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#
# ============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)
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