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# -*- coding: binary -*-
require 'spec_helper'
require 'packetfu/protos/eth'
require 'packetfu/protos/ip'
require 'packetfu/utils'
include PacketFu
describe Utils do
context "when using ifconfig" do
it "should prevent non-interface values" do
expect {
PacketFu::Utils.ifconfig("not_an_interface")
}.to raise_error(ArgumentError, /interface does not exist$/)
end
it "should work on Mac OSX Yosemite" do
stub_const("RUBY_PLATFORM", "x86_64-darwin14")
mac_osx_reply = "ifconfig en0\n" +
"en0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500\n" +
"ether 78:31:c1:ce:39:bc\n" +
"inet6 fe80::7a31:c1ff:fece:39bc%en0 prefixlen 64 scopeid 0x4\n" +
"inet 192.168.10.173 netmask 0xffffff00 broadcast 192.168.10.255\n" +
"nd6 options=1<PERFORMNUD>\n" +
"media: autoselect\n" +
"status: active\n"
allow(PacketFu::Utils).to receive(:ifconfig_data_string).and_return(mac_osx_reply)
util_reply = PacketFu::Utils.ifconfig("en0")
# Ensure we got a hash back
expect(util_reply).to be_a(::Hash)
# Ensure all our values parse correctly
expect(util_reply[:iface]).to eq("en0")
expect(util_reply[:eth_saddr]).to eq("78:31:c1:ce:39:bc")
expect(util_reply[:eth_src]).to eq("x1\xC1\xCE9\xBC")
expect(util_reply[:ip6_saddr]).to eq("fe80::7a31:c1ff:fece:39bc")
expect(util_reply[:ip6_obj]).to eq(IPAddr.new("fe80::7a31:c1ff:fece:39bc"))
expect(util_reply[:ip_saddr]).to eq("192.168.10.173")
expect(util_reply[:ip_src]).to eq("\xC0\xA8\n\xAD")
expect(util_reply[:ip4_obj]).to eq(IPAddr.new("192.168.10.0/24"))
end
it "should work on Ubuntu 14.04 LTS" do
stub_const("RUBY_PLATFORM", "x86_64-linux")
ubuntu_reply = "eth0 Link encap:Ethernet HWaddr 00:0c:29:2a:e3:bd\n" +
"inet addr:192.168.10.174 Bcast:192.168.10.255 Mask:255.255.255.0\n" +
"inet6 addr: fe80::20c:29ff:fe2a:e3bd/64 Scope:Link\n" +
"UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1\n" +
"RX packets:65782 errors:0 dropped:0 overruns:0 frame:0\n" +
"TX packets:31354 errors:0 dropped:0 overruns:0 carrier:0\n" +
"collisions:0 txqueuelen:1000\n" +
"RX bytes:40583515 (40.5 MB) TX bytes:3349554 (3.3 MB)"
allow(PacketFu::Utils).to receive(:ifconfig_data_string).and_return(ubuntu_reply)
util_reply = PacketFu::Utils.ifconfig("eth0")
# Ensure we got a hash back
expect(util_reply).to be_a(::Hash)
# Ensure all our values parse correctly
expect(util_reply[:iface]).to eq("eth0")
expect(util_reply[:eth_saddr]).to eq("00:0c:29:2a:e3:bd")
expect(util_reply[:eth_src]).to eq("\x00\f)*\xE3\xBD")
expect(util_reply[:ip6_saddr]).to eq("fe80::20c:29ff:fe2a:e3bd/64")
expect(util_reply[:ip6_obj]).to eq(IPAddr.new("fe80::20c:29ff:fe2a:e3bd/64"))
expect(util_reply[:ip_saddr]).to eq("192.168.10.174")
expect(util_reply[:ip_src]).to eq("\xC0\xA8\n\xAE")
expect(util_reply[:ip4_obj]).to eq(IPAddr.new("192.168.10.0/24"))
end
it "should work on FreeBSD" do
stub_const("RUBY_PLATFORM", "freebsd")
freebsd_reply = "dc0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500\n" +
"options=80008<VLAN_MTU,LINKSTATE>\n" +
"ether 00:a0:cc:da:da:da\n" +
"inet 192.168.1.3 netmask 0xffffff00 broadcast 192.168.1.255\n" +
"media: Ethernet autoselect (100baseTX <full-duplex>)\n" +
"status: active"
allow(PacketFu::Utils).to receive(:ifconfig_data_string).and_return(freebsd_reply)
util_reply = PacketFu::Utils.ifconfig("dc0")
# Ensure we got a hash back
expect(util_reply).to be_a(::Hash)
# Ensure all our values parse correctly
expect(util_reply[:iface]).to eq("dc0")
expect(util_reply[:eth_saddr]).to eq("00:a0:cc:da:da:da")
expect(util_reply[:eth_src]).to eq("\x00\xA0\xCC\xDA\xDA\xDA")
expect(util_reply[:ip6_saddr]).to eq(nil)
expect(util_reply[:ip6_obj]).to eq(nil)
expect(util_reply[:ip_saddr]).to eq("192.168.1.3")
expect(util_reply[:ip_src]).to eq("\xC0\xA8\x01\x03")
expect(util_reply[:ip4_obj]).to eq(IPAddr.new("192.168.1.0/24"))
end
it "should work on OpenBSD" do
stub_const("RUBY_PLATFORM", "openbsd")
openbsd_reply = "em0: flags=8b43\\<UP,BROADCAST,RUNNING,PROMISC,ALLMULTI,SIMPLEX,MULTICAST\\> mtu 1500\n" +
" lladdr 00:01:02:03:04:05\n" +
" priority: 0\n" +
" groups: egress\n" +
" media: Ethernet autoselect (1000baseT full-duplex,rxpause,txpause)\n" +
" status: active\n" +
" inet 10.0.0.1 netmask 0xffffff00 broadcast 10.0.0.255"
allow(PacketFu::Utils).to receive(:ifconfig_data_string).and_return(openbsd_reply)
util_reply = PacketFu::Utils.ifconfig("em0")
# Ensure we got a hash back
expect(util_reply).to be_a(::Hash)
# Ensure all our values parse correctly
expect(util_reply[:iface]).to eq("em0")
expect(util_reply[:eth_saddr]).to eq("00:01:02:03:04:05")
expect(util_reply[:eth_src]).to eq("\x00\x01\x02\x03\x04\x05")
expect(util_reply[:ip6_saddr]).to eq(nil)
expect(util_reply[:ip6_obj]).to eq(nil)
expect(util_reply[:ip_saddr]).to eq("10.0.0.1")
expect(util_reply[:ip_src]).to eq("\n\x00\x00\x01")
expect(util_reply[:ip4_obj]).to eq(IPAddr.new("10.0.0.0/24"))
end
end
context 'when using arp' do
before(:all) do
@whoami = lambda { |iface| {
:iface => iface,
:eth_saddr => '00:01:02:03:dd:b3',
:eth_src => "\x00\x01\x02\x03\xdd\xb3",
:ip_saddr => '192.168.254.1',
:ip_src => 0xc0a8fe01,
:ip_src_bin => "\xc0\xa8\xfe\x01",
:eth_dst => "\x00\x01\x02\x03\xcc\xb2",
:eth_daddr => '00:01:02:03:cc:b2',
} }
end
context 'when cached' do
it 'should work on Mac OSX Yosemite' do
stub_const('RUBY_PLATFORM', 'macosx')
mac_osx_reply = "? (192.168.254.57) at 64:00:00:00:cc:b2 on en0 ifscope [ethernet]\n"
allow(PacketFu::Utils).to receive(:arp_cache_raw).and_return(mac_osx_reply)
whoami_reply = @whoami.call('em0')
allow(PacketFu::Utils).to receive(:whoami?).and_return(whoami_reply)
util_reply = PacketFu::Utils.arp('192.168.254.57')
expect(util_reply).to be_a(String)
expect(util_reply).to eq('64:00:00:00:cc:b2')
end
it 'should work on Ubuntu 14.04 LTS' do
stub_const('RUBY_PLATFORM', 'x86_64-linux')
ubuntu_reply = "? (192.168.254.56) at 00:01:02:03:cc:b2 [ether] on eth0\n"
allow(PacketFu::Utils).to receive(:arp_cache_raw).and_return(ubuntu_reply)
whoami_reply = @whoami.call('eth0')
allow(PacketFu::Utils).to receive(:whoami?).and_return(whoami_reply)
util_reply = PacketFu::Utils.arp('192.168.254.56')
expect(util_reply).to be_a(String)
expect(util_reply).to eq('00:01:02:03:cc:b2')
end
it 'should work on FreeBSD' do
stub_const('RUBY_PLATFORM', 'freebsd')
freebsd_reply = "? (192.168.254.57) at 00:13:20:c3:7d:22 on em0 [ethernet]\n"
allow(PacketFu::Utils).to receive(:arp_cache_raw).and_return(freebsd_reply)
whoami_reply = @whoami.call('em0')
allow(PacketFu::Utils).to receive(:whoami?).and_return(whoami_reply)
util_reply = PacketFu::Utils.arp('192.168.254.57')
expect(util_reply).to be_a(String)
expect(util_reply).to eq('00:13:20:c3:7d:22')
end
end
end
end
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