diff --git a/tools/testing/selftests/tc-testing/creating-testcases/scapy-example.json b/tools/testing/selftests/tc-testing/creating-testcases/scapy-example.json new file mode 100644 index 000000000000..5a9377b72d7f --- /dev/null +++ b/tools/testing/selftests/tc-testing/creating-testcases/scapy-example.json @@ -0,0 +1,98 @@ +[ + { + "id": "b1e9", + "name": "Test matching of source IP", + "category": [ + "actions", + "scapy" + ], + "plugins": { + "requires": [ + "nsPlugin", + "scapyPlugin" + ] + }, + "setup": [ + [ + "$TC qdisc del dev $DEV1 ingress", + 0, + 1, + 2, + 255 + ], + "$TC qdisc add dev $DEV1 ingress" + ], + "cmdUnderTest": "$TC filter add dev $DEV1 parent ffff: prio 3 protocol ip flower src_ip 16.61.16.61 flowid 1:1 action ok", + "scapy": { + "iface": "$DEV0", + "count": 1, + "packet": "Ether(type=0x800)/IP(src='16.61.16.61')/ICMP()" + }, + "expExitCode": "0", + "verifyCmd": "$TC -s -j filter ls dev $DEV1 ingress prio 3", + "matchJSON": [ + { + "path": [ + 1, + "options", + "actions", + 0, + "stats", + "packets" + ], + "value": 1 + } + ], + "teardown": [ + "$TC qdisc del dev $DEV1 ingress" + ] + }, + { + "id": "e9c4", + "name": "Test matching of source IP with wrong count", + "category": [ + "actions", + "scapy" + ], + "plugins": { + "requires": [ + "nsPlugin", + "scapyPlugin" + ] + }, + "setup": [ + [ + "$TC qdisc del dev $DEV1 ingress", + 0, + 1, + 2, + 255 + ], + "$TC qdisc add dev $DEV1 ingress" + ], + "cmdUnderTest": "$TC filter add dev $DEV1 parent ffff: prio 3 protocol ip flower src_ip 16.61.16.61 flowid 1:1 action ok", + "scapy": { + "iface": "$DEV0", + "count": 3, + "packet": "Ether(type=0x800)/IP(src='16.61.16.61')/ICMP()" + }, + "expExitCode": "0", + "verifyCmd": "$TC -s -j filter ls dev $DEV1 parent ffff:", + "matchJSON": [ + { + "path": [ + 1, + "options", + "actions", + 0, + "stats", + "packets" + ], + "value": 1 + } + ], + "teardown": [ + "$TC qdisc del dev $DEV1 ingress" + ] + } +] diff --git a/tools/testing/selftests/tc-testing/plugin-lib/scapyPlugin.py b/tools/testing/selftests/tc-testing/plugin-lib/scapyPlugin.py new file mode 100644 index 000000000000..229ee185b27e --- /dev/null +++ b/tools/testing/selftests/tc-testing/plugin-lib/scapyPlugin.py @@ -0,0 +1,50 @@ +#!/usr/bin/env python3 + +import os +import signal +from string import Template +import subprocess +import time +from TdcPlugin import TdcPlugin + +from tdc_config import * + +try: + from scapy.all import * +except ImportError: + print("Unable to import the scapy python module.") + print("\nIf not already installed, you may do so with:") + print("\t\tpip3 install scapy==2.4.2") + exit(1) + +class SubPlugin(TdcPlugin): + def __init__(self): + self.sub_class = 'scapy/SubPlugin' + super().__init__() + + def post_execute(self): + if 'scapy' not in self.args.caseinfo: + if self.args.verbose: + print('{}.post_execute: no scapy info in test case'.format(self.sub_class)) + return + + # Check for required fields + scapyinfo = self.args.caseinfo['scapy'] + scapy_keys = ['iface', 'count', 'packet'] + missing_keys = [] + keyfail = False + for k in scapy_keys: + if k not in scapyinfo: + keyfail = True + missing_keys.add(k) + if keyfail: + print('{}: Scapy block present in the test, but is missing info:' + .format(self.sub_class)) + print('{}'.format(missing_keys)) + + pkt = eval(scapyinfo['packet']) + if '$' in scapyinfo['iface']: + tpl = Template(scapyinfo['iface']) + scapyinfo['iface'] = tpl.safe_substitute(NAMES) + for count in range(scapyinfo['count']): + sendp(pkt, iface=scapyinfo['iface'])