1310 lines
38 KiB
Python
1310 lines
38 KiB
Python
import pytest
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import logging
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import os
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import re
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import subprocess
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from atf_python.sys.net.vnet import IfaceFactory
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from atf_python.sys.net.vnet import SingleVnetTestTemplate
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from atf_python.sys.net.tools import ToolsHelper
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from typing import List
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from typing import Optional
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logging.getLogger("scapy").setLevel(logging.CRITICAL)
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import scapy.all as sc
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def build_response_packet(echo, ip, icmp, oip_ihl, special):
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icmp_id_seq_types = [0, 8, 13, 14, 15, 16, 17, 18, 37, 38]
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oip = echo[sc.IP]
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oicmp = echo[sc.ICMP]
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load = echo[sc.ICMP].payload
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oip[sc.IP].remove_payload()
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oicmp[sc.ICMP].remove_payload()
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oicmp.type = 8
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# As if the original IP packet had these set
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oip.ihl = None
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oip.len = None
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oip.id = 1
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oip.flags = ip.flags
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oip.chksum = None
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oip.options = ip.options
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# Inner packet (oip) options
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if oip_ihl:
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oip.ihl = oip_ihl
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# Special options
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if special == "no-payload":
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load = ""
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if special == "tcp":
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oip.proto = "tcp"
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tcp = sc.TCP(sport=1234, dport=5678)
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return ip / icmp / oip / tcp
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if special == "udp":
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oip.proto = "udp"
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udp = sc.UDP(sport=1234, dport=5678)
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return ip / icmp / oip / udp
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if special == "warp":
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# Build a package with a timestamp of INT_MAX
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# (time-warped package)
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payload_no_timestamp = sc.bytes_hex(load)[16:]
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load = (b"\xff" * 8) + sc.hex_bytes(payload_no_timestamp)
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if special == "wrong":
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# Build a package with a wrong last byte
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payload_no_last_byte = sc.bytes_hex(load)[:-2]
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load = (sc.hex_bytes(payload_no_last_byte)) + b"\x00"
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if special == "not-mine":
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# Modify the ICMP Identifier field
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oicmp.id += 1
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if icmp.type in icmp_id_seq_types:
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pkt = ip / icmp / load
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else:
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ip.options = ""
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pkt = ip / icmp / oip / oicmp / load
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return pkt
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def generate_ip_options(opts):
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if not opts:
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return ""
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routers = [
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"192.0.2.10",
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"192.0.2.20",
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"192.0.2.30",
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"192.0.2.40",
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"192.0.2.50",
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"192.0.2.60",
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"192.0.2.70",
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"192.0.2.80",
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"192.0.2.90",
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]
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routers_zero = [0, 0, 0, 0, 0, 0, 0, 0, 0]
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if opts == "EOL":
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options = sc.IPOption(b"\x00")
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elif opts == "NOP":
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options = sc.IPOption(b"\x01")
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elif opts == "NOP-40":
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options = sc.IPOption(b"\x01" * 40)
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elif opts == "RR":
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ToolsHelper.set_sysctl("net.inet.ip.process_options", 0)
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options = sc.IPOption_RR(pointer=40, routers=routers)
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elif opts == "RR-same":
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ToolsHelper.set_sysctl("net.inet.ip.process_options", 0)
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options = sc.IPOption_RR(pointer=3, routers=routers_zero)
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elif opts == "RR-trunc":
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ToolsHelper.set_sysctl("net.inet.ip.process_options", 0)
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options = sc.IPOption_RR(length=7, routers=routers_zero)
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elif opts == "LSRR":
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ToolsHelper.set_sysctl("net.inet.ip.process_options", 0)
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options = sc.IPOption_LSRR(routers=routers)
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elif opts == "LSRR-trunc":
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ToolsHelper.set_sysctl("net.inet.ip.process_options", 0)
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options = sc.IPOption_LSRR(length=3, routers=routers_zero)
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elif opts == "SSRR":
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ToolsHelper.set_sysctl("net.inet.ip.process_options", 0)
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options = sc.IPOption_SSRR(routers=routers)
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elif opts == "SSRR-trunc":
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ToolsHelper.set_sysctl("net.inet.ip.process_options", 0)
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options = sc.IPOption_SSRR(length=3, routers=routers_zero)
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elif opts == "unk":
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ToolsHelper.set_sysctl("net.inet.ip.process_options", 0)
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options = sc.IPOption(b"\x9f")
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elif opts == "unk-40":
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ToolsHelper.set_sysctl("net.inet.ip.process_options", 0)
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options = sc.IPOption(b"\x9f" * 40)
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else:
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options = ""
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return options
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def pinger(
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# Required arguments
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# Avoid setting defaults on these arguments,
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# as we want to set them explicitly in the tests
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iface: str,
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/,
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src: sc.scapy.fields.SourceIPField,
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dst: sc.scapy.layers.inet.DestIPField,
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icmp_type: sc.scapy.fields.ByteEnumField,
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icmp_code: sc.scapy.fields.MultiEnumField,
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# IP arguments
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ihl: Optional[sc.scapy.fields.BitField] = None,
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flags: Optional[sc.scapy.fields.FlagsField] = None,
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opts: Optional[str] = None,
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oip_ihl: Optional[sc.scapy.fields.BitField] = None,
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special: Optional[str] = None,
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# ICMP arguments
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# Match names with <netinet/ip_icmp.h>
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icmp_pptr: sc.scapy.fields.ByteField = 0,
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icmp_gwaddr: sc.scapy.fields.IPField = "0.0.0.0",
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icmp_nextmtu: sc.scapy.fields.ShortField = 0,
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icmp_otime: sc.scapy.layers.inet.ICMPTimeStampField = 0,
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icmp_rtime: sc.scapy.layers.inet.ICMPTimeStampField = 0,
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icmp_ttime: sc.scapy.layers.inet.ICMPTimeStampField = 0,
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icmp_mask: sc.scapy.fields.IPField = "0.0.0.0",
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request: Optional[str] = None,
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# Miscellaneous arguments
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count: int = 1,
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dup: bool = False,
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verbose: bool = True,
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) -> subprocess.CompletedProcess:
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"""P I N G E R
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Echo reply faker
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:param str iface: Interface to send packet to
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:keyword src: Source packet IP
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:type src: class:`scapy.fields.SourceIPField`
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:keyword dst: Destination packet IP
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:type dst: class:`scapy.layers.inet.DestIPField`
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:keyword icmp_type: ICMP type
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:type icmp_type: class:`scapy.fields.ByteEnumField`
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:keyword icmp_code: ICMP code
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:type icmp_code: class:`scapy.fields.MultiEnumField`
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:keyword ihl: Internet Header Length, defaults to None
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:type ihl: class:`scapy.fields.BitField`, optional
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:keyword flags: IP flags - one of `DF`, `MF` or `evil`, defaults to None
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:type flags: class:`scapy.fields.FlagsField`, optional
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:keyword opts: Include IP options - one of `EOL`, `NOP`, `NOP-40`, `unk`,
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`unk-40`, `RR`, `RR-same`, `RR-trunc`, `LSRR`, `LSRR-trunc`, `SSRR` or
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`SSRR-trunc`, defaults to None
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:type opts: str, optional
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:keyword oip_ihl: Inner packet's Internet Header Length, defaults to None
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:type oip_ihl: class:`scapy.fields.BitField`, optional
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:keyword special: Send a special packet - one of `no-payload`, `not-mine`,
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`tcp`, `udp`, `wrong` or `warp`, defaults to None
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:type special: str, optional
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:keyword icmp_pptr: ICMP pointer, defaults to 0
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:type icmp_pptr: class:`scapy.fields.ByteField`
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:keyword icmp_gwaddr: ICMP gateway IP address, defaults to "0.0.0.0"
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:type icmp_gwaddr: class:`scapy.fields.IPField`
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:keyword icmp_nextmtu: ICMP next MTU, defaults to 0
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:type icmp_nextmtu: class:`scapy.fields.ShortField`
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:keyword icmp_otime: ICMP originate timestamp, defaults to 0
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:type icmp_otime: class:`scapy.layers.inet.ICMPTimeStampField`
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:keyword icmp_rtime: ICMP receive timestamp, defaults to 0
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:type icmp_rtime: class:`scapy.layers.inet.ICMPTimeStampField`
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:keyword icmp_ttime: ICMP transmit timestamp, defaults to 0
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:type icmp_ttime: class:`scapy.layers.inet.ICMPTimeStampField`
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:keyword icmp_mask: ICMP address mask, defaults to "0.0.0.0"
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:type icmp_mask: class:`scapy.fields.IPField`
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:keyword request: Request type - one of `mask` or `timestamp`,
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defaults to None
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:type request: str, optional
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:keyword count: Number of packets to send, defaults to 1
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:type count: int
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:keyword dup: Duplicate packets, defaults to `False`
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:type dup: bool
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:keyword verbose: Turn on/off verbosity, defaults to `True`
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:type verbose: bool
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:return: A class:`subprocess.CompletedProcess` with the output from the
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ping utility
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:rtype: class:`subprocess.CompletedProcess`
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"""
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tun = sc.TunTapInterface(iface)
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subprocess.run(["ifconfig", tun.iface, "up"], check=True)
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subprocess.run(["ifconfig", tun.iface, src, dst], check=True)
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ip_opts = generate_ip_options(opts)
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ip = sc.IP(ihl=ihl, flags=flags, src=dst, dst=src, options=ip_opts)
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command = [
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"/sbin/ping",
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"-c",
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str(count),
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"-t",
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str(count),
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]
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if verbose:
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command += ["-v"]
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if request == "mask":
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command += ["-Mm"]
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if request == "timestamp":
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command += ["-Mt"]
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if special:
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command += ["-p1"]
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if opts in [
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"RR",
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"RR-same",
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"RR-trunc",
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"LSRR",
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"LSRR-trunc",
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"SSRR",
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"SSRR-trunc",
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]:
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command += ["-R"]
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command += [dst]
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with subprocess.Popen(
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args=command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True
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) as ping:
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for dummy in range(count):
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echo = tun.recv()
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icmp = sc.ICMP(
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type=icmp_type,
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code=icmp_code,
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id=echo[sc.ICMP].id,
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seq=echo[sc.ICMP].seq,
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ts_ori=icmp_otime,
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ts_rx=icmp_rtime,
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ts_tx=icmp_ttime,
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gw=icmp_gwaddr,
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ptr=icmp_pptr,
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addr_mask=icmp_mask,
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nexthopmtu=icmp_nextmtu,
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)
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pkt = build_response_packet(echo, ip, icmp, oip_ihl, special)
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tun.send(pkt)
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if dup is True:
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tun.send(pkt)
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stdout, stderr = ping.communicate()
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return subprocess.CompletedProcess(
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ping.args, ping.returncode, stdout, stderr
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)
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def redact(output):
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"""Redact some elements of ping's output"""
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pattern_replacements = [
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("localhost \([0-9]{1,3}(\.[0-9]{1,3}){3}\)", "localhost"),
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("from [0-9]{1,3}(\.[0-9]{1,3}){3}", "from"),
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("hlim=[0-9]*", "hlim="),
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("ttl=[0-9]*", "ttl="),
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("time=[0-9.-]*", "time="),
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("\(-[0-9\.]+[0-9]+ ms\)", "(- ms)"),
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("[0-9\.]+/[0-9.]+", "/"),
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]
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for pattern, repl in pattern_replacements:
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output = re.sub(pattern, repl, output)
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return output
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class TestPing(SingleVnetTestTemplate):
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IPV6_PREFIXES: List[str] = ["2001:db8::1/64"]
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IPV4_PREFIXES: List[str] = ["192.0.2.1/24"]
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# Each param in testdata contains a dictionary with the command,
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# and the expected outcome (returncode, redacted stdout, and stderr)
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testdata = [
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pytest.param(
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{
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"args": "ping -4 -c1 -s56 -t1 localhost",
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"returncode": 0,
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"stdout": """\
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PING localhost: 56 data bytes
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64 bytes from: icmp_seq=0 ttl= time= ms
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--- localhost ping statistics ---
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1 packets transmitted, 1 packets received, 0.0% packet loss
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round-trip min/avg/max/stddev = /// ms
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""",
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"stderr": "",
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},
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id="_4_c1_s56_t1_localhost",
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),
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pytest.param(
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{
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"args": "ping -6 -c1 -s8 -t1 localhost",
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"returncode": 0,
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"stdout": """\
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PING6(56=40+8+8 bytes) ::1 --> ::1
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16 bytes from ::1, icmp_seq=0 hlim= time= ms
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--- localhost ping6 statistics ---
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1 packets transmitted, 1 packets received, 0.0% packet loss
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round-trip min/avg/max/std-dev = /// ms
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""",
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"stderr": "",
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},
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id="_6_c1_s8_t1_localhost",
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),
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pytest.param(
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{
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"args": "ping -A -c1 192.0.2.1",
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"returncode": 0,
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"stdout": """\
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PING 192.0.2.1 (192.0.2.1): 56 data bytes
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64 bytes from: icmp_seq=0 ttl= time= ms
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--- 192.0.2.1 ping statistics ---
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1 packets transmitted, 1 packets received, 0.0% packet loss
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round-trip min/avg/max/stddev = /// ms
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""",
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"stderr": "",
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},
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id="_A_c1_192_0_2_1",
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),
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pytest.param(
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{
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"args": "ping -A -c1 192.0.2.2",
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"returncode": 2,
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"stdout": """\
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PING 192.0.2.2 (192.0.2.2): 56 data bytes
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--- 192.0.2.2 ping statistics ---
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1 packets transmitted, 0 packets received, 100.0% packet loss
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""",
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"stderr": "",
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},
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id="_A_c1_192_0_2_2",
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),
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pytest.param(
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{
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"args": "ping -A -c1 2001:db8::1",
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"returncode": 0,
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"stdout": """\
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PING6(56=40+8+8 bytes) 2001:db8::1 --> 2001:db8::1
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16 bytes from 2001:db8::1, icmp_seq=0 hlim= time= ms
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--- 2001:db8::1 ping6 statistics ---
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1 packets transmitted, 1 packets received, 0.0% packet loss
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round-trip min/avg/max/std-dev = /// ms
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""",
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"stderr": "",
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},
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id="_A_c1_2001_db8__1",
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),
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pytest.param(
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{
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"args": "ping -A -c1 2001:db8::2",
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"returncode": 2,
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"stdout": """\
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PING6(56=40+8+8 bytes) 2001:db8::1 --> 2001:db8::2
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|
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--- 2001:db8::2 ping6 statistics ---
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1 packets transmitted, 0 packets received, 100.0% packet loss
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""",
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"stderr": "",
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},
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id="_A_c1_2001_db8__2",
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),
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pytest.param(
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{
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"args": "ping -A -c3 192.0.2.1",
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"returncode": 0,
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"stdout": """\
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PING 192.0.2.1 (192.0.2.1): 56 data bytes
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64 bytes from: icmp_seq=0 ttl= time= ms
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64 bytes from: icmp_seq=1 ttl= time= ms
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64 bytes from: icmp_seq=2 ttl= time= ms
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|
|
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--- 192.0.2.1 ping statistics ---
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3 packets transmitted, 3 packets received, 0.0% packet loss
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round-trip min/avg/max/stddev = /// ms
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""",
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"stderr": "",
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},
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id="_A_3_192_0.2.1",
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),
|
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pytest.param(
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{
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"args": "ping -A -c3 192.0.2.2",
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"returncode": 2,
|
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"stdout": """\
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\x07\x07PING 192.0.2.2 (192.0.2.2): 56 data bytes
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|
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--- 192.0.2.2 ping statistics ---
|
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3 packets transmitted, 0 packets received, 100.0% packet loss
|
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""",
|
|
"stderr": "",
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},
|
|
id="_A_c3_192_0_2_2",
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),
|
|
pytest.param(
|
|
{
|
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"args": "ping -A -c3 2001:db8::1",
|
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"returncode": 0,
|
|
"stdout": """\
|
|
PING6(56=40+8+8 bytes) 2001:db8::1 --> 2001:db8::1
|
|
16 bytes from 2001:db8::1, icmp_seq=0 hlim= time= ms
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|
16 bytes from 2001:db8::1, icmp_seq=1 hlim= time= ms
|
|
16 bytes from 2001:db8::1, icmp_seq=2 hlim= time= ms
|
|
|
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--- 2001:db8::1 ping6 statistics ---
|
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3 packets transmitted, 3 packets received, 0.0% packet loss
|
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round-trip min/avg/max/std-dev = /// ms
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""",
|
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"stderr": "",
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},
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id="_A_c3_2001_db8__1",
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),
|
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pytest.param(
|
|
{
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"args": "ping -A -c3 2001:db8::2",
|
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"returncode": 2,
|
|
"stdout": """\
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\x07\x07PING6(56=40+8+8 bytes) 2001:db8::1 --> 2001:db8::2
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|
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--- 2001:db8::2 ping6 statistics ---
|
|
3 packets transmitted, 0 packets received, 100.0% packet loss
|
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""",
|
|
"stderr": "",
|
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},
|
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id="_A_c3_2001_db8__2",
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),
|
|
pytest.param(
|
|
{
|
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"args": "ping -c1 192.0.2.1",
|
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"returncode": 0,
|
|
"stdout": """\
|
|
PING 192.0.2.1 (192.0.2.1): 56 data bytes
|
|
64 bytes from: icmp_seq=0 ttl= time= ms
|
|
|
|
--- 192.0.2.1 ping statistics ---
|
|
1 packets transmitted, 1 packets received, 0.0% packet loss
|
|
round-trip min/avg/max/stddev = /// ms
|
|
""",
|
|
"stderr": "",
|
|
},
|
|
id="_c1_192_0_2_1",
|
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),
|
|
pytest.param(
|
|
{
|
|
"args": "ping -c1 192.0.2.2",
|
|
"returncode": 2,
|
|
"stdout": """\
|
|
PING 192.0.2.2 (192.0.2.2): 56 data bytes
|
|
|
|
--- 192.0.2.2 ping statistics ---
|
|
1 packets transmitted, 0 packets received, 100.0% packet loss
|
|
""",
|
|
"stderr": "",
|
|
},
|
|
id="_c1_192_0_2_2",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"args": "ping -c1 2001:db8::1",
|
|
"returncode": 0,
|
|
"stdout": """\
|
|
PING6(56=40+8+8 bytes) 2001:db8::1 --> 2001:db8::1
|
|
16 bytes from 2001:db8::1, icmp_seq=0 hlim= time= ms
|
|
|
|
--- 2001:db8::1 ping6 statistics ---
|
|
1 packets transmitted, 1 packets received, 0.0% packet loss
|
|
round-trip min/avg/max/std-dev = /// ms
|
|
""",
|
|
"stderr": "",
|
|
},
|
|
id="_c1_2001_db8__1",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"args": "ping -c1 2001:db8::2",
|
|
"returncode": 2,
|
|
"stdout": """\
|
|
PING6(56=40+8+8 bytes) 2001:db8::1 --> 2001:db8::2
|
|
|
|
--- 2001:db8::2 ping6 statistics ---
|
|
1 packets transmitted, 0 packets received, 100.0% packet loss
|
|
""",
|
|
"stderr": "",
|
|
},
|
|
id="_c1_2001_db8__2",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"args": "ping -c1 -S127.0.0.1 -s56 -t1 localhost",
|
|
"returncode": 0,
|
|
"stdout": """\
|
|
PING localhost from: 56 data bytes
|
|
64 bytes from: icmp_seq=0 ttl= time= ms
|
|
|
|
--- localhost ping statistics ---
|
|
1 packets transmitted, 1 packets received, 0.0% packet loss
|
|
round-trip min/avg/max/stddev = /// ms
|
|
""",
|
|
"stderr": "",
|
|
},
|
|
id="_c1_S127_0_0_1_s56_t1_localhost",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"args": "ping -c1 -S::1 -s8 -t1 localhost",
|
|
"returncode": 0,
|
|
"stdout": """\
|
|
PING6(56=40+8+8 bytes) ::1 --> ::1
|
|
16 bytes from ::1, icmp_seq=0 hlim= time= ms
|
|
|
|
--- localhost ping6 statistics ---
|
|
1 packets transmitted, 1 packets received, 0.0% packet loss
|
|
round-trip min/avg/max/std-dev = /// ms
|
|
""",
|
|
"stderr": "",
|
|
},
|
|
id="_c1_S__1_s8_t1_localhost",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"args": "ping -c3 192.0.2.1",
|
|
"returncode": 0,
|
|
"stdout": """\
|
|
PING 192.0.2.1 (192.0.2.1): 56 data bytes
|
|
64 bytes from: icmp_seq=0 ttl= time= ms
|
|
64 bytes from: icmp_seq=1 ttl= time= ms
|
|
64 bytes from: icmp_seq=2 ttl= time= ms
|
|
|
|
--- 192.0.2.1 ping statistics ---
|
|
3 packets transmitted, 3 packets received, 0.0% packet loss
|
|
round-trip min/avg/max/stddev = /// ms
|
|
""",
|
|
"stderr": "",
|
|
},
|
|
id="_c3_192_0_2_1",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"args": "ping -c3 192.0.2.2",
|
|
"returncode": 2,
|
|
"stdout": """\
|
|
PING 192.0.2.2 (192.0.2.2): 56 data bytes
|
|
|
|
--- 192.0.2.2 ping statistics ---
|
|
3 packets transmitted, 0 packets received, 100.0% packet loss
|
|
""",
|
|
"stderr": "",
|
|
},
|
|
id="_c3_192_0_2_2",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"args": "ping -c3 2001:db8::1",
|
|
"returncode": 0,
|
|
"stdout": """\
|
|
PING6(56=40+8+8 bytes) 2001:db8::1 --> 2001:db8::1
|
|
16 bytes from 2001:db8::1, icmp_seq=0 hlim= time= ms
|
|
16 bytes from 2001:db8::1, icmp_seq=1 hlim= time= ms
|
|
16 bytes from 2001:db8::1, icmp_seq=2 hlim= time= ms
|
|
|
|
--- 2001:db8::1 ping6 statistics ---
|
|
3 packets transmitted, 3 packets received, 0.0% packet loss
|
|
round-trip min/avg/max/std-dev = /// ms
|
|
""",
|
|
"stderr": "",
|
|
},
|
|
id="_c3_2001_db8__1",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"args": "ping -c3 2001:db8::2",
|
|
"returncode": 2,
|
|
"stdout": """\
|
|
PING6(56=40+8+8 bytes) 2001:db8::1 --> 2001:db8::2
|
|
|
|
--- 2001:db8::2 ping6 statistics ---
|
|
3 packets transmitted, 0 packets received, 100.0% packet loss
|
|
""",
|
|
"stderr": "",
|
|
},
|
|
id="_c3_2001_db8__2",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"args": "ping -q -c1 192.0.2.1",
|
|
"returncode": 0,
|
|
"stdout": """\
|
|
PING 192.0.2.1 (192.0.2.1): 56 data bytes
|
|
|
|
--- 192.0.2.1 ping statistics ---
|
|
1 packets transmitted, 1 packets received, 0.0% packet loss
|
|
round-trip min/avg/max/stddev = /// ms
|
|
""",
|
|
"stderr": "",
|
|
},
|
|
id="_q_c1_192_0_2_1",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"args": "ping -q -c1 192.0.2.2",
|
|
"returncode": 2,
|
|
"stdout": """\
|
|
PING 192.0.2.2 (192.0.2.2): 56 data bytes
|
|
|
|
--- 192.0.2.2 ping statistics ---
|
|
1 packets transmitted, 0 packets received, 100.0% packet loss
|
|
""",
|
|
"stderr": "",
|
|
},
|
|
id="_q_c1_192_0_2_2",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"args": "ping -q -c1 2001:db8::1",
|
|
"returncode": 0,
|
|
"stdout": """\
|
|
PING6(56=40+8+8 bytes) 2001:db8::1 --> 2001:db8::1
|
|
|
|
--- 2001:db8::1 ping6 statistics ---
|
|
1 packets transmitted, 1 packets received, 0.0% packet loss
|
|
round-trip min/avg/max/std-dev = /// ms
|
|
""",
|
|
"stderr": "",
|
|
},
|
|
id="_q_c1_2001_db8__1",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"args": "ping -q -c1 2001:db8::2",
|
|
"returncode": 2,
|
|
"stdout": """\
|
|
PING6(56=40+8+8 bytes) 2001:db8::1 --> 2001:db8::2
|
|
|
|
--- 2001:db8::2 ping6 statistics ---
|
|
1 packets transmitted, 0 packets received, 100.0% packet loss
|
|
""",
|
|
"stderr": "",
|
|
},
|
|
id="_q_c1_2001_db8__2",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"args": "ping -q -c3 192.0.2.1",
|
|
"returncode": 0,
|
|
"stdout": """\
|
|
PING 192.0.2.1 (192.0.2.1): 56 data bytes
|
|
|
|
--- 192.0.2.1 ping statistics ---
|
|
3 packets transmitted, 3 packets received, 0.0% packet loss
|
|
round-trip min/avg/max/stddev = /// ms
|
|
""",
|
|
"stderr": "",
|
|
},
|
|
id="_q_c3_192_0_2_1",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"args": "ping -q -c3 192.0.2.2",
|
|
"returncode": 2,
|
|
"stdout": """\
|
|
PING 192.0.2.2 (192.0.2.2): 56 data bytes
|
|
|
|
--- 192.0.2.2 ping statistics ---
|
|
3 packets transmitted, 0 packets received, 100.0% packet loss
|
|
""",
|
|
"stderr": "",
|
|
},
|
|
id="_q_c3_192_0_2_2",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"args": "ping -q -c3 2001:db8::1",
|
|
"returncode": 0,
|
|
"stdout": """\
|
|
PING6(56=40+8+8 bytes) 2001:db8::1 --> 2001:db8::1
|
|
|
|
--- 2001:db8::1 ping6 statistics ---
|
|
3 packets transmitted, 3 packets received, 0.0% packet loss
|
|
round-trip min/avg/max/std-dev = /// ms
|
|
""",
|
|
"stderr": "",
|
|
},
|
|
id="_q_c3_2001_db8__1",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"args": "ping -q -c3 2001:db8::2",
|
|
"returncode": 2,
|
|
"stdout": """\
|
|
PING6(56=40+8+8 bytes) 2001:db8::1 --> 2001:db8::2
|
|
|
|
--- 2001:db8::2 ping6 statistics ---
|
|
3 packets transmitted, 0 packets received, 100.0% packet loss
|
|
""",
|
|
"stderr": "",
|
|
},
|
|
id="_q_c3_2001_db8__2",
|
|
),
|
|
]
|
|
|
|
@pytest.mark.parametrize("expected", testdata)
|
|
def test_ping(self, expected):
|
|
"""Test ping"""
|
|
ping = subprocess.run(
|
|
expected["args"].split(),
|
|
capture_output=True,
|
|
timeout=15,
|
|
text=True,
|
|
)
|
|
assert ping.returncode == expected["returncode"]
|
|
assert redact(ping.stdout) == expected["stdout"]
|
|
assert ping.stderr == expected["stderr"]
|
|
|
|
# Each param in ping46_testdata contains a dictionary with the arguments
|
|
# and the expected outcome (returncode, redacted stdout, and stderr)
|
|
# common to `ping -4` and `ping -6`
|
|
ping46_testdata = [
|
|
pytest.param(
|
|
{
|
|
"args": "-Wx localhost",
|
|
"returncode": os.EX_USAGE,
|
|
"stdout": "",
|
|
"stderr": "ping: invalid timing interval: `x'\n",
|
|
},
|
|
id="_Wx_localhost",
|
|
),
|
|
]
|
|
|
|
@pytest.mark.parametrize("expected", ping46_testdata)
|
|
def test_ping_46(self, expected):
|
|
"""Test ping -4/ping -6"""
|
|
for version in [4, 6]:
|
|
ping = subprocess.run(
|
|
["ping", f"-{version}"] + expected["args"].split(),
|
|
capture_output=True,
|
|
timeout=15,
|
|
text=True,
|
|
)
|
|
assert ping.returncode == expected["returncode"]
|
|
assert redact(ping.stdout) == expected["stdout"]
|
|
assert ping.stderr == expected["stderr"]
|
|
|
|
# Each param in pinger_testdata contains a dictionary with the keywords to
|
|
# `pinger()` and a dictionary with the expected outcome (returncode,
|
|
# stdout, stderr, and if ping's output is redacted)
|
|
pinger_testdata = [
|
|
pytest.param(
|
|
{
|
|
"src": "192.0.2.1",
|
|
"dst": "192.0.2.2",
|
|
"icmp_type": 0,
|
|
"icmp_code": 0,
|
|
},
|
|
{
|
|
"returncode": 0,
|
|
"stdout": """\
|
|
PING 192.0.2.2 (192.0.2.2): 56 data bytes
|
|
64 bytes from: icmp_seq=0 ttl= time= ms
|
|
|
|
--- 192.0.2.2 ping statistics ---
|
|
1 packets transmitted, 1 packets received, 0.0% packet loss
|
|
round-trip min/avg/max/stddev = /// ms
|
|
""",
|
|
"stderr": "",
|
|
"redacted": True,
|
|
},
|
|
id="_0_0",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"src": "192.0.2.1",
|
|
"dst": "192.0.2.2",
|
|
"icmp_type": 0,
|
|
"icmp_code": 0,
|
|
"opts": "EOL",
|
|
},
|
|
{
|
|
"returncode": 0,
|
|
"stdout": """\
|
|
PING 192.0.2.2 (192.0.2.2): 56 data bytes
|
|
64 bytes from: icmp_seq=0 ttl= time= ms
|
|
wrong total length 88 instead of 84
|
|
|
|
--- 192.0.2.2 ping statistics ---
|
|
1 packets transmitted, 1 packets received, 0.0% packet loss
|
|
round-trip min/avg/max/stddev = /// ms
|
|
""",
|
|
"stderr": "",
|
|
"redacted": True,
|
|
},
|
|
id="_0_0_opts_EOL",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"src": "192.0.2.1",
|
|
"dst": "192.0.2.2",
|
|
"icmp_type": 0,
|
|
"icmp_code": 0,
|
|
"opts": "LSRR",
|
|
},
|
|
{
|
|
"returncode": 0,
|
|
"stdout": """\
|
|
PING 192.0.2.2 (192.0.2.2): 56 data bytes
|
|
64 bytes from: icmp_seq=0 ttl= time= ms
|
|
LSRR: 192.0.2.10
|
|
192.0.2.20
|
|
192.0.2.30
|
|
192.0.2.40
|
|
192.0.2.50
|
|
192.0.2.60
|
|
192.0.2.70
|
|
192.0.2.80
|
|
192.0.2.90
|
|
|
|
--- 192.0.2.2 ping statistics ---
|
|
1 packets transmitted, 1 packets received, 0.0% packet loss
|
|
round-trip min/avg/max/stddev = /// ms
|
|
""",
|
|
"stderr": "",
|
|
"redacted": True,
|
|
},
|
|
id="_0_0_opts_LSRR",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"src": "192.0.2.1",
|
|
"dst": "192.0.2.2",
|
|
"icmp_type": 0,
|
|
"icmp_code": 0,
|
|
"opts": "LSRR-trunc",
|
|
},
|
|
{
|
|
"returncode": 0,
|
|
"stdout": """\
|
|
PING 192.0.2.2 (192.0.2.2): 56 data bytes
|
|
64 bytes from: icmp_seq=0 ttl= time= ms
|
|
LSRR: (truncated route)
|
|
|
|
|
|
--- 192.0.2.2 ping statistics ---
|
|
1 packets transmitted, 1 packets received, 0.0% packet loss
|
|
round-trip min/avg/max/stddev = /// ms
|
|
""",
|
|
"stderr": "",
|
|
"redacted": True,
|
|
},
|
|
id="_0_0_opts_LSRR_trunc",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"src": "192.0.2.1",
|
|
"dst": "192.0.2.2",
|
|
"icmp_type": 0,
|
|
"icmp_code": 0,
|
|
"opts": "SSRR",
|
|
},
|
|
{
|
|
"returncode": 0,
|
|
"stdout": """\
|
|
PING 192.0.2.2 (192.0.2.2): 56 data bytes
|
|
64 bytes from: icmp_seq=0 ttl= time= ms
|
|
SSRR: 192.0.2.10
|
|
192.0.2.20
|
|
192.0.2.30
|
|
192.0.2.40
|
|
192.0.2.50
|
|
192.0.2.60
|
|
192.0.2.70
|
|
192.0.2.80
|
|
192.0.2.90
|
|
|
|
--- 192.0.2.2 ping statistics ---
|
|
1 packets transmitted, 1 packets received, 0.0% packet loss
|
|
round-trip min/avg/max/stddev = /// ms
|
|
""",
|
|
"stderr": "",
|
|
"redacted": True,
|
|
},
|
|
id="_0_0_opts_SSRR",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"src": "192.0.2.1",
|
|
"dst": "192.0.2.2",
|
|
"icmp_type": 0,
|
|
"icmp_code": 0,
|
|
"opts": "SSRR-trunc",
|
|
},
|
|
{
|
|
"returncode": 0,
|
|
"stdout": """\
|
|
PING 192.0.2.2 (192.0.2.2): 56 data bytes
|
|
64 bytes from: icmp_seq=0 ttl= time= ms
|
|
SSRR: (truncated route)
|
|
|
|
|
|
--- 192.0.2.2 ping statistics ---
|
|
1 packets transmitted, 1 packets received, 0.0% packet loss
|
|
round-trip min/avg/max/stddev = /// ms
|
|
""",
|
|
"stderr": "",
|
|
"redacted": True,
|
|
},
|
|
id="_0_0_opts_SSRR_trunc",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"src": "192.0.2.1",
|
|
"dst": "192.0.2.2",
|
|
"icmp_type": 0,
|
|
"icmp_code": 0,
|
|
"opts": "RR",
|
|
},
|
|
{
|
|
"returncode": 0,
|
|
"stdout": """\
|
|
PING 192.0.2.2 (192.0.2.2): 56 data bytes
|
|
64 bytes from: icmp_seq=0 ttl= time= ms
|
|
RR: 192.0.2.10
|
|
192.0.2.20
|
|
192.0.2.30
|
|
192.0.2.40
|
|
192.0.2.50
|
|
192.0.2.60
|
|
192.0.2.70
|
|
192.0.2.80
|
|
192.0.2.90
|
|
|
|
--- 192.0.2.2 ping statistics ---
|
|
1 packets transmitted, 1 packets received, 0.0% packet loss
|
|
round-trip min/avg/max/stddev = /// ms
|
|
""",
|
|
"stderr": "",
|
|
"redacted": True,
|
|
},
|
|
id="_0_0_opts_RR",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"src": "192.0.2.1",
|
|
"dst": "192.0.2.2",
|
|
"icmp_type": 0,
|
|
"icmp_code": 0,
|
|
"opts": "RR-same",
|
|
},
|
|
{
|
|
"returncode": 0,
|
|
"stdout": """\
|
|
PING 192.0.2.2 (192.0.2.2): 56 data bytes
|
|
64 bytes from: icmp_seq=0 ttl= time= ms (same route)
|
|
|
|
--- 192.0.2.2 ping statistics ---
|
|
1 packets transmitted, 1 packets received, 0.0% packet loss
|
|
round-trip min/avg/max/stddev = /// ms
|
|
""",
|
|
"stderr": "",
|
|
"redacted": True,
|
|
},
|
|
id="_0_0_opts_RR_same",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"src": "192.0.2.1",
|
|
"dst": "192.0.2.2",
|
|
"icmp_type": 0,
|
|
"icmp_code": 0,
|
|
"opts": "RR-trunc",
|
|
},
|
|
{
|
|
"returncode": 0,
|
|
"stdout": """\
|
|
PING 192.0.2.2 (192.0.2.2): 56 data bytes
|
|
64 bytes from: icmp_seq=0 ttl= time= ms
|
|
RR: (truncated route)
|
|
|
|
--- 192.0.2.2 ping statistics ---
|
|
1 packets transmitted, 1 packets received, 0.0% packet loss
|
|
round-trip min/avg/max/stddev = /// ms
|
|
""",
|
|
"stderr": "",
|
|
"redacted": True,
|
|
},
|
|
id="_0_0_opts_RR_trunc",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"src": "192.0.2.1",
|
|
"dst": "192.0.2.2",
|
|
"icmp_type": 0,
|
|
"icmp_code": 0,
|
|
"opts": "NOP",
|
|
},
|
|
{
|
|
"returncode": 0,
|
|
"stdout": """\
|
|
PING 192.0.2.2 (192.0.2.2): 56 data bytes
|
|
64 bytes from: icmp_seq=0 ttl= time= ms
|
|
wrong total length 88 instead of 84
|
|
NOP
|
|
|
|
--- 192.0.2.2 ping statistics ---
|
|
1 packets transmitted, 1 packets received, 0.0% packet loss
|
|
round-trip min/avg/max/stddev = /// ms
|
|
""",
|
|
"stderr": "",
|
|
"redacted": True,
|
|
},
|
|
id="_0_0_opts_NOP",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"src": "192.0.2.1",
|
|
"dst": "192.0.2.2",
|
|
"icmp_type": 0,
|
|
"icmp_code": 0,
|
|
"opts": "NOP-40",
|
|
},
|
|
{
|
|
"returncode": 0,
|
|
"stdout": """\
|
|
PING 192.0.2.2 (192.0.2.2): 56 data bytes
|
|
64 bytes from: icmp_seq=0 ttl= time= ms
|
|
wrong total length 124 instead of 84
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
NOP
|
|
|
|
--- 192.0.2.2 ping statistics ---
|
|
1 packets transmitted, 1 packets received, 0.0% packet loss
|
|
round-trip min/avg/max/stddev = /// ms
|
|
""",
|
|
"stderr": "",
|
|
"redacted": True,
|
|
},
|
|
id="_0_0_opts_NOP_40",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"src": "192.0.2.1",
|
|
"dst": "192.0.2.2",
|
|
"icmp_type": 0,
|
|
"icmp_code": 0,
|
|
"opts": "unk",
|
|
},
|
|
{
|
|
"returncode": 0,
|
|
"stdout": """\
|
|
PING 192.0.2.2 (192.0.2.2): 56 data bytes
|
|
64 bytes from: icmp_seq=0 ttl= time= ms
|
|
wrong total length 88 instead of 84
|
|
unknown option 9f
|
|
|
|
--- 192.0.2.2 ping statistics ---
|
|
1 packets transmitted, 1 packets received, 0.0% packet loss
|
|
round-trip min/avg/max/stddev = /// ms
|
|
""",
|
|
"stderr": "",
|
|
"redacted": True,
|
|
},
|
|
id="_0_0_opts_unk",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"src": "192.0.2.1",
|
|
"dst": "192.0.2.2",
|
|
"icmp_type": 3,
|
|
"icmp_code": 1,
|
|
"opts": "NOP-40",
|
|
},
|
|
{
|
|
"returncode": 2,
|
|
"stdout": """\
|
|
PING 192.0.2.2 (192.0.2.2): 56 data bytes
|
|
132 bytes from 192.0.2.2: Destination Host Unreachable
|
|
Vr HL TOS Len ID Flg off TTL Pro cks Src Dst
|
|
4 f 00 007c 0001 0 0000 40 01 d868 192.0.2.1 192.0.2.2 01010101010101010101010101010101010101010101010101010101010101010101010101010101
|
|
|
|
|
|
--- 192.0.2.2 ping statistics ---
|
|
1 packets transmitted, 0 packets received, 100.0% packet loss
|
|
""",
|
|
"stderr": "",
|
|
"redacted": False,
|
|
},
|
|
id="_3_1_opts_NOP_40",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"src": "192.0.2.1",
|
|
"dst": "192.0.2.2",
|
|
"icmp_type": 3,
|
|
"icmp_code": 1,
|
|
"flags": "DF",
|
|
},
|
|
{
|
|
"returncode": 2,
|
|
"stdout": """\
|
|
PING 192.0.2.2 (192.0.2.2): 56 data bytes
|
|
92 bytes from 192.0.2.2: Destination Host Unreachable
|
|
Vr HL TOS Len ID Flg off TTL Pro cks Src Dst
|
|
4 5 00 0054 0001 2 0000 40 01 b6a4 192.0.2.1 192.0.2.2
|
|
|
|
|
|
--- 192.0.2.2 ping statistics ---
|
|
1 packets transmitted, 0 packets received, 100.0% packet loss
|
|
""",
|
|
"stderr": "",
|
|
"redacted": False,
|
|
},
|
|
id="_3_1_flags_DF",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"src": "192.0.2.1",
|
|
"dst": "192.0.2.2",
|
|
"icmp_type": 3,
|
|
"icmp_code": 1,
|
|
"special": "tcp",
|
|
},
|
|
{
|
|
"returncode": 2,
|
|
"stdout": """\
|
|
PATTERN: 0x01
|
|
PING 192.0.2.2 (192.0.2.2): 56 data bytes
|
|
|
|
--- 192.0.2.2 ping statistics ---
|
|
1 packets transmitted, 0 packets received, 100.0% packet loss
|
|
""",
|
|
"stderr": """\
|
|
ping: quoted data too short (40 bytes) from 192.0.2.2
|
|
""",
|
|
"redacted": False,
|
|
},
|
|
id="_3_1_special_tcp",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"src": "192.0.2.1",
|
|
"dst": "192.0.2.2",
|
|
"icmp_type": 3,
|
|
"icmp_code": 1,
|
|
"special": "udp",
|
|
},
|
|
{
|
|
"returncode": 2,
|
|
"stdout": """\
|
|
PATTERN: 0x01
|
|
PING 192.0.2.2 (192.0.2.2): 56 data bytes
|
|
|
|
--- 192.0.2.2 ping statistics ---
|
|
1 packets transmitted, 0 packets received, 100.0% packet loss
|
|
""",
|
|
"stderr": """\
|
|
ping: quoted data too short (28 bytes) from 192.0.2.2
|
|
""",
|
|
"redacted": False,
|
|
},
|
|
id="_3_1_special_udp",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"src": "192.0.2.1",
|
|
"dst": "192.0.2.2",
|
|
"icmp_type": 3,
|
|
"icmp_code": 1,
|
|
"verbose": False,
|
|
},
|
|
{
|
|
"returncode": 2,
|
|
"stdout": """\
|
|
PING 192.0.2.2 (192.0.2.2): 56 data bytes
|
|
92 bytes from 192.0.2.2: Destination Host Unreachable
|
|
Vr HL TOS Len ID Flg off TTL Pro cks Src Dst
|
|
4 5 00 0054 0001 0 0000 40 01 f6a4 192.0.2.1 192.0.2.2
|
|
|
|
|
|
--- 192.0.2.2 ping statistics ---
|
|
1 packets transmitted, 0 packets received, 100.0% packet loss
|
|
""",
|
|
"stderr": "",
|
|
"redacted": False,
|
|
},
|
|
id="_3_1_verbose_false",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"src": "192.0.2.1",
|
|
"dst": "192.0.2.2",
|
|
"icmp_type": 3,
|
|
"icmp_code": 1,
|
|
"special": "not-mine",
|
|
"verbose": False,
|
|
},
|
|
{
|
|
"returncode": 2,
|
|
"stdout": """\
|
|
PATTERN: 0x01
|
|
PING 192.0.2.2 (192.0.2.2): 56 data bytes
|
|
|
|
--- 192.0.2.2 ping statistics ---
|
|
1 packets transmitted, 0 packets received, 100.0% packet loss
|
|
""",
|
|
"stderr": "",
|
|
"redacted": False,
|
|
},
|
|
id="_3_1_special_not_mine_verbose_false",
|
|
),
|
|
pytest.param(
|
|
{
|
|
"src": "192.0.2.1",
|
|
"dst": "192.0.2.2",
|
|
"icmp_type": 0,
|
|
"icmp_code": 0,
|
|
"special": "warp",
|
|
},
|
|
{
|
|
"returncode": 0,
|
|
"stdout": """\
|
|
PATTERN: 0x01
|
|
PING 192.0.2.2 (192.0.2.2): 56 data bytes
|
|
64 bytes from: icmp_seq=0 ttl= time= ms
|
|
|
|
--- 192.0.2.2 ping statistics ---
|
|
1 packets transmitted, 1 packets received, 0.0% packet loss
|
|
round-trip min/avg/max/stddev = /// ms
|
|
""",
|
|
"stderr": """\
|
|
ping: time of day goes back (- ms), clamping time to 0
|
|
""",
|
|
"redacted": True,
|
|
},
|
|
id="_0_0_special_warp",
|
|
),
|
|
]
|
|
|
|
@pytest.mark.parametrize("pinger_kargs, expected", pinger_testdata)
|
|
@pytest.mark.require_progs(["scapy"])
|
|
@pytest.mark.require_user("root")
|
|
def test_pinger(self, pinger_kargs, expected):
|
|
"""Test ping using pinger(), a reply faker"""
|
|
iface = IfaceFactory().create_iface("", "tun")[0].name
|
|
ping = pinger(iface, **pinger_kargs)
|
|
assert ping.returncode == expected["returncode"]
|
|
if expected["redacted"]:
|
|
assert redact(ping.stdout) == expected["stdout"]
|
|
assert redact(ping.stderr) == expected["stderr"]
|
|
else:
|
|
assert ping.stdout == expected["stdout"]
|
|
assert ping.stderr == expected["stderr"]
|