add command-line option for heif-info to disable security limits

examples/heif_info.cc

@@ -65,10 +65,13 @@ info -w 20012 -o out.265 *file
 info -d // dump
  */
 
+int option_disable_limits = 0;
+
 static struct option long_options[] = {
     //{"write-raw", required_argument, 0, 'w' },
     //{"output",    required_argument, 0, 'o' },
     {(char* const) "dump-boxes", no_argument, 0, 'd'},
+    {(char* const) "disable-limits", no_argument, &option_disable_limits, 1},
     {(char* const) "help",       no_argument, 0, 'h'},
     {(char* const) "version",    no_argument, 0, 'v'},
     {0, 0,                                    0, 0}
@@ -95,6 +98,7 @@ void show_help(const char* argv0)
   //fprintf(stderr,"  -w, --write-raw ID   write raw compressed data of image 'ID'\n");
   //fprintf(stderr,"  -o, --output NAME    output file name for image selected by -w\n");
   fprintf(stderr, "  -d, --dump-boxes     show a low-level dump of all MP4 file boxes\n");
+  fprintf(stderr, "      --disable-limits disable all security limits (do not use in production environment)\n");
   fprintf(stderr, "  -h, --help           show help\n");
   fprintf(stderr, "  -v, --version        show version\n");
 }
@@ -221,6 +225,10 @@ int main(int argc, char** argv)
     return 1;
   }
 
+  if (option_disable_limits) {
+    heif_context_set_security_limits(ctx.get(), heif_get_disabled_security_limits());
+  }
+
   struct heif_error err;
   err = heif_context_read_from_file(ctx.get(), input_filename, nullptr);
 

libheif/context.cc

@@ -123,6 +123,7 @@ static void copy_security_limits(heif_security_limits* dst, const heif_security_
   dst->max_memory_block_size = src->max_memory_block_size;
 
   dst->max_components = src->max_components;
+
   dst->max_iloc_extents_per_item = src->max_iloc_extents_per_item;
   dst->max_size_entity_group = src->max_size_entity_group;