# 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 ]