*/
 int Xorriso_assess_written_features(struct XorrisO *xorriso, char *mode,
                                     int flag)
 {
@@ -3876,11 +3880,16 @@ int Xorriso_assess_written_features(struct XorrisO *xorriso, char *mode,
  IsoReadImageFeatures *features= NULL;
  struct isoburn_imgen_opts *imgen_opts= NULL; 
  char *ftext= NULL, *cpt, *npt, *ept, *prev_line= NULL, *cmd_line= NULL;
+ char *result_acc= NULL;
  static char *tree_loaded_names[3]= {"ISO9660", "Joliet", "ISO9660:1999"};
  int tree_loaded_names_max= 2;
 
  Xorriso_alloc_meM(prev_line, char, max_line_size);
  Xorriso_alloc_meM(cmd_line, char, max_line_size);
+ if(flag & 1) {
+   Xorriso_alloc_meM(result_acc, char, 10 * SfileadrL);
+   result_acc[0]= 0;
+ }
  prev_line[0]= 0;
  ret= Xorriso_get_drive_handles(xorriso, &dinfo, &drive,
                                 "when assessing written features", 0);
@@ -3892,7 +3901,7 @@ int Xorriso_assess_written_features(struct XorrisO *xorriso, char *mode,
        "The disc in the input drive offers no readable content", 0, "NOTE", 0);
    ret= 2; goto ex;
  }
- ret= Xorriso_make_read_options(xorriso, drive, &ropts, 0);
+ ret= Xorriso_make_read_options(xorriso, drive, &ropts, 1);
  if(ret <= 0)
    goto ex;
  ret = isoburn_assess_written_features(drive, ropts, &features, &imgen_opts,
@@ -3962,9 +3971,14 @@ int Xorriso_assess_written_features(struct XorrisO *xorriso, char *mode,
      replay_count++;
    } else {
      strcat(xorriso->result_line, "\n");
+     if(flag & 1) {
+       if(strlen(result_acc) + strlen(xorriso->result_line) < 10 * SfileadrL)
+         strcat(result_acc, xorriso->result_line);
+     } else {
        Xorriso_result(xorriso, 0);
      }
    }
+ }
 
  if(strcmp(mode, "replay") == 0) {
    sprintf(xorriso->info_text,
@@ -3972,6 +3986,8 @@ int Xorriso_assess_written_features(struct XorrisO *xorriso, char *mode,
                               replay_count);
    Xorriso_info(xorriso, 0);
  }
+ if(flag & 1)
+   strcpy(xorriso->result_line, result_acc);
  ret= 1;
 ex:;
  Xorriso_process_msg_queues(xorriso,0);
@@ -3982,6 +3998,7 @@ ex:;
  if(imgen_opts != NULL)
    isoburn_igopt_destroy(&imgen_opts, 0);
  Xorriso_free_meM(ftext);
+ Xorriso_free_meM(result_acc);
  Xorriso_free_meM(cmd_line);
  Xorriso_free_meM(prev_line);
  return(ret);

xorriso/iso_img.c

@@ -1703,7 +1703,8 @@ static int Xorriso_scan_report_lines(struct XorrisO *xorriso,
  int was_force_bootable= 0, have_mbr_force_bootable= 0;
  uint64_t gpt_bheader_block= 0, start_block, num_blocks;
  uint64_t img_blocks= 0, iso_part_blocks;
- char *cpt;
+ char *cpt, *npt, *ftext;
+ int ftext_l, l;
  unsigned char bin_data[8];
  uint64_t gpt_part_flags;
  int was_gpt_iso_bootable= 0, was_gpt_iso_not_ro= 0, bin_count;
@@ -2086,6 +2087,61 @@ static int Xorriso_scan_report_lines(struct XorrisO *xorriso,
          sprintf(buf, "-chrp-boot-part ");
        else
          sprintf(buf, "-boot_image any chrp_boot_part=on ");
+       Xorriso_record_cmd_linE
+       buf[0]= 0;
+       ret= Xorriso_assess_written_features(xorriso,
+                                            mkisofs ? "as_mkisofs" : "cmd", 1);
+       if(ret > 0) {
+         ftext= xorriso->result_line;
+         ftext_l= strlen(ftext);
+         for(cpt= ftext ; cpt - ftext < ftext_l ; cpt+= l + 1) {
+           npt= strchr(cpt, '\n');
+           if(npt == NULL)
+             l= strlen(cpt);
+           else
+             l= npt - cpt;
+           cpt[l]= 0;
+           /* Only forward relaxations of ISO 9660 defaults, plus no RR */
+           if(mkisofs) {
+             if(strcmp(cpt, "-iso-level 2") != 0 &&
+                strcmp(cpt, "-iso-level 3") != 0 &&
+                strcmp(cpt, "--norock") != 0 &&
+                strncmp(cpt, "-untranslated_name_len", 22) != 0 &&
+                strcmp(cpt, "-N") != 0 &&
+                strcmp(cpt, "-D") != 0 &&
+                strcmp(cpt, "-U") != 0 &&
+                strcmp(cpt, "-max-iso9660-filenames") != 0 &&
+                strcmp(cpt, "-d") != 0 &&
+                strcmp(cpt, "-allow-lowercase") != 0)
+         continue;
+           } else {
+             /* (Do not forward iso_9660_level because 3 is default and the
+                 user possibly had reasons to lower it) */
+             if(strcmp(cpt, "-rockridge off") != 0 &&
+                strncmp(cpt, "-compliance untranslated_name_len=", 34) != 0 &&
+                strcmp(cpt, "-compliance omit_version_off:only_iso_version")
+                       != 0 &&
+                strcmp(cpt, "-compliance omit_version:only_iso_version_off")
+                       != 0 &&
+                strcmp(cpt, "-compliance deep_paths") != 0 &&
+                strcmp(cpt, "-compliance long_paths") != 0 &&
+                strcmp(cpt, "-compliance full_ascii") != 0 &&
+                strcmp(cpt, "-compliance long_names") != 0 &&
+                strncmp(cpt, "-compliance no_force_dots:", 26) != 0 &&
+                strcmp(cpt, "-compliance lowercase") != 0)
+         continue;
+             if(strcmp(cpt, "-compliance untranslated_name_len=0") == 0)
+         continue;
+           }
+           if(strncmp(cpt, "-compliance untranslated_name_len=", 34) == 0) {
+             /* Better allow the maximum if it is reported as non-0 */
+             strcpy(buf, "-compliance untranslated_name_len=96");
+           } else {
+             strcpy(buf, cpt);
+           }
+           Xorriso_record_cmd_linE
+         }
+       }
      }
 
    } else if(strcmp(name, "System area summary:") == 0) {

xorriso/xorriso.1

@@ -9,7 +9,7 @@
 .\" First parameter, NAME, should be all caps
 .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
 .\" other parameters are allowed: see man(7), man(1)
-.TH XORRISO 1 "Version 1.5.5, Sep 18, 2022"
+.TH XORRISO 1 "Version 1.5.5, Oct 06, 2022"
 .\" Please adjust this date whenever revising the manpage.
 .\"
 .\" Some roff macros, for reference:
@@ -4586,6 +4586,14 @@ Mode \fBas_mkisofs\fR tries to print the \fBxorriso \-as mkisofs\fR
 options, which are necessary to produce the found equipment.
 The intended use case is to use the mounted filesystem as input tree
 together with the printed options.
+.br
+If CHRP equipment is detected, then modes \fBcmd\fR and \fBas_mkisofs\fR
+issue some of the relaxation commands or options which get detected by
+command \fB\-assess_indev_features\fR. This happens because CHRP firmware
+reads file paths from file /ppc/bootinfo.txt and tries to find them
+case\-insensitively in the ECMA\-119 tree without using Rock Ridge. If such a
+path has actually forbidden properties, like the name "powerpc\-ieee1275", then
+the relaxations are needed to bring it unmangled into the ECMA\-119 tree.
 .TP
 \fB\-report_system_area\fR mode
 With mode \fBplain\fR print a report about the information found in

xorriso/xorriso.info

@@ -3857,6 +3857,14 @@ File: xorriso.info,  Node: Inquiry,  Next: Navigate,  Prev: DialogCtl,  Up: Comm
      which are necessary to produce the found equipment.  The intended
      use case is to use the mounted filesystem as input tree together
      with the printed options.
+     If CHRP equipment is detected, then modes *cmd* and *as_mkisofs*
+     issue some of the relaxation commands or options which get detected
+     by command *-assess_indev_features*.  This happens because CHRP
+     firmware reads file paths from file /ppc/bootinfo.txt and tries to
+     find them case-insensitively in the ECMA-119 tree without using
+     Rock Ridge.  If such a path has actually forbidden properties, like
+     the name "powerpc-ieee1275", then the relaxations are needed to
+     bring it unmangled into the ECMA-119 tree.
 -report_system_area mode
      With mode *plain* print a report about the information found in the
      System Area of the loaded ISO image.  The report consists of zero
@@ -5808,7 +5816,7 @@ File: xorriso.info,  Node: CommandIdx,  Next: ConceptIdx,  Prev: Legal,  Up: Top
 * -reassure enables confirmation question: DialogCtl.         (line  29)
 * -report_about controls verbosity:      Exception.           (line  53)
 * -report_el_torito shows Boot Catalog:  Inquiry.             (line 150)
-* -report_system_area shows MBR, GPT, and alike: Inquiry.     (line 172)
+* -report_system_area shows MBR, GPT, and alike: Inquiry.     (line 180)
 * -return_with controls exit value:      Exception.           (line  38)
 * -rm deletes files from ISO image:      Manip.               (line  20)
 * -rmdir deletes ISO directory:          Manip.               (line  29)
@@ -6004,7 +6012,7 @@ File: xorriso.info,  Node: ConceptIdx,  Prev: CommandIdx,  Up: Top
 * Image, set volume timestamp, -volume_date: SetWrite.        (line 211)
 * Image, show Boot Catalog:              Inquiry.             (line 150)
 * Image, show id strings, -pvd_info:     Inquiry.             (line 142)
-* Image, show MBR, GPT, and alike, -pvd_info: Inquiry.        (line 172)
+* Image, show MBR, GPT, and alike, -pvd_info: Inquiry.        (line 180)
 * Image, _definition:                    Model.               (line   9)
 * Input Character Set, _definition:      Charset.             (line  25)
 * Insert, enable overwriting, -overwrite: SetInsert.          (line 139)
@@ -6223,35 +6231,35 @@ Node: Charset189084
 Node: Exception192413
 Node: DialogCtl198542
 Node: Inquiry201144
-Node: Navigate211859
+Node: Navigate212402
-Node: Verify220566
+Node: Verify221109
-Node: Restore231715
+Node: Restore232258
-Node: Emulation243923
+Node: Emulation244466
-Node: Scripting254379
+Node: Scripting254922
-Node: Frontend262162
+Node: Frontend262705
-Node: Examples271788
+Node: Examples272331
-Node: ExDevices272966
+Node: ExDevices273509
-Node: ExCreate273627
+Node: ExCreate274170
-Node: ExDialog274927
+Node: ExDialog275470
-Node: ExGrowing276198
+Node: ExGrowing276741
-Node: ExModifying277007
+Node: ExModifying277550
-Node: ExBootable277517
+Node: ExBootable278060
-Node: ExCharset278072
+Node: ExCharset278615
-Node: ExPseudo278968
+Node: ExPseudo279511
-Node: ExCdrecord279895
+Node: ExCdrecord280438
-Node: ExMkisofs280215
+Node: ExMkisofs280758
-Node: ExGrowisofs282112
+Node: ExGrowisofs282655
-Node: ExException283265
+Node: ExException283808
-Node: ExTime283723
+Node: ExTime284266
-Node: ExIncBackup284181
+Node: ExIncBackup284724
-Node: ExRestore288207
+Node: ExRestore288750
-Node: ExRecovery289153
+Node: ExRecovery289696
-Node: Files289725
+Node: Files290268
-Node: Environ291059
+Node: Environ291602
-Node: Seealso291807
+Node: Seealso292350
-Node: Bugreport292524
+Node: Bugreport293067
-Node: Legal293115
+Node: Legal293658
-Node: CommandIdx294127
+Node: CommandIdx294670
-Node: ConceptIdx312025
+Node: ConceptIdx312568
 
 End Tag Table

xorriso/xorriso.texi

@@ -50,7 +50,7 @@
 @c man .\" First parameter, NAME, should be all caps
 @c man .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
 @c man .\" other parameters are allowed: see man(7), man(1)
-@c man .TH XORRISO 1 "Version 1.5.5, Sep 18, 2022"
+@c man .TH XORRISO 1 "Version 1.5.5, Oct 06, 2022"
 @c man .\" Please adjust this date whenever revising the manpage.
 @c man .\"
 @c man .\" Some roff macros, for reference:
@@ -5244,6 +5244,14 @@ Mode @strong{as_mkisofs} tries to print the @strong{xorriso -as mkisofs}
 options, which are necessary to produce the found equipment.
 The intended use case is to use the mounted filesystem as input tree
 together with the printed options.
+@*
+If CHRP equipment is detected, then modes @strong{cmd} and @strong{as_mkisofs}
+issue some of the relaxation commands or options which get detected by
+command @strong{-assess_indev_features}. This happens because CHRP firmware
+reads file paths from file /ppc/bootinfo.txt and tries to find them
+case-insensitively in the ECMA-119 tree without using Rock Ridge. If such a
+path has actually forbidden properties, like the name "powerpc-ieee1275", then
+the relaxations are needed to bring it unmangled into the ECMA-119 tree.
 @c man .TP
 @item -report_system_area mode
 @kindex -report_system_area  shows MBR, GPT, and alike

xorriso/xorriso_timestamp.h

@@ -1 +1 @@
-#define Xorriso_timestamP "2022.09.20.082738"
+#define Xorriso_timestamP "2022.10.07.095444"