tests/sys/netpfil/pf/forward.sh

   1 # $FreeBSD$
   2
   3 . $(atf_get_srcdir)/utils.subr
   4
   5 common_dir=$(atf_get_srcdir)/../common
   6
   7 atf_test_case "v4" "cleanup"
   8 v4_head()
   9 {
  10         atf_set descr 'Basic forwarding test'
  11         atf_set require.user root
  12
  13         # We need scapy to be installed for out test scripts to work
  14         atf_set require.progs scapy
  15 }
  16
  17 v4_body()
  18 {
  19         pft_init
  20
  21         epair_send=$(vnet_mkepair)
  22         ifconfig ${epair_send}a 192.0.2.1/24 up
  23
  24         epair_recv=$(vnet_mkepair)
  25         ifconfig ${epair_recv}a up
  26
  27         vnet_mkjail alcatraz ${epair_send}b ${epair_recv}b
  28         jexec alcatraz ifconfig ${epair_send}b 192.0.2.2/24 up
  29         jexec alcatraz ifconfig ${epair_recv}b 198.51.100.2/24 up
  30         jexec alcatraz sysctl net.inet.ip.forwarding=1
  31         jexec alcatraz arp -s 198.51.100.3 00:01:02:03:04:05
  32         route add -net 198.51.100.0/24 192.0.2.2
  33
  34         # Sanity check, can we forward ICMP echo requests without pf?
  35         atf_check -s exit:0 $(atf_get_srcdir)/pft_ping.py \
  36                 --sendif ${epair_send}a \
  37                 --to 198.51.100.3 \
  38                 --recvif ${epair_recv}a
  39
  40         jexec alcatraz pfctl -e
  41
  42         # Forward with pf enabled
  43         pft_set_rules alcatraz "block in"
  44         atf_check -s exit:1 ${common_dir}/pft_ping.py \
  45                 --sendif ${epair_send}a \
  46                 --to 198.51.100.3 \
  47                 --recvif ${epair_recv}a
  48
  49         pft_set_rules alcatraz "block out"
  50         atf_check -s exit:1 ${common_dir}/pft_ping.py \
  51                 --sendif ${epair_send}a \
  52                 --to 198.51.100.3 \
  53                 --recv ${epair_recv}a
  54
  55         # Allow ICMP
  56         pft_set_rules alcatraz "block in" "pass in proto icmp"
  57         atf_check -s exit:0 ${common_dir}/pft_ping.py \
  58                 --sendif ${epair_send}a \
  59                 --to 198.51.100.3 \
  60                 --recvif ${epair_recv}a
  61 }
  62
  63 v4_cleanup()
  64 {
  65         pft_cleanup
  66 }
  67
  68 atf_test_case "v6" "cleanup"
  69 v6_head()
  70 {
  71         atf_set descr 'Basic IPv6 forwarding test'
  72         atf_set require.user root
  73         atf_set require.progs scapy
  74 }
  75
  76 v6_body()
  77 {
  78         pft_init
  79
  80         epair_send=$(vnet_mkepair)
  81         epair_recv=$(vnet_mkepair)
  82
  83         ifconfig ${epair_send}a inet6 2001:db8:42::1/64 up no_dad -ifdisabled
  84         ifconfig ${epair_recv}a up
  85
  86         vnet_mkjail alcatraz ${epair_send}b ${epair_recv}b
  87
  88         jexec alcatraz ifconfig ${epair_send}b inet6 2001:db8:42::2/64 up no_dad
  89         jexec alcatraz ifconfig ${epair_recv}b inet6 2001:db8:43::2/64 up no_dad
  90         jexec alcatraz sysctl net.inet6.ip6.forwarding=1
  91         jexec alcatraz ndp -s 2001:db8:43::3 00:01:02:03:04:05
  92         route add -6 2001:db8:43::/64 2001:db8:42::2
  93
  94         # Sanity check, can we forward ICMP echo requests without pf?
  95         atf_check -s exit:0 ${common_dir}/pft_ping.py \
  96                 --ip6 \
  97                 --sendif ${epair_send}a \
  98                 --to 2001:db8:43::3 \
  99                 --recvif ${epair_recv}a
 100
 101         jexec alcatraz pfctl -e
 102
 103         # Block incoming echo request packets
 104         pft_set_rules alcatraz \
 105                 "block in inet6 proto icmp6 icmp6-type echoreq"
 106         atf_check -s exit:1 ${common_dir}/pft_ping.py \
 107                 --ip6 \
 108                 --sendif ${epair_send}a \
 109                 --to 2001:db8:43::3 \
 110                 --recvif ${epair_recv}a
 111
 112         # Block outgoing echo request packets
 113         pft_set_rules alcatraz \
 114                 "block out inet6 proto icmp6 icmp6-type echoreq"
 115         atf_check -s exit:1 -e ignore ${common_dir}/pft_ping.py \
 116                 --ip6 \
 117                 --sendif ${epair_send}a \
 118                 --to 2001:db8:43::3 \
 119                 --recvif ${epair_recv}a
 120
 121         # Allow ICMPv6 but nothing else
 122         pft_set_rules alcatraz \
 123                 "block out" \
 124                 "pass out inet6 proto icmp6"
 125         atf_check -s exit:0 ${common_dir}/pft_ping.py \
 126                 --ip6 \
 127                 --sendif ${epair_send}a \
 128                 --to 2001:db8:43::3 \
 129                 --recvif ${epair_recv}a
 130
 131         # Allowing ICMPv4 does not allow ICMPv6
 132         pft_set_rules alcatraz \
 133                 "block out inet6 proto icmp6 icmp6-type echoreq" \
 134                 "pass in proto icmp"
 135         atf_check -s exit:1 ${common_dir}/pft_ping.py \
 136                 --ip6 \
 137                 --sendif ${epair_send}a \
 138                 --to 2001:db8:43::3 \
 139                 --recvif ${epair_recv}a
 140 }
 141
 142 v6_cleanup()
 143 {
 144         pft_cleanup
 145 }
 146
 147 atf_init_test_cases()
 148 {
 149         atf_add_test_case "v4"
 150         atf_add_test_case "v6"
 151 }