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-rw-r--r--changes/feature_restrict-certificates-permissions1
-rw-r--r--src/leap/bitmask/backend/utils.py3
2 files changed, 4 insertions, 0 deletions
diff --git a/changes/feature_restrict-certificates-permissions b/changes/feature_restrict-certificates-permissions
new file mode 100644
index 00000000..6bd6c015
--- /dev/null
+++ b/changes/feature_restrict-certificates-permissions
@@ -0,0 +1 @@
+- Restrict access to the zmq certificates folder.
diff --git a/src/leap/bitmask/backend/utils.py b/src/leap/bitmask/backend/utils.py
index 54a16fd7..65bf6753 100644
--- a/src/leap/bitmask/backend/utils.py
+++ b/src/leap/bitmask/backend/utils.py
@@ -19,6 +19,7 @@ Backend utilities to handle ZMQ certificates.
"""
import os
import shutil
+import stat
import zmq.auth
@@ -36,6 +37,8 @@ def generate_certificates():
if os.path.exists(KEYS_DIR):
shutil.rmtree(KEYS_DIR)
mkdir_p(KEYS_DIR)
+ # set permissions to: 0700 (U:rwx G:--- O:---)
+ os.chmod(KEYS_DIR, stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR)
# create new keys in certificates dir
# public_file, secret_file = create_certificates(...)