libpts: Use chunk_map() to load AIK blob

diff --git a/src/libpts/pts/pts.c b/src/libpts/pts/pts.c
index b82b7440545acef575338170c4cfedc756057942..2fff4c9014c45855166fdba4044f451896768ce9 100644 (file)
--- a/src/libpts/pts/pts.c
+++ b/src/libpts/pts/pts.c
@@ -369,42 +369,31 @@ METHOD(pts_t, set_tpm_version_info, void,
  */
 static void load_aik_blob(private_pts_t *this)
 {
-       char *blob_path;
-       FILE *fp;
-       u_int32_t aikBlobLen;
+       char *path;
+       chunk_t *map;
 
-       blob_path = lib->settings->get_str(lib->settings,
+       path = lib->settings->get_str(lib->settings,
                                                "%s.plugins.imc-attestation.aik_blob", NULL, lib->ns);
-
-       if (blob_path)
+       if (path)
        {
-               /* Read aik key blob from a file */
-               if ((fp = fopen(blob_path, "r")) == NULL)
-               {
-                       DBG1(DBG_PTS, "unable to open AIK Blob file: %s", blob_path);
-                       return;
-               }
-
-               fseek(fp, 0, SEEK_END);
-               aikBlobLen = ftell(fp);
-               fseek(fp, 0L, SEEK_SET);
-
-               this->aik_blob = chunk_alloc(aikBlobLen);
-               if (fread(this->aik_blob.ptr, 1, aikBlobLen, fp) == aikBlobLen)
+               map = chunk_map(path, FALSE);
+               if (map)
                {
-                       DBG2(DBG_PTS, "loaded AIK Blob from '%s'", blob_path);
-                       DBG3(DBG_PTS, "AIK Blob: %B", &this->aik_blob);
+                       DBG2(DBG_PTS, "loaded AIK Blob from '%s'", path);
+                       DBG3(DBG_PTS, "AIK Blob: %B", map);
+                       this->aik_blob = chunk_clone(*map);
+                       chunk_unmap(map);
                }
                else
                {
-                       DBG1(DBG_PTS, "unable to read AIK Blob file '%s'", blob_path);
-                       chunk_free(&this->aik_blob);
+                       DBG1(DBG_PTS, "unable to map AIK Blob file '%s': %s",
+                                path, strerror(errno));
                }
-               fclose(fp);
-               return;
        }
-
-       DBG1(DBG_PTS, "AIK Blob is not available");
+       else
+       {
+               DBG1(DBG_PTS, "AIK Blob is not available");
+       }
 }
 
 /**