farrokhi/dnsdiag
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Add support for EDNS0 flag

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This commit is contained in:
Babak Farrokhi 2016-06-26 16:54:22 +04:30
parent 40052f008d
commit 26fdd00647
Signed by: farrokhi
GPG Key ID: 6B267AD85D632E9A
1 changed files with 8 additions and 2 deletions
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10
dnsping.py
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@ -91,13 +91,14 @@ def main():
src_port = 0
src_ip = None
use_tcp = False
use_edns = False
af = socket.AF_INET
hostname = 'wikipedia.org'
try:
opts, args = getopt.getopt(sys.argv[1:], "qhc:s:t:w:vp:P:S:T46",
opts, args = getopt.getopt(sys.argv[1:], "qhc:s:t:w:vp:P:S:T46e",
["help", "count=", "server=", "quiet", "type=", "wait=", "verbose",
"port=", "srcip=", "tcp", "ipv4", "ipv6", "srcport="])
"port=", "srcip=", "tcp", "ipv4", "ipv6", "srcport=", "edns"])
except getopt.GetoptError as err:
# print help information and exit:
print(err) # will print something like "option -a not recognized"
@ -132,6 +133,8 @@ def main():
af = socket.AF_INET
elif o in ("-6", "--ipv6"):
af = socket.AF_INET6
elif o in ("-e", "--edns"):
use_edns = True
elif o in ("-P", "--srcport"):
src_port = int(a)
if src_port < 1024:
@ -158,6 +161,9 @@ def main():
resolver.port = dst_port
resolver.retry_servfail = 0
if use_edns:
resolver.use_edns(edns=0, payload=8192, ednsflags=dns.flags.edns_from_text('DO'))
response_time = []
i = 0