diff options
Diffstat (limited to 'test/test_nat44_ed.py')
| -rw-r--r-- | test/test_nat44_ed.py | 44 |
1 files changed, 20 insertions, 24 deletions
diff --git a/test/test_nat44_ed.py b/test/test_nat44_ed.py index f172dabe98b..21eebb22de4 100644 --- a/test/test_nat44_ed.py +++ b/test/test_nat44_ed.py @@ -2609,8 +2609,8 @@ class TestNAT44EDMW(TestNAT44ED): self.tcp_external_port) # Wait at least the transitory time, the session is in established - # state anyway. RST followed by a data packet should keep it - # established. + # state anyway. RST followed by a data packet should move it to + # transitory state. self.virtual_sleep(6) p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) / @@ -2624,15 +2624,6 @@ class TestNAT44EDMW(TestNAT44ED): flags="P")) self.send_and_expect(self.pg0, p, self.pg1) - # State is established, session should be still open after 6 seconds - self.virtual_sleep(6) - - p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / - IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) / - TCP(sport=self.tcp_port_in, dport=self.tcp_external_port, - flags="R")) - self.send_and_expect(self.pg0, p, self.pg1) - # State is transitory, session should be closed after 6 seconds self.virtual_sleep(6) @@ -3135,9 +3126,16 @@ class TestNAT44EDMW(TestNAT44ED): # SYN out2in p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) / IP(src=self.pg1.remote_ip4, dst=self.nat_addr) / - TCP(sport=self.tcp_external_port, dport=self.tcp_port_out)) + TCP(sport=self.tcp_external_port, dport=self.tcp_port_out, + flags='SA')) self.send_and_expect(self.pg1, p, self.pg0) + p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / + IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) / + TCP(sport=self.tcp_port_in, dport=self.tcp_external_port, + flags="A")) + self.send_and_expect(self.pg0, p, self.pg1) + # FIN in2out p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) / @@ -3152,17 +3150,8 @@ class TestNAT44EDMW(TestNAT44ED): flags="F")) self.send_and_expect(self.pg1, p, self.pg0) - # SYN in2out - p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / - IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) / - TCP(sport=self.tcp_port_in, dport=self.tcp_external_port)) - self.send_and_expect(self.pg0, p, self.pg1) - - # SYN out2in - p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) / - IP(src=self.pg1.remote_ip4, dst=self.nat_addr) / - TCP(sport=self.tcp_external_port, dport=self.tcp_port_out)) - self.send_and_expect(self.pg1, p, self.pg0) + self.init_tcp_session(self.pg0, self.pg1, self.tcp_port_in, + self.tcp_external_port) # 2 records should be produced - first one del & add capture = self.pg3.get_capture(2) @@ -3746,9 +3735,16 @@ class TestNAT44EDMW(TestNAT44ED): p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) / TCP(sport=in_port, dport=ext_port, - flags="S", seq=101, ack=301)) + flags="SA", seq=101, ack=301)) self.send_and_expect(self.pg0, p, self.pg1) + # send ACK packet out -> in + p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) / + IP(src=self.pg1.remote_ip4, dst=self.nat_addr) / + TCP(sport=ext_port, dport=out_port, + flags="A", seq=300, ack=101)) + self.send_and_expect(self.pg1, p, self.pg0) + self.virtual_sleep(3) # send ACK packet in -> out - should be forwarded and session alive p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / |