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|
# ip length 232
ip test-ip4 input
[ payload load 2b @ network header + 2 => reg 1 ]
[ cmp eq reg 1 0x0000e800 ]
# ip length != 233
ip test-ip4 input
[ payload load 2b @ network header + 2 => reg 1 ]
[ cmp neq reg 1 0x0000e900 ]
# ip length 333-435
ip test-ip4 input
[ payload load 2b @ network header + 2 => reg 1 ]
[ cmp gte reg 1 0x00004d01 ]
[ cmp lte reg 1 0x0000b301 ]
# ip length != 333-453
ip test-ip4 input
[ payload load 2b @ network header + 2 => reg 1 ]
[ cmp lt reg 1 0x00004d01 ]
[ cmp gt reg 1 0x0000c501 ]
# ip length { 333, 553, 673, 838}
set%d test-ip4 3
set%d test-ip4 0
element 00004d01 : 0 [end] element 00002902 : 0 [end] element 0000a102 : 0 [end] element 00004603 : 0 [end]
ip test-ip4 input
[ payload load 2b @ network header + 2 => reg 1 ]
[ lookup reg 1 set set%d ]
# ip length { 333-535}
set%d test-ip4 7
set%d test-ip4 0
element 00000000 : 1 [end] element 00004d01 : 0 [end] element 00001802 : 1 [end]
ip test-ip4 input
[ payload load 2b @ network header + 2 => reg 1 ]
[ lookup reg 1 set set%d ]
# ip id 22
ip test-ip4 input
[ payload load 2b @ network header + 4 => reg 1 ]
[ cmp eq reg 1 0x00001600 ]
# ip id != 233
ip test-ip4 input
[ payload load 2b @ network header + 4 => reg 1 ]
[ cmp neq reg 1 0x0000e900 ]
# ip id 33-45
ip test-ip4 input
[ payload load 2b @ network header + 4 => reg 1 ]
[ cmp gte reg 1 0x00002100 ]
[ cmp lte reg 1 0x00002d00 ]
# ip id != 33-45
ip test-ip4 input
[ payload load 2b @ network header + 4 => reg 1 ]
[ cmp lt reg 1 0x00002100 ]
[ cmp gt reg 1 0x00002d00 ]
# ip id { 33, 55, 67, 88}
set%d test-ip4 3
set%d test-ip4 0
element 00002100 : 0 [end] element 00003700 : 0 [end] element 00004300 : 0 [end] element 00005800 : 0 [end]
ip test-ip4 input
[ payload load 2b @ network header + 4 => reg 1 ]
[ lookup reg 1 set set%d ]
# ip id { 33-55}
set%d test-ip4 7
set%d test-ip4 0
element 00000000 : 1 [end] element 00002100 : 0 [end] element 00003800 : 1 [end]
ip test-ip4 input
[ payload load 2b @ network header + 4 => reg 1 ]
[ lookup reg 1 set set%d ]
# ip frag-off 222 accept
ip test-ip4 input
[ payload load 2b @ network header + 6 => reg 1 ]
[ cmp eq reg 1 0x0000de00 ]
[ immediate reg 0 accept ]
# ip frag-off != 233
ip test-ip4 input
[ payload load 2b @ network header + 6 => reg 1 ]
[ cmp neq reg 1 0x0000e900 ]
# ip frag-off 33-45
ip test-ip4 input
[ payload load 2b @ network header + 6 => reg 1 ]
[ cmp gte reg 1 0x00002100 ]
[ cmp lte reg 1 0x00002d00 ]
# ip frag-off != 33-45
ip test-ip4 input
[ payload load 2b @ network header + 6 => reg 1 ]
[ cmp lt reg 1 0x00002100 ]
[ cmp gt reg 1 0x00002d00 ]
# ip frag-off { 33, 55, 67, 88}
set%d test-ip4 3
set%d test-ip4 0
element 00002100 : 0 [end] element 00003700 : 0 [end] element 00004300 : 0 [end] element 00005800 : 0 [end]
ip test-ip4 input
[ payload load 2b @ network header + 6 => reg 1 ]
[ lookup reg 1 set set%d ]
# ip frag-off { 33-55}
set%d test-ip4 7
set%d test-ip4 0
element 00000000 : 1 [end] element 00002100 : 0 [end] element 00003800 : 1 [end]
ip test-ip4 input
[ payload load 2b @ network header + 6 => reg 1 ]
[ lookup reg 1 set set%d ]
# ip ttl 0 drop
ip test-ip4 input
[ payload load 1b @ network header + 8 => reg 1 ]
[ cmp eq reg 1 0x00000000 ]
[ immediate reg 0 drop ]
# ip ttl 233 log
ip test-ip4 input
[ payload load 1b @ network header + 8 => reg 1 ]
[ cmp eq reg 1 0x000000e9 ]
[ log prefix (null) ]
# ip ttl 33-55
ip test-ip4 input
[ payload load 1b @ network header + 8 => reg 1 ]
[ cmp gte reg 1 0x00000021 ]
[ cmp lte reg 1 0x00000037 ]
# ip ttl != 45-50
ip test-ip4 input
[ payload load 1b @ network header + 8 => reg 1 ]
[ cmp lt reg 1 0x0000002d ]
[ cmp gt reg 1 0x00000032 ]
# ip ttl {43, 53, 45 }
set%d test-ip4 3
set%d test-ip4 0
element 0000002b : 0 [end] element 00000035 : 0 [end] element 0000002d : 0 [end]
ip test-ip4 input
[ payload load 1b @ network header + 8 => reg 1 ]
[ lookup reg 1 set set%d ]
# ip ttl { 33-55}
set%d test-ip4 7
set%d test-ip4 0
element 00000000 : 1 [end] element 00000021 : 0 [end] element 00000038 : 1 [end]
ip test-ip4 input
[ payload load 1b @ network header + 8 => reg 1 ]
[ lookup reg 1 set set%d ]
# ip protocol tcp log
ip test-ip4 input
[ payload load 1b @ network header + 9 => reg 1 ]
[ cmp eq reg 1 0x00000006 ]
[ log prefix (null) ]
# ip protocol != tcp log
ip test-ip4 input
[ payload load 1b @ network header + 9 => reg 1 ]
[ cmp neq reg 1 0x00000006 ]
[ log prefix (null) ]
# ip protocol { icmp, esp, ah, comp, udp, udplite, tcp, dccp, sctp} accept
set%d test-ip4 3
set%d test-ip4 0
element 00000001 : 0 [end] element 00000032 : 0 [end] element 00000033 : 0 [end] element 0000006c : 0 [end] element 00000011 : 0 [end] element 00000088 : 0 [end] element 00000006 : 0 [end] element 00000021 : 0 [end] element 00000084 : 0 [end]
ip test-ip4 input
[ payload load 1b @ network header + 9 => reg 1 ]
[ lookup reg 1 set set%d ]
[ immediate reg 0 accept ]
# ip checksum 13172 drop
ip test-ip4 input
[ payload load 2b @ network header + 10 => reg 1 ]
[ cmp eq reg 1 0x00007433 ]
[ immediate reg 0 drop ]
# ip checksum 22
ip test-ip4 input
[ payload load 2b @ network header + 10 => reg 1 ]
[ cmp eq reg 1 0x00001600 ]
# ip checksum != 233
ip test-ip4 input
[ payload load 2b @ network header + 10 => reg 1 ]
[ cmp neq reg 1 0x0000e900 ]
# ip checksum 33-45
ip test-ip4 input
[ payload load 2b @ network header + 10 => reg 1 ]
[ cmp gte reg 1 0x00002100 ]
[ cmp lte reg 1 0x00002d00 ]
# ip checksum != 33-45
ip test-ip4 input
[ payload load 2b @ network header + 10 => reg 1 ]
[ cmp lt reg 1 0x00002100 ]
[ cmp gt reg 1 0x00002d00 ]
# ip checksum { 33, 55, 67, 88}
set%d test-ip4 3
set%d test-ip4 0
element 00002100 : 0 [end] element 00003700 : 0 [end] element 00004300 : 0 [end] element 00005800 : 0 [end]
ip test-ip4 input
[ payload load 2b @ network header + 10 => reg 1 ]
[ lookup reg 1 set set%d ]
# ip checksum { 33-55}
set%d test-ip4 7
set%d test-ip4 0
element 00000000 : 1 [end] element 00002100 : 0 [end] element 00003800 : 1 [end]
ip test-ip4 input
[ payload load 2b @ network header + 10 => reg 1 ]
[ lookup reg 1 set set%d ]
# ip saddr 192.168.2.0/24
ip test-ip4 input
[ payload load 4b @ network header + 12 => reg 1 ]
[ bitwise reg 1 = (reg=1 & 0x00ffffff ) ^ 0x00000000 ]
[ cmp eq reg 1 0x0002a8c0 ]
# ip saddr != 192.168.2.0/24
ip test-ip4 input
[ payload load 4b @ network header + 12 => reg 1 ]
[ bitwise reg 1 = (reg=1 & 0x00ffffff ) ^ 0x00000000 ]
[ cmp neq reg 1 0x0002a8c0 ]
# ip saddr 192.168.3.1 ip daddr 192.168.3.100
ip test-ip4 input
[ payload load 8b @ network header + 12 => reg 1 ]
[ cmp eq reg 1 0x0103a8c0 0x6403a8c0 ]
# ip saddr != 1.1.1.1 log prefix giuseppe
ip test-ip4 input
[ payload load 4b @ network header + 12 => reg 1 ]
[ cmp neq reg 1 0x01010101 ]
[ log prefix giuseppe ]
# ip saddr 1.1.1.1 log prefix example group 1
ip test-ip4 input
[ payload load 4b @ network header + 12 => reg 1 ]
[ cmp eq reg 1 0x01010101 ]
[ log prefix example group 1 snaplen 0 qthreshold 0]
# ip daddr 192.168.0.1-192.168.0.250
ip test-ip4 input
[ payload load 4b @ network header + 16 => reg 1 ]
[ cmp gte reg 1 0x0100a8c0 ]
[ cmp lte reg 1 0xfa00a8c0 ]
# ip daddr 10.0.0.0-10.255.255.255
ip test-ip4 input
[ payload load 4b @ network header + 16 => reg 1 ]
[ cmp gte reg 1 0x0000000a ]
[ cmp lte reg 1 0xffffff0a ]
# ip daddr 172.16.0.0-172.31.255.255
ip test-ip4 input
[ payload load 4b @ network header + 16 => reg 1 ]
[ cmp gte reg 1 0x000010ac ]
[ cmp lte reg 1 0xffff1fac ]
# ip daddr 192.168.3.1-192.168.4.250
ip test-ip4 input
[ payload load 4b @ network header + 16 => reg 1 ]
[ cmp gte reg 1 0x0103a8c0 ]
[ cmp lte reg 1 0xfa04a8c0 ]
# ip daddr != 192.168.0.1-192.168.0.250
ip test-ip4 input
[ payload load 4b @ network header + 16 => reg 1 ]
[ cmp lt reg 1 0x0100a8c0 ]
[ cmp gt reg 1 0xfa00a8c0 ]
# ip daddr { 192.168.0.1-192.168.0.250}
set%d test-ip4 7
set%d test-ip4 0
element 00000000 : 1 [end] element 0100a8c0 : 0 [end] element fb00a8c0 : 1 [end]
ip test-ip4 input
[ payload load 4b @ network header + 16 => reg 1 ]
[ lookup reg 1 set set%d ]
# ip daddr { 192.168.5.1, 192.168.5.2, 192.168.5.3 } accept
set%d test-ip4 3
set%d test-ip4 0
element 0105a8c0 : 0 [end] element 0205a8c0 : 0 [end] element 0305a8c0 : 0 [end]
ip test-ip4 input
[ payload load 4b @ network header + 16 => reg 1 ]
[ lookup reg 1 set set%d ]
[ immediate reg 0 accept ]
# ip daddr 192.168.1.2-192.168.1.55
ip test-ip4 input
[ payload load 4b @ network header + 16 => reg 1 ]
[ cmp gte reg 1 0x0201a8c0 ]
[ cmp lte reg 1 0x3701a8c0 ]
# ip daddr != 192.168.1.2-192.168.1.55
ip test-ip4 input
[ payload load 4b @ network header + 16 => reg 1 ]
[ cmp lt reg 1 0x0201a8c0 ]
[ cmp gt reg 1 0x3701a8c0 ]
# ip saddr 192.168.1.3-192.168.33.55
ip test-ip4 input
[ payload load 4b @ network header + 12 => reg 1 ]
[ cmp gte reg 1 0x0301a8c0 ]
[ cmp lte reg 1 0x3721a8c0 ]
# ip saddr != 192.168.1.3-192.168.33.55
ip test-ip4 input
[ payload load 4b @ network header + 12 => reg 1 ]
[ cmp lt reg 1 0x0301a8c0 ]
[ cmp gt reg 1 0x3721a8c0 ]
# ip daddr 192.168.0.1
ip test-ip4 input
[ payload load 4b @ network header + 16 => reg 1 ]
[ cmp eq reg 1 0x0100a8c0 ]
# ip daddr 192.168.0.1 drop
ip test-ip4 input
[ payload load 4b @ network header + 16 => reg 1 ]
[ cmp eq reg 1 0x0100a8c0 ]
[ immediate reg 0 drop ]
# ip daddr 192.168.0.2 log
ip test-ip4 input
[ payload load 4b @ network header + 16 => reg 1 ]
[ cmp eq reg 1 0x0200a8c0 ]
[ log prefix (null) ]
# ip saddr \& 0xff == 1
ip test-ip4 input
[ payload load 4b @ network header + 12 => reg 1 ]
[ bitwise reg 1 = (reg=1 & 0xff000000 ) ^ 0x00000000 ]
[ cmp eq reg 1 0x01000000 ]
# ip saddr \& 0.0.0.255 \< 0.0.0.127
ip test-ip4 input
[ payload load 4b @ network header + 12 => reg 1 ]
[ bitwise reg 1 = (reg=1 & 0xff000000 ) ^ 0x00000000 ]
[ cmp lt reg 1 0x7f000000 ]
# ip saddr \& 0xffff0000 == 0xffff0000
ip test-ip4 input
[ payload load 4b @ network header + 12 => reg 1 ]
[ bitwise reg 1 = (reg=1 & 0x0000ffff ) ^ 0x00000000 ]
[ cmp eq reg 1 0x0000ffff ]
# ip saddr . ip daddr . ip protocol { 1.1.1.1 . 2.2.2.2 . tcp, 1.1.1.1 . 3.3.3.3 . udp}
set%d test-ip 3
set%d test-ip 0
element 01010101 02020202 00000006 : 0 [end] element 01010101 03030303 00000011 : 0 [end]
ip test-ip input
[ payload load 4b @ network header + 12 => reg 1 ]
[ payload load 4b @ network header + 16 => reg 9 ]
[ payload load 1b @ network header + 9 => reg 10 ]
[ lookup reg 1 set set%d ]
# ip version 4 ip hdrlength 5
ip test-ip4 input
[ payload load 1b @ network header + 0 => reg 1 ]
[ bitwise reg 1 = (reg=1 & 0x000000f0 ) ^ 0x00000000 ]
[ cmp eq reg 1 0x00000040 ]
[ payload load 1b @ network header + 0 => reg 1 ]
[ bitwise reg 1 = (reg=1 & 0x0000000f ) ^ 0x00000000 ]
[ cmp eq reg 1 0x00000005 ]
# ip hdrlength 0
ip test-ip4 input
[ payload load 1b @ network header + 0 => reg 1 ]
[ bitwise reg 1 = (reg=1 & 0x0000000f ) ^ 0x00000000 ]
[ cmp eq reg 1 0x00000000 ]
# ip hdrlength 15
ip test-ip4 input
[ payload load 1b @ network header + 0 => reg 1 ]
[ bitwise reg 1 = (reg=1 & 0x0000000f ) ^ 0x00000000 ]
[ cmp eq reg 1 0x0000000f ]
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