diff options
Diffstat (limited to 'resources/traffic_scripts/ipv4_ping_ttl_check.py')
| -rwxr-xr-x | resources/traffic_scripts/ipv4_ping_ttl_check.py | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/resources/traffic_scripts/ipv4_ping_ttl_check.py b/resources/traffic_scripts/ipv4_ping_ttl_check.py index 2fd9d552ea..54b6aa1ef5 100755 --- a/resources/traffic_scripts/ipv4_ping_ttl_check.py +++ b/resources/traffic_scripts/ipv4_ping_ttl_check.py @@ -30,8 +30,8 @@ def check_ttl(ttl_begin, ttl_end, ttl_diff): def ckeck_packets_equal(pkt_send, pkt_recv): - pkt_send_raw = str(pkt_send) - pkt_recv_raw = str(pkt_recv) + pkt_send_raw = auto_pad(pkt_send) + pkt_recv_raw = auto_pad(pkt_recv) if pkt_send_raw != pkt_recv_raw: print "Sent: {}".format(pkt_send_raw.encode('hex')) print "Received: {}".format(pkt_recv_raw.encode('hex')) @@ -63,20 +63,21 @@ if dst_if_defined and (src_if_name == dst_if_name): raise Exception("Source interface name equals destination interface name") src_if = Interface(src_if_name) -src_if.send_pkt(create_gratuitous_arp_request(src_mac, src_ip)) +src_if.send_pkt(str(create_gratuitous_arp_request(src_mac, src_ip))) if dst_if_defined: dst_if = Interface(dst_if_name) - dst_if.send_pkt(create_gratuitous_arp_request(dst_mac, dst_ip)) + dst_if.send_pkt(str(create_gratuitous_arp_request(dst_mac, dst_ip))) -pkt_req_send = auto_pad(Ether(src=src_mac, dst=first_hop_mac) / - IP(src=src_ip, dst=dst_ip) / - ICMP()) -pkt_req_send = Ether(pkt_req_send) +pkt_req_send = (Ether(src=src_mac, dst=first_hop_mac) / + IP(src=src_ip, dst=dst_ip) / + ICMP()) src_if.send_pkt(pkt_req_send) if dst_if_defined: try: pkt_req_recv = dst_if.recv_pkt() + if pkt_req_recv is None: + raise Exception('Timeout waiting for packet') except: src_if.close() if dst_if_defined: @@ -89,14 +90,15 @@ if dst_if_defined: del pkt_req_send_mod[IP].chksum # update checksum ckeck_packets_equal(pkt_req_send_mod[IP], pkt_req_recv[IP]) - pkt_resp_send = auto_pad(Ether(src=dst_mac, dst=pkt_req_recv.src) / - IP(src=dst_ip, dst=src_ip) / - ICMP(type=0)) # echo-reply - pkt_resp_send = Ether(pkt_resp_send) + pkt_resp_send = (Ether(src=dst_mac, dst=pkt_req_recv.src) / + IP(src=dst_ip, dst=src_ip) / + ICMP(type=0)) # echo-reply dst_if.send_pkt(pkt_resp_send) try: pkt_resp_recv = src_if.recv_pkt() + if pkt_resp_recv is None: + raise Exception('Timeout waiting for packet') except: src_if.close() if dst_if_defined: |