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Add explicit break when resolver pool is small #52

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8 changes: 7 additions & 1 deletion subbrute.py
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,9 @@
import socket
import struct

# Minimum number of seconds to wait before querying the same nameserver again
REPEAT_TIMEOUT = 5

#Python 2.x and 3.x compatiablity
#We need the Queue library for exception handling
try:
Expand Down Expand Up @@ -57,6 +60,9 @@ def query(self, hostname, query_type = 'ANY', name_server = False, use_tcp = Tru
response = None
if name_server == False:
name_server = self.get_ns()
# If we just picked the same one again, give it a break
if self.last_resolver == name_server:
time.sleep(REPEAT_TIMEOUT)
else:
self.wildcards = {}
self.failed_code = None
Expand Down Expand Up @@ -856,4 +862,4 @@ def signal_init():
target = target.strip()
if target:
trace(target, record_type, options.subs, options.resolvers, options.process_count, options.print_data, output, json_output)
print_target(target, record_type, options.subs, options.resolvers, options.process_count, options.print_data, output, json_output)
print_target(target, record_type, options.subs, options.resolvers, options.process_count, options.print_data, output, json_output)