Intial Thumb2 Sandbox (naclrev 6680)

src/trusted/validator/ncfileutil.c

Index: src/trusted/validator/ncfileutil.c
diff --git a/src/trusted/validator/ncfileutil.c b/src/trusted/validator/ncfileutil.c
index bb7e6279fe31ab0e95d20dd704176651c1394afb..122e11bcd19e089a656142d0cd3aa66d92d7c131 100644
--- a/src/trusted/validator/ncfileutil.c
+++ b/src/trusted/validator/ncfileutil.c
@@ -186,6 +186,15 @@ static int nc_load(ncfile *ncf, int fd) {
     return -1;
   }
 
+  /* Keep a copy of the header around for the validator */
+  ncf->eheader = calloc(1, sizeof(Elf_Ehdr));
+  if (ncf->eheader == NULL) {
+    ncf->error_fn("nc_load(%s): calloc(1, sizeof(Elf_Ehdr)) failed\n",
+                  ncf->fname);
+    return -1;
+  }
+  *ncf->eheader = h; /* save the copy */
+
   /* success! */
   return 0;
 }
@@ -212,7 +221,7 @@ ncfile *nc_loadfile_depending(const char *filename,
 
   if (nc_load(ncf, fd) < 0) {
     close(fd);
-    free(ncf);
+    nc_freefile(ncf);
     return NULL;
   }
   close(fd);
@@ -230,7 +239,11 @@ ncfile *nc_loadfile_with_error_fn(const char *filename,
 
 
 void nc_freefile(ncfile *ncf) {
-  if (ncf->data != NULL) free(ncf->data);
+  if (ncf == NULL) return;
+  free(ncf->data);
+  free(ncf->eheader);
+  free(ncf->pheaders);
+  free(ncf->sheaders);
   free(ncf);
 }