commit 201a39b3a6c64a8f16e4a58d70bfbc3a22d5b969 Author: Arturo Filastò art@fuffa.org Date: Thu Nov 22 12:11:07 2012 +0100

Add some more fine grained control over traceroute test * Configuration flags and options for source and destination ports --- nettests/core/traceroute.py | 30 +++++++++++++++++++++++++----- 1 files changed, 25 insertions(+), 5 deletions(-)

diff --git a/nettests/core/traceroute.py b/nettests/core/traceroute.py index 4317a0e..bbbe14e 100644 --- a/nettests/core/traceroute.py +++ b/nettests/core/traceroute.py @@ -15,8 +15,10 @@ class UsageOptions(usage.Options): optParameters = [ ['backend', 'b', '8.8.8.8', 'Test backend to use'], ['timeout', 't', 5, 'The timeout for the traceroute test'], - ['maxttl', 'm', 30, 'The maximum value of ttl to set on packets'] + ['maxttl', 'm', 30, 'The maximum value of ttl to set on packets'], + ['srcport', 'p', None, 'Set the source port to a specific value (only applies to TCP and UDP)'] ] + optFlags = [['randomize','r', 'Randomize the source port']]

class TracerouteTest(scapyt.BaseScapyTest): name = "Multi Protocol Traceroute Test" @@ -24,8 +26,21 @@ class TracerouteTest(scapyt.BaseScapyTest): version = "0.1.1"

usageOptions = UsageOptions + dst_ports = [22, 23, 53, 80, 123, 443] + + def setUp(self): + def get_sport(protocol): + if self.localOptions['srcport']: + return int(self.localOptions['srcport']) + elif self.localOptions['randomize']: + return random.randint(1024, 65535) + elif protocol == 'tcp': + return 80 + elif protocol == 'udp': + return 53 + + self.get_sport = get_sport

- dst_ports = [22, 23, 80, 123, 443] def max_ttl_and_timeout(self): max_ttl = int(self.localOptions['maxttl']) timeout = int(self.localOptions['timeout']) @@ -53,8 +68,10 @@ class TracerouteTest(scapyt.BaseScapyTest): dl = [] max_ttl, timeout = self.max_ttl_and_timeout() for port in self.dst_ports: - packets = IP(dst=self.localOptions['backend'], - ttl=(1,max_ttl),id=RandShort())/TCP(flags=0x2, dport=port) + packets = IP(dst=self.localOptions['backend'], + ttl=(1,max_ttl),id=RandShort())/TCP(flags=0x2, dport=port, + sport=self.get_sport('tcp')) + d = self.sr(packets, timeout=timeout) d.addCallback(finished, port) dl.append(d) @@ -80,7 +97,9 @@ class TracerouteTest(scapyt.BaseScapyTest): max_ttl, timeout = self.max_ttl_and_timeout() for port in self.dst_ports: packets = IP(dst=self.localOptions['backend'], - ttl=(1,max_ttl),id=RandShort())/UDP(dport=port) + ttl=(1,max_ttl),id=RandShort())/UDP(dport=port, + sport=self.get_sport('udp')) + d = self.sr(packets, timeout=timeout) d.addCallback(finished, port) dl.append(d) @@ -106,6 +125,7 @@ class TracerouteTest(scapyt.BaseScapyTest): max_ttl, timeout = self.max_ttl_and_timeout() packets = IP(dst=self.localOptions['backend'], ttl=(1,max_ttl),id=RandShort())/ICMP() + d = self.sr(packets, timeout=timeout) d.addCallback(finished) return d