Using libisofs system area summary in -toc line "Boot record"

xorriso/iso_img.c

@@ -211,40 +211,6 @@ int Xorriso_is_isohybrid(struct XorrisO *xorriso, IsoFile *bootimg_node,
 }
 
 
-/* @return <0 yes , 0 no , <0 error */
-int Xorriso_is_grub2_elto(struct XorrisO *xorriso, IsoFile *bootimg_node,
-                          int flag)
-{
-#define Xorriso_grub2_boot_info_poS 2548
- int ret, i;
- unsigned char buf[Xorriso_grub2_boot_info_poS + 8];
- void *data_stream= NULL;
- off_t blk;
-
- 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,
-                            Xorriso_grub2_boot_info_poS  + 8, 0);
- Xorriso_iso_file_close(xorriso, &data_stream, 0);
- if(ret < Xorriso_grub2_boot_info_poS + 8)
-   return(0);
-
- /* >>> ??? Check for some id */;
-
- /* Check whether it has grub2_boot_info patching */
- blk= 0;
- for(i= 0; i < 8; i++)
-   blk|= buf[Xorriso_grub2_boot_info_poS + i] << (8 * i);
- blk-= 5;
- blk/= 4;
- if(blk != (off_t) xorriso->loaded_boot_bin_lba)
-   return(0);
- return(1);
-}
-
-
 int Xorriso_image_has_md5(struct XorrisO *xorriso, int flag)
 {
  int ret;
@@ -811,11 +777,8 @@ int Xorriso__append_boot_params(char *line, ElToritoBootImage *bootimg,
 */
 int Xorriso_show_boot_info(struct XorrisO *xorriso, int flag)
 {
- int ret, bin_path_valid= 0,has_isolinux_mbr= 0, i, num_boots, has_mbr= 0;
+ int ret, bin_path_valid= 0, i, num_boots, sa_count;
- int has_grub2_mbr= 0;
+ char *respt, *path= NULL, **sa_report= NULL, *sa_summary= NULL;
- unsigned int mbr_lba= 0;
- off_t lb0_count, blk;
- char *respt, *path;
  unsigned char *lb0= NULL;
  struct burn_drive_info *dinfo;
  struct burn_drive *drive;
@@ -831,7 +794,7 @@ int Xorriso_show_boot_info(struct XorrisO *xorriso, int flag)
 
  if(xorriso->boot_count > 0) {
    if(!(flag & 1)) {
-     sprintf(respt, "Boot record  : overridden by -boot_image any next\n");
+     sprintf(respt, "Boot record  : (overridden by -boot_image any next)\n");
      Xorriso_toc_line(xorriso, flag & 8);
    }
    ret= 1; goto ex;
@@ -852,11 +815,27 @@ no_boot:;
    goto ex;
  }
 
+ ret= iso_image_report_system_area(image, &sa_report, &sa_count, 0);
+ if(ret > 0 && sa_report != NULL)
+   for(i= 0; i < sa_count; i++)
+     if(strncmp(sa_report[i], "System area summary: ", 21) == 0) {
+       Xorriso_alloc_meM(sa_summary, char, strlen(sa_report[i] + 21) + 1);
+       strcpy(sa_summary, sa_report[i] + 21);
+   break;
+     }
+ if(sa_report != NULL)
+   iso_image_report_system_area(image, &sa_report, &sa_count, 1 << 15);
+ Xorriso_process_msg_queues(xorriso,0);
+
  /* Using the nodes with extreme care . They might be deleted meanwhile. */
  ret= iso_image_get_boot_image(image, &bootimg, &bootimg_node, &bootcat_node);
- if(ret != 1)
+ if(ret != 1) {
+   if(sa_summary == NULL)
      goto no_boot;
-
+   sprintf(respt, "Boot record  : (system area only) , %s\n", sa_summary);
+   Xorriso_toc_line(xorriso, flag & 8);
+   ret= 1; goto ex;
+ }
  ret= iso_image_get_all_boot_imgs(image, &num_boots, &boots, &bootnodes, 0);
  Xorriso_process_msg_queues(xorriso,0);
  if(ret != 1) {
@@ -867,59 +846,9 @@ no_boot:;
      bin_path_valid= 1;
  }
  sprintf(respt, "Boot record  : El Torito");
- /* Load and examine potential MBR */
+ if(sa_summary != NULL)
- ret= burn_read_data(drive, (off_t) 0, (char *) lb0, (off_t) 2048,
+   sprintf(respt + strlen(respt), " , %s", sa_summary);
-                     &lb0_count, 2);
+
- if(ret > 0)
-   if(lb0[510] == 0x55 && lb0[511] == 0xaa)
-     has_mbr= 1;
- if(bin_path_valid)
-   ret= Xorriso_is_isohybrid(xorriso, bootimg_node, 0);
- else
-   ret= 0;
- if(ret > 0) {
-   if(has_mbr) {
-     has_isolinux_mbr= 1;
-     mbr_lba= lb0[432] | (lb0[433] << 8) | (lb0[434] << 16) | (lb0[435] << 24);
-     mbr_lba/= 4;
-     if(mbr_lba != (unsigned int) xorriso->loaded_boot_bin_lba)
-       has_isolinux_mbr= 0;
-     if(has_isolinux_mbr) {
-       for(i= 0; i < 426; i++)
-         if(strncmp((char *) (lb0 + i), "isolinux", 8) == 0)
-       break;
-       if(i >= 426)
-         has_isolinux_mbr= 0;
-     }
-   }
-   if(has_isolinux_mbr)
-     strcat(respt, " , ISOLINUX isohybrid MBR pointing to boot image");
-   else
-     strcat(respt, " , ISOLINUX boot image capable of isohybrid");
- }
- if(bin_path_valid)
-   ret= Xorriso_is_grub2_elto(xorriso, bootimg_node, 0);
- else
-   ret= 0;
- if(ret > 0) {
-   if(has_mbr) {
-     has_grub2_mbr= 1;
-     blk= 0;
-     for(i= 0; i < 8; i++)
-       blk|= lb0[i + 0x1b0] << (8 * i);
-     blk-= 4;
-     blk/= 4;
-     if(blk != (off_t) xorriso->loaded_boot_bin_lba)
-       has_grub2_mbr= 0;
-     for(i= 32; i < 427; i++)
-       if(strncmp((char *) (lb0 + i), "GRUB", 4) == 0)
-     break;
-     if(i >= 427)
-       has_grub2_mbr= 0;
-   }
-   if(has_grub2_mbr)
-     strcat(respt, " , GRUB2 MBR pointing to first boot image");
- }
  strcat(respt, "\n");
  Xorriso_toc_line(xorriso, flag & 8);
  if(flag & 2)
@@ -970,6 +899,7 @@ ex:;
    iso_image_unref(image); /* release obtained reference */
  Xorriso_free_meM(path);
  Xorriso_free_meM(lb0);
+ Xorriso_free_meM(sa_summary);
  return(ret);
 } 
 
@@ -1464,8 +1394,6 @@ int Xorriso_report_system_area(struct XorrisO *xorriso, char *form, int flag)
    if(ret <= 0)
      goto ex;
    is_elto= 1;
-   sprintf(xorriso->result_line, "\n");
-   Xorriso_result(xorriso, 0);
    sprintf(xorriso->result_line,
 "------------------------------------------------------------------------------\n");
    Xorriso_result(xorriso, 0);

xorriso/xorriso_timestamp.h

@@ -1 +1 @@
-#define Xorriso_timestamP "2014.04.24.084540"
+#define Xorriso_timestamP "2014.04.25.064456"