27 lines
1 KiB
Diff
27 lines
1 KiB
Diff
diff --git a/DNS/Base.py b/DNS/Base.py
|
|
index 34a6da7..a558889 100644
|
|
--- a/DNS/Base.py
|
|
+++ b/DNS/Base.py
|
|
@@ -15,6 +15,7 @@ import socket, string, types, time, select
|
|
import errno
|
|
from . import Type,Class,Opcode
|
|
import asyncore
|
|
+import os
|
|
#
|
|
# This random generator is used for transaction ids and port selection. This
|
|
# is important to prevent spurious results from lost packets, and malicious
|
|
@@ -50,8 +51,12 @@ defaults= { 'protocol':'udp', 'port':53, 'opcode':Opcode.QUERY,
|
|
|
|
def ParseResolvConf(resolv_path="/etc/resolv.conf"):
|
|
"parses the /etc/resolv.conf file and sets defaults for name servers"
|
|
- with open(resolv_path, 'r') as stream:
|
|
- return ParseResolvConfFromIterable(stream)
|
|
+ if os.path.exists(resolv_path):
|
|
+ with open(resolv_path, 'r') as stream:
|
|
+ return ParseResolvConfFromIterable(stream)
|
|
+ else:
|
|
+ defaults['server'].append('127.0.0.1')
|
|
+ return
|
|
|
|
def ParseResolvConfFromIterable(lines):
|
|
"parses a resolv.conf formatted stream and sets defaults for name servers"
|