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authorWojciech Kosior <kwojtus@protonmail.com>2020-06-12 11:51:12 +0200
committerWojciech Kosior <kwojtus@protonmail.com>2020-06-12 11:51:12 +0200
commit6b119f76190cb2f5d38f9fb52ec5b60e65d29cc4 (patch)
tree0b03c873b5b12f78b42658a35a8937b8eab4eb19 /src
parent1c0b6de5a0c71e37b83fe14836a1ae8c2c9e280e (diff)
download0tdns-6b119f76190cb2f5d38f9fb52ec5b60e65d29cc4.tar.gz
0tdns-6b119f76190cb2f5d38f9fb52ec5b60e65d29cc4.zip
make it possible to disable execution of installed 0tdns
Diffstat (limited to 'src')
-rwxr-xr-xsrc/hourly.py18
-rw-r--r--src/ztdns_db_connectivity.py9
2 files changed, 18 insertions, 9 deletions
diff --git a/src/hourly.py b/src/hourly.py
index 6878804..2c87bee 100755
--- a/src/hourly.py
+++ b/src/hourly.py
@@ -6,7 +6,8 @@ from os import path
from time import gmtime, strftime
# our own module used by several scripts in the project
-from ztdns_db_connectivity import start_db_connection, get_default_host_address
+from ztdns_db_connectivity import start_db_connection, \
+ get_default_host_address, get_ztdns_config
wrapper = '/var/lib/0tdns/vpn_wrapper.sh'
perform_queries = '/var/lib/0tdns/perform_queries.py'
@@ -36,7 +37,11 @@ def get_vpn_connections(cursor, hour):
''')
return cursor.fetchall()
-connection = start_db_connection()
+ztdns_config = get_ztdns_config()
+if ztdns_config['enabled'] != 'yes':
+ exit()
+
+connection = start_db_connection(ztdns_config)
cursor = connection.cursor()
# round down to an hour - this datetime format is one
@@ -55,6 +60,9 @@ connection.close()
for vpn_id, config_hash in vpns:
config_path = "/var/lib/0tdns/{}.ovpn".format(config_hash)
- subprocess.run([wrapper, get_default_host_address,
- get_default_host_address() + '/32',
- config_path, perform_queries, hour, vpn_id])
+ physical_ip = get_default_host_address(ztdns_config['database'])
+ route_through_veth = ztdns_config['database'] + "/32"
+ command_in_namespace = [perform_queries, hour, vpn_id]
+
+ subprocess.run([wrapper, config_path, physical_ip,
+ route_through_veth] + command_in_namespace)
diff --git a/src/ztdns_db_connectivity.py b/src/ztdns_db_connectivity.py
index 86f9a44..34e1e00 100644
--- a/src/ztdns_db_connectivity.py
+++ b/src/ztdns_db_connectivity.py
@@ -3,8 +3,10 @@ import psycopg2
db_config_path = '/etc/0tdns/db_connection_config.yml'
-def start_db_connection():
- config = yaml.safe_load(open(db_config_path, 'r'))
+def get_ztdns_config():
+ return yaml.safe_load(open(db_config_path, 'r'))
+
+def start_db_connection(config):
connection = psycopg2.connect(user=config['user'], password=config['password'],
host=config['host'], port=config['port'],
database=config['database'])
@@ -17,9 +19,8 @@ def start_db_connection():
# https://stackoverflow.com/questions/166506/finding-local-ip-addresses-using-pythons-stdlib
def get_default_host_address(remote_address):
import socket
- config = yaml.safe_load(open(db_config_path, 'r'))
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
- s.connect((config['database'], 80))
+ s.connect((remote_address, 80))
hostaddr = s.getsockname()[0]
s.close()
return hostaddr