New options -show_stream, -show_stream_r, -exec show_stream

xorriso/xorriso.1

@@ -1356,6 +1356,12 @@ E.g.:
 .br
   -find / -type f -exec set_filter gzip --
 .br
+"show_stream" shows the content stream chain of a data file.
+.br
+E.g.:
+.br
+  -find / -type f -exec show_stream --
+.br
 "find" performs another run of -find on the matching file address. It accepts
 the same params as -find, except iso_rr_path.
 .br
@@ -2391,6 +2397,25 @@ and whether both counterparts match.
 Perform -compare_r with each of the disk_path arguments. iso_rr_path will be
 composed from disk_path by replacing disk_prefix by iso_rr_prefix.
 .TP
+\fB\-show_stream\fR iso_rr_path [***]
+Display the content stream chain of data files in the ISO image. The chain
+consists of the iso_rr_name and one or more streams, separated by " < " marks.
+A stream consists of one or more texts in ''-quotation marks, eventually
+separated by "." characters. The first text describes the stream type,
+the following ones describe its individual properties.
+Frequently used types are:
+.br
+ 'disk'.'disk_path'  for local filesystem objects.
+.br
+ 'image'.'iso_rr_path'  for ISO image file objects.
+.br
+ 'cout'.'disk_path offset count'  for -cut_out files.
+.br
+ 'extf'.'filter_name' for external filters.
+.TP
+\fB\-show_stream_r\fR iso_rr_path [***]
+Like -show_stream but working recursively.
+.TP
 .B Evaluation of readability and recovery:
 .PP
 It is not uncommon that optical media produce read errors. The reasons may be

xorriso/xorriso.c

@@ -13808,6 +13808,8 @@ not_enough_arguments:;
          Xorriso_pacifier_reset(xorriso, 0);
          mem_lut= xorriso->last_update_time;
        }
+     } else if(strcmp(cpt, "show_stream")==0) {
+       Findjob_set_action_target(job, 29, NULL, 0);
      } else {
        sprintf(xorriso->info_text, "-find -exec: unknown action %s",
                Text_shellsafe(argv[i], sfe, 0));
@@ -14241,7 +14243,8 @@ int Xorriso_option_help(struct XorrisO *xorriso, int flag)
 "                 Action may be one of: echo, chown, chown_r, chgrp, chgrp_r",
 "                 chmod, chmod_r, alter_date, alter_date_r, lsdl, compare,",
 "                 rm, rm_r, compare, update, report_damage, report_lba,",
-"                 getfacl, setfacl, getfattr, setfattr, set_filter, find.",
+"                 getfacl, setfacl, getfattr, setfattr, set_filter,",
+"                 show_stream, find.",
 "                 params are their arguments except iso_rr_path.",
 "                 echo, lsdl, rm, rm_r, report_damage have no params at all.",
 "  -mkdir iso_rr_path [...]",
@@ -14382,11 +14385,16 @@ int Xorriso_option_help(struct XorrisO *xorriso, int flag)
 "  -compare disk_path iso_rr_path",
 "                 compare attributes and in case of regular data files the",
 "                 content of filesystem object and ISO object.",
-"  -compare_r disk_path iso_rr_path ",
+"  -compare_r disk_path iso_rr_path",
 "                 Like -compare but affecting all files below directories.",
 "  -compare_l disk_prefix iso_rr_prefix disk_path [***]",
 "                 Performs -compare_r with each disk_path.",
 "",
+"  -show_stream iso_rr_path [***]",
+"                 Show content stream chain of data files in the ISO image.",
+"  -show_stream_r iso_rr_path [***]",
+"                 Like -show_stream but affecting all files below directories.",
+"",
 "Restore options which copy file objects from ISO image to disk filesystem:",
 "  -osirrox \"on\"|\"device_files\"|\"off\"|\"banned\"",
 "           [:\"concat_split_on\"|\"concat_split_off\"]",
@@ -16497,9 +16505,10 @@ out_of_mem:;
 }
 
 
-/* Options -set_filter , -set_filter_r */
+/* Options -set_filter , -set_filter_r , -show_stream , -show_stream_r */
 /* @param flag   bit0=recursive -set_filter_r
                  bit1= do not reset pacifier, no final pacifier message
+                 bit2= -show_stream rather than -set_filter
 */
 int Xorriso_option_set_filter(struct XorrisO *xorriso, char *name,
                               int argc, char **argv, int *idx, int flag)
@@ -16509,8 +16518,16 @@ int Xorriso_option_set_filter(struct XorrisO *xorriso, char *name,
  char **optv= NULL;
  struct FindjoB *job= NULL;
  struct stat dir_stbuf;
+ char *cmd= "-set_filter";
 
- ret= Xorriso_opt_args(xorriso, "-set_filter",
+ switch(flag & 5) {
+ case 0: cmd= "-set_filter";
+ break; case 1: cmd= "-set_filter_r";
+ break; case 4: cmd= "-show_stream";
+ break; case 5: cmd= "-show_stream_r";
+ }
+
+ ret= Xorriso_opt_args(xorriso, cmd,
                        argc, argv, *idx, &end_idx, &optc, &optv, 0);
  if(ret <= 0)
    goto ex;
@@ -16521,17 +16538,20 @@ int Xorriso_option_set_filter(struct XorrisO *xorriso, char *name,
    if(flag&1) {
      ret= Findjob_new(&job, optv[i], 0);
      if(ret<=0) {
-       Xorriso_no_findjob(xorriso, "-set_filter_r", 0);
+       Xorriso_no_findjob(xorriso, cmd, 0);
        {ret= -1; goto ex;}
      }
-     Findjob_set_action_target(job, 28, name, 0);
+     Findjob_set_action_target(job, ((flag & 4) ? 29 : 28), name, 0);
      Findjob_set_file_type(job, 'f', 0);
      ret= Xorriso_findi(xorriso, job, NULL, (off_t) 0,
                         NULL, optv[i], &dir_stbuf, 0, 0);
      Findjob_destroy(&job, 0);
    } else {
      ret= 1;
-     ret= Xorriso_set_filter(xorriso, NULL, optv[i], name, 0);
+     if(flag & 4)
+       ret= Xorriso_show_stream(xorriso, NULL, optv[i], 0);
+     else
+       ret= Xorriso_set_filter(xorriso, NULL, optv[i], name, 0);
    }
    if(ret>0 && !xorriso->request_to_abort)
  continue; /* regular bottom of loop */
@@ -16547,7 +16567,7 @@ int Xorriso_option_set_filter(struct XorrisO *xorriso, char *name,
  ret= 1;
 ex:;
  (*idx)= end_idx;
- Xorriso_opt_args(xorriso, "-set_filter", argc, argv, *idx, &end_idx,
+ Xorriso_opt_args(xorriso, cmd, argc, argv, *idx, &end_idx,
                   &optc, &optv, 256);
  Findjob_destroy(&job, 0);
  if(ret<=0)
@@ -17109,7 +17129,7 @@ int Xorriso_count_args(struct XorrisO *xorriso, int argc, char **argv,
     "setfacl","setfacli","setfacl_list","setfacl_listi",
     "setfacl_r","setfacl_ri","setfattr","setfattri",
     "setfattr_list","setfattr_listi","setfattr_r","setfattr_ri",
-    "set_filter","set_filter_r",
+    "set_filter","set_filter_r","show_stream","show_stream_r",
     ""
  };
 
@@ -17784,6 +17804,10 @@ next_command:;
    ret= Xorriso_option_set_filter(xorriso, arg1, argc, argv, idx,
                                   strcmp(cmd,"set_filter_r")==0);
 
+ } else if(strcmp(cmd,"show_stream")==0 || strcmp(cmd,"show_stream_r")==0) {
+   ret= Xorriso_option_set_filter(xorriso, "", argc, argv, idx,
+                                  (strcmp(cmd,"show_stream_r")==0) | 2 | 4);
+
  } else if(strcmp(cmd,"speed")==0) {
    (*idx)++;
    ret= Xorriso_option_speed(xorriso, arg1, 0);

xorriso/xorriso_timestamp.h

@@ -1 +1 @@
-#define Xorriso_timestamP "2009.04.06.100802"
+#define Xorriso_timestamP "2009.04.06.132007"

xorriso/xorrisoburn.c

@@ -6638,8 +6638,10 @@ int Xorriso_findi_action(struct XorrisO *xorriso, struct FindjoB *job,
  } else if(action == 27) {
    ret= Xorriso_path_setfattr(xorriso, (void *) node, show_path,
                               target, strlen(text_2), text_2, 0);
- } else if(action == 28) {
+ } else if(action == 28) { /* set_filter */
    ret= Xorriso_set_filter(xorriso, (void *) node, show_path, target, 1 | 2);
+ } else if(action == 29) { /* show_stream */
+   ret= Xorriso_show_stream(xorriso, (void *) node, show_path, 1 | 2);
  } else { /* includes : 15 in_iso */
    sprintf(xorriso->result_line, "%s\n", Text_shellsafe(show_path, sfe, 0));
    Xorriso_result(xorriso, 0);
@@ -10279,3 +10281,78 @@ int Xorriso_status_extf(struct XorrisO *xorriso, char *filter, FILE *fp,
  }
  return(1);
 }
+
+
+int Xorriso_show_stream(struct XorrisO *xorriso, void *in_node,
+                        char *path, int flag)
+{
+ int ret, lba;
+ IsoNode *node;
+ IsoFile *file;
+ IsoStream *stream= NULL, *input_stream;
+ IsoExternalFilterCommand *cmd;
+ char type_text[16], *source_path= NULL;
+
+ node= (IsoNode *) in_node;
+ if(node == NULL) {
+   ret= Xorriso_get_node_by_path(xorriso, path, NULL, &node, 0);
+   if(ret <= 0)
+     goto ex;
+ }
+ if(!LIBISO_ISREG(node)) 
+   {ret= 2; goto ex;}
+ file= (IsoFile *) node;
+ input_stream= iso_file_get_stream(file);
+ Text_shellsafe(path, xorriso->result_line, 0);
+ while(1) {
+   stream= input_stream;
+   input_stream= iso_stream_get_input_stream(stream, 0);
+   if(input_stream == NULL)
+ break;
+   ret= iso_stream_get_external_filter(stream, &cmd, 0);
+   if(ret < 0) {
+     Xorriso_process_msg_queues(xorriso,0);
+     Xorriso_report_iso_error(xorriso, "", ret,
+               "Error when inquiring filter command of node", 0, "FAILURE", 1);
+     ret= 0; goto ex;
+   }
+   strcat(xorriso->result_line, " < ");
+   strncpy(type_text, stream->class->type, 4);
+   type_text[4]= 0;
+   Text_shellsafe(type_text, xorriso->result_line, 1);
+   if(ret > 0) {
+     strcat(xorriso->result_line, ".");
+     Text_shellsafe(cmd->name, xorriso->result_line, 1);
+   }
+   if(strlen(xorriso->result_line) > SfileadrL) {
+     Xorriso_result(xorriso, 0);
+     xorriso->result_line[0]= 0;
+   }
+ }
+ strcat(xorriso->result_line, " < ");
+ strncpy(type_text, stream->class->type, 4);
+ type_text[4]= 0;
+ if(strcmp(type_text, "fsrc") == 0) {
+   ret= Xorriso__file_start_lba(node, &lba, 0);
+   if(ret > 0 && lba > 0)
+     strcpy(type_text, "image");
+   else
+     strcpy(type_text, "disk");
+ }
+ Text_shellsafe(type_text, xorriso->result_line, 1);
+
+ source_path= iso_stream_get_source_path(stream, 0);
+ if(source_path != NULL) {
+   strcat(xorriso->result_line, ".");
+   Text_shellsafe(source_path, xorriso->result_line, 1);
+ }
+ 
+ strcat(xorriso->result_line, "\n");
+ Xorriso_result(xorriso, 0);
+ ret= 1;
+ex:;
+ if(source_path != NULL)
+   free(source_path);
+ return(ret); 
+}
+

xorriso/xorrisoburn.h

@@ -445,6 +445,9 @@ int Xorriso_status_extf(struct XorrisO *xorriso, char *filter, FILE *fp,
 
 int Xorriso_destroy_all_extf(struct XorrisO *xorriso, int flag);
 
+int Xorriso_show_stream(struct XorrisO *xorriso, void *in_node,
+                        char *path, int flag);
+
 
 /* A pseudo file type for El-Torito bootsectors as in man 2 stat :
    For now take the highest possible value.