1 files changed, 51 insertions, 0 deletions
diff --git a/scripts/dmaap-datarouter/remove_cert_from_ca.py b/scripts/dmaap-datarouter/remove_cert_from_ca.py
new file mode 100644
index 00000000..192e274f
--- /dev/null
+++ b/scripts/dmaap-datarouter/remove_cert_from_ca.py
@@ -0,0 +1,51 @@
+#
+# ============LICENSE_START=======================================================
+#  Copyright (C) 2019 Nordix Foundation.
+# ================================================================================
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-License-Identifier: Apache-2.0
+# ============LICENSE_END=========================================================
+#
+
+import certifi
+import os
+
+cafile = certifi.where()
+number_of_lines_to_delete = 39
+count = 0
+dr_cert_exists = False
+
+with open(cafile, 'r+b', buffering=0) as outfile:
+    for line in outfile.readlines()[-35:-34]:
+        if "# Serial: 0x9EAEEDC0A7CEB59D" in line:
+            dr_cert_exists = True
+    if dr_cert_exists:
+        outfile.seek(0, os.SEEK_END)
+        end = outfile.tell()
+        while outfile.tell() > 0:
+            outfile.seek(-1, os.SEEK_CUR)
+            char = outfile.read(1)
+            if char == b'\n':
+                count += 1
+            if count == number_of_lines_to_delete:
+                outfile.truncate()
+                print("Removed " + str(number_of_lines_to_delete) + " lines from end of CA File")
+                exit(0)
+            outfile.seek(-1, os.SEEK_CUR)
+    else:
+        print("No DR cert in CA File to remove")
+
+if count < number_of_lines_to_delete + 1:
+    print("Number of lines in file less than number of lines to delete. Exiting...")
+    exit(1)