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This file was processed as: Tape Archive
(archive/tar).
You can browse this item here: fspscan.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 fspscan.c, mode 100644 , uid 3732 , gid 155 , size 21775 , seconds 5566527277, user rob
| default
| |
| 98%
| file
| data
| default
| |
| 62%
| TrID
| TAR - Tape ARchive (GNU)
| default
| |
| 37%
| TrID
| TAR - Tape ARchive (file)
| 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+--------+-------------------------+-------------------------+--------+--------+
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|00000260| 20 57 65 6e 2d 4b 69 6e | 67 20 53 75 20 28 77 65 | Wen-Kin|g Su (we|
|00000270| 6e 2d 6b 69 6e 67 40 76 | 6c 73 69 2e 63 73 2e 63 |n-king@v|lsi.cs.c|
|00000280| 61 6c 74 65 63 68 2e 65 | 64 75 29 20 20 20 2a 0a |altech.e|du) *.|
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|00000310| 73 68 2c 20 70 72 6f 76 | 69 64 65 64 20 20 2a 0a |sh, prov|ided *.|
|00000320| 2a 20 20 74 68 61 74 20 | 74 68 69 73 20 6e 6f 74 |* that |this not|
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|00000340| 63 6c 75 64 65 64 2c 20 | 61 6e 64 20 74 68 61 74 |cluded, |and that|
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|00000370| 65 73 73 20 66 6f 72 20 | 61 6e 79 20 6c 6f 73 73 |ess for |any loss|
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|00000390| 74 69 6e 67 20 66 72 6f | 6d 20 74 68 65 20 69 6e |ting fro|m the in|
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|000003b0| 2a 20 20 75 73 65 20 6f | 66 20 74 68 69 73 20 73 |* use o|f this s|
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|00000420| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
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|00000490| 2d 2d 20 68 61 63 6b 20 | 6f 66 20 66 76 65 72 20 |-- hack |of fver |
|000004a0| 74 6f 20 66 69 6e 64 20 | 76 61 6c 69 64 20 70 6f |to find |valid po|
|000004b0| 72 74 73 20 6f 6e 20 61 | 20 46 53 50 20 73 65 72 |rts on a| FSP ser|
|000004c0| 76 65 72 20 2a 0a 20 2a | 20 62 79 20 43 75 64 61 |ver *. *| by Cuda|
|000004d0| 2e 20 20 59 65 73 2c 20 | 69 74 27 73 20 75 67 6c |. Yes, |it's ugl|
|000004e0| 79 2c 20 62 75 74 20 69 | 74 20 77 6f 72 6b 73 20 |y, but i|t works |
|000004f0| 66 6f 72 20 6d 65 2e 20 | 20 20 20 20 20 20 20 20 |for me. | |
|00000500| 20 20 20 20 20 20 2a 0a | 20 2a 20 54 79 70 65 20 | *.| * Type |
|00000510| 22 66 73 70 73 63 61 6e | 20 2d 68 22 20 74 6f 20 |"fspscan| -h" to |
|00000520| 73 65 65 20 68 6f 77 20 | 69 74 20 69 73 20 75 73 |see how |it is us|
|00000530| 65 64 2e 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |ed. | |
|00000540| 20 20 20 20 20 20 20 20 | 2a 0a 20 2a 2a 2a 2a 2a | |*. *****|
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|00000560| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00000570| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00000580| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2f 0a 0a 23 69 |********|***/..#i|
|00000590| 6e 63 6c 75 64 65 20 22 | 66 73 70 73 63 61 6e 2e |nclude "|fspscan.|
|000005a0| 68 22 0a 23 69 6e 63 6c | 75 64 65 20 3c 6e 65 74 |h".#incl|ude <net|
|000005b0| 64 62 2e 68 3e 0a 0a 63 | 68 61 72 20 2a 68 6f 73 |db.h>..c|har *hos|
|000005c0| 74 20 3d 20 4e 55 4c 4c | 3b 0a 63 68 61 72 20 2a |t = NULL|;.char *|
|000005d0| 6f 75 74 70 75 74 66 69 | 6c 65 20 3d 20 4e 55 4c |outputfi|le = NUL|
|000005e0| 4c 3b 0a 2f 2a 20 44 65 | 66 61 75 6c 74 20 76 61 |L;./* De|fault va|
|000005f0| 6c 75 65 73 20 2a 2f 0a | 69 6e 74 20 20 6c 6f 63 |lues */.|int loc|
|00000600| 61 6c 70 6f 72 74 20 3d | 20 39 31 39 31 3b 20 0a |alport =| 9191; .|
|00000610| 69 6e 74 20 20 72 65 6d | 6f 74 65 70 6f 72 74 20 |int rem|oteport |
|00000620| 3d 20 32 31 3b 0a 69 6e | 74 20 20 72 65 74 72 69 |= 21;.in|t retri|
|00000630| 65 73 20 3d 20 33 3b 0a | 69 6e 74 20 20 63 6c 69 |es = 3;.|int cli|
|00000640| 65 6e 74 5f 74 72 61 63 | 65 20 3d 20 30 3b 0a 69 |ent_trac|e = 0;.i|
|00000650| 6e 74 20 20 65 72 72 6e | 6f 3b 0a 0a 73 74 61 74 |nt errn|o;..stat|
|00000660| 69 63 20 69 6e 74 20 6d | 79 66 64 3b 0a 73 74 61 |ic int m|yfd;.sta|
|00000670| 74 69 63 20 73 74 72 75 | 63 74 20 73 6f 63 6b 61 |tic stru|ct socka|
|00000680| 64 64 72 5f 69 6e 20 73 | 65 72 76 65 72 5f 61 64 |ddr_in s|erver_ad|
|00000690| 64 72 3b 0a 73 74 61 74 | 69 63 20 75 6e 73 69 67 |dr;.stat|ic unsig|
|000006a0| 6e 65 64 20 73 68 6f 72 | 74 20 6d 79 73 65 71 20 |ned shor|t myseq |
|000006b0| 3d 20 30 3b 0a 73 74 61 | 74 69 63 20 75 6e 73 69 |= 0;.sta|tic unsi|
|000006c0| 67 6e 65 64 20 73 68 6f | 72 74 20 6b 65 79 3b 0a |gned sho|rt key;.|
|000006d0| 69 6e 74 20 63 6c 69 65 | 6e 74 5f 69 6e 74 72 5f |int clie|nt_intr_|
|000006e0| 73 74 61 74 65 20 3d 20 | 30 3b 0a 0a 73 74 61 74 |state = |0;..stat|
|000006f0| 69 63 20 73 74 72 75 63 | 74 20 73 6f 63 6b 61 64 |ic struc|t sockad|
|00000700| 64 72 5f 69 6e 20 49 4e | 45 54 5f 5a 45 52 4f 20 |dr_in IN|ET_ZERO |
|00000710| 3d 20 7b 20 41 46 5f 49 | 4e 45 54 20 7d 3b 0a 0a |= { AF_I|NET };..|
|00000720| 23 64 65 66 69 6e 65 20 | 44 53 49 5a 45 20 28 73 |#define |DSIZE (s|
|00000730| 69 7a 65 6f 66 28 69 6e | 74 29 2a 38 29 0a 23 64 |izeof(in|t)*8).#d|
|00000740| 65 66 69 6e 65 20 53 41 | 56 45 28 41 29 20 7b 20 |efine SA|VE(A) { |
|00000750| 69 6e 74 20 73 61 76 3b | 20 73 61 76 20 3d 20 65 |int sav;| sav = e|
|00000760| 72 72 6e 6f 3b 20 41 3b | 20 65 72 72 6e 6f 20 3d |rrno; A;| errno =|
|00000770| 20 73 61 76 3b 20 7d 0a | 0a 6c 6f 6e 67 20 69 6e | sav; }.|.long in|
|00000780| 65 74 5f 61 64 64 72 28 | 29 3b 0a 0a 6d 61 69 6e |et_addr(|);..main|
|00000790| 28 61 72 67 63 2c 61 72 | 67 76 29 0a 69 6e 74 20 |(argc,ar|gv).int |
|000007a0| 61 72 67 63 3b 0a 63 68 | 61 72 20 2a 2a 61 72 67 |argc;.ch|ar **arg|
|000007b0| 76 3b 0a 7b 0a 20 20 20 | 20 69 6e 74 20 20 69 3b |v;.{. | int i;|
|000007c0| 0a 20 20 20 20 55 42 55 | 46 20 2a 75 62 3b 0a 20 |. UBU|F *ub;. |
|000007d0| 20 20 20 46 49 4c 45 20 | 2a 6c 6f 67 66 69 6c 65 | FILE |*logfile|
|000007e0| 3b 0a 20 20 20 20 65 78 | 74 65 72 6e 20 63 68 61 |;. ex|tern cha|
|000007f0| 72 20 2a 6f 70 74 61 72 | 67 3b 0a 0a 20 20 20 20 |r *optar|g;.. |
|00000800| 77 68 69 6c 65 20 28 28 | 69 20 3d 20 67 65 74 6f |while ((|i = geto|
|00000810| 70 74 28 61 72 67 63 2c | 20 61 72 67 76 2c 20 22 |pt(argc,| argv, "|
|00000820| 68 74 70 3a 6f 3a 72 3a | 6c 3a 69 3a 22 29 29 20 |htp:o:r:|l:i:")) |
|00000830| 21 3d 20 45 4f 46 29 20 | 7b 0a 09 73 77 69 74 63 |!= EOF) |{..switc|
|00000840| 68 28 69 29 20 7b 0a 09 | 63 61 73 65 20 27 68 27 |h(i) {..|case 'h'|
|00000850| 3a 0a 09 20 20 20 20 70 | 72 69 6e 74 68 65 6c 70 |:.. p|rinthelp|
|00000860| 28 61 72 67 63 2c 20 61 | 72 67 76 29 3b 0a 09 20 |(argc, a|rgv);.. |
|00000870| 20 20 20 62 72 65 61 6b | 3b 0a 20 20 20 20 20 20 | break|;. |
|00000880| 20 20 63 61 73 65 20 27 | 74 27 3a 0a 09 20 20 20 | case '|t':.. |
|00000890| 20 63 6c 69 65 6e 74 5f | 74 72 61 63 65 3d 31 3b | client_|trace=1;|
|000008a0| 0a 09 20 20 20 20 62 72 | 65 61 6b 3b 0a 20 20 20 |.. br|eak;. |
|000008b0| 20 20 20 20 20 63 61 73 | 65 20 27 72 27 3a 0a 09 | cas|e 'r':..|
|000008c0| 20 20 20 20 72 65 74 72 | 69 65 73 3d 61 74 6f 69 | retr|ies=atoi|
|000008d0| 28 6f 70 74 61 72 67 29 | 3b 0a 09 20 20 20 20 62 |(optarg)|;.. b|
|000008e0| 72 65 61 6b 3b 0a 09 63 | 61 73 65 20 27 70 27 3a |reak;..c|ase 'p':|
|000008f0| 0a 09 20 20 20 20 72 65 | 6d 6f 74 65 70 6f 72 74 |.. re|moteport|
|00000900| 3d 61 74 6f 69 28 6f 70 | 74 61 72 67 29 3b 0a 09 |=atoi(op|targ);..|
|00000910| 20 20 20 20 62 72 65 61 | 6b 3b 0a 09 63 61 73 65 | brea|k;..case|
|00000920| 20 27 6c 27 3a 0a 09 20 | 20 20 20 6c 6f 63 61 6c | 'l':.. | local|
|00000930| 70 6f 72 74 3d 61 74 6f | 69 28 6f 70 74 61 72 67 |port=ato|i(optarg|
|00000940| 29 3b 0a 09 20 20 20 20 | 62 72 65 61 6b 3b 0a 09 |);.. |break;..|
|00000950| 63 61 73 65 20 27 69 27 | 3a 0a 09 20 20 20 20 68 |case 'i'|:.. h|
|00000960| 6f 73 74 20 3d 20 28 63 | 68 61 72 20 2a 29 20 6d |ost = (c|har *) m|
|00000970| 61 6c 6c 6f 63 28 73 74 | 72 6c 65 6e 28 6f 70 74 |alloc(st|rlen(opt|
|00000980| 61 72 67 29 2b 31 29 3b | 0a 09 20 20 20 20 73 74 |arg)+1);|.. st|
|00000990| 72 63 70 79 28 68 6f 73 | 74 2c 20 6f 70 74 61 72 |rcpy(hos|t, optar|
|000009a0| 67 29 3b 0a 09 20 20 20 | 20 62 72 65 61 6b 3b 0a |g);.. | break;.|
|000009b0| 20 20 20 20 20 20 20 20 | 63 61 73 65 20 27 6f 27 | |case 'o'|
|000009c0| 3a 0a 09 20 20 20 20 6f | 75 74 70 75 74 66 69 6c |:.. o|utputfil|
|000009d0| 65 20 3d 20 28 63 68 61 | 72 20 2a 29 20 6d 61 6c |e = (cha|r *) mal|
|000009e0| 6c 6f 63 28 73 74 72 6c | 65 6e 28 6f 70 74 61 72 |loc(strl|en(optar|
|000009f0| 67 29 2b 31 29 3b 0a 09 | 20 20 20 20 73 74 72 63 |g)+1);..| strc|
|00000a00| 70 79 28 6f 75 74 70 75 | 74 66 69 6c 65 2c 20 6f |py(outpu|tfile, o|
|00000a10| 70 74 61 72 67 29 3b 0a | 09 20 20 20 20 62 72 65 |ptarg);.|. bre|
|00000a20| 61 6b 3b 0a 09 63 61 73 | 65 20 27 3f 27 3a 0a 09 |ak;..cas|e '?':..|
|00000a30| 20 20 20 20 70 72 69 6e | 74 68 65 6c 70 28 61 72 | prin|thelp(ar|
|00000a40| 67 63 2c 20 61 72 67 76 | 29 3b 0a 09 20 20 20 20 |gc, argv|);.. |
|00000a50| 62 72 65 61 6b 3b 0a 09 | 64 65 66 61 75 6c 74 3a |break;..|default:|
|00000a60| 0a 09 20 20 20 20 66 70 | 72 69 6e 74 66 28 73 74 |.. fp|rintf(st|
|00000a70| 64 65 72 72 2c 22 54 68 | 69 73 20 65 72 72 6f 72 |derr,"Th|is error|
|00000a80| 20 73 68 6f 75 6c 64 20 | 6e 6f 74 20 68 61 70 70 | should |not happ|
|00000a90| 65 6e 5c 6e 22 29 3b 0a | 09 7d 0a 20 20 20 20 7d |en\n");.|.}. }|
|00000aa0| 0a 20 20 20 20 20 20 20 | 20 0a 20 20 20 20 69 66 |. | . if|
|00000ab0| 20 28 68 6f 73 74 20 3d | 3d 20 4e 55 4c 4c 29 20 | (host =|= NULL) |
|00000ac0| 7b 0a 20 20 20 20 20 20 | 20 20 66 70 72 69 6e 74 |{. | fprint|
|00000ad0| 66 28 73 74 64 65 72 72 | 2c 20 22 68 6f 73 74 2f |f(stderr|, "host/|
|00000ae0| 69 70 20 6e 6f 74 20 73 | 70 65 63 69 66 69 65 64 |ip not s|pecified|
|00000af0| 2c 20 75 6e 61 62 6c 65 | 20 74 6f 20 63 6f 6e 74 |, unable| to cont|
|00000b00| 69 6e 75 65 5c 6e 22 29 | 3b 0a 09 70 72 69 6e 74 |inue\n")|;..print|
|00000b10| 68 65 6c 70 28 61 72 67 | 63 2c 20 61 72 67 76 29 |help(arg|c, argv)|
|00000b20| 3b 0a 09 65 78 69 74 28 | 2d 31 29 3b 0a 20 20 20 |;..exit(|-1);. |
|00000b30| 20 7d 0a 0a 20 20 20 20 | 69 66 20 28 6f 75 74 70 | }.. |if (outp|
|00000b40| 75 74 66 69 6c 65 20 3d | 3d 20 4e 55 4c 4c 29 20 |utfile =|= NULL) |
|00000b50| 7b 0a 09 6c 6f 67 66 69 | 6c 65 3d 73 74 64 6f 75 |{..logfi|le=stdou|
|00000b60| 74 3b 0a 20 20 20 20 7d | 20 65 6c 73 65 20 7b 0a |t;. }| else {.|
|00000b70| 20 20 20 20 20 20 20 20 | 6c 6f 67 66 69 6c 65 3d | |logfile=|
|00000b80| 66 6f 70 65 6e 28 6f 75 | 74 70 75 74 66 69 6c 65 |fopen(ou|tputfile|
|00000b90| 2c 22 61 2b 22 29 3b 0a | 20 20 20 20 7d 0a 0a 20 |,"a+");.| }.. |
|00000ba0| 20 20 20 66 70 72 69 6e | 74 66 28 6c 6f 67 66 69 | fprin|tf(logfi|
|00000bb0| 6c 65 2c 22 53 63 61 6e | 6e 69 6e 67 20 25 73 5c |le,"Scan|ning %s\|
|00000bc0| 6e 22 2c 68 6f 73 74 29 | 3b 0a 0a 20 20 20 20 66 |n",host)|;.. f|
|00000bd0| 6f 72 20 28 20 3b 20 3b | 20 2b 2b 72 65 6d 6f 74 |or ( ; ;| ++remot|
|00000be0| 65 70 6f 72 74 29 20 7b | 0a 20 20 20 20 20 20 20 |eport) {|. |
|00000bf0| 20 69 6e 69 74 5f 63 6c | 69 65 6e 74 28 68 6f 73 | init_cl|ient(hos|
|00000c00| 74 2c 72 65 6d 6f 74 65 | 70 6f 72 74 2c 6c 6f 63 |t,remote|port,loc|
|00000c10| 61 6c 70 6f 72 74 29 3b | 0a 20 20 20 20 20 20 20 |alport);|. |
|00000c20| 20 73 69 67 6e 61 6c 28 | 53 49 47 49 4e 54 2c 63 | signal(|SIGINT,c|
|00000c30| 6c 69 65 6e 74 5f 69 6e | 74 72 29 3b 0a 0a 20 20 |lient_in|tr);.. |
|00000c40| 20 20 20 20 20 20 75 62 | 20 3d 20 63 6c 69 65 6e | ub| = clien|
|00000c50| 74 5f 69 6e 74 65 72 61 | 63 74 28 43 43 5f 56 45 |t_intera|ct(CC_VE|
|00000c60| 52 53 49 4f 4e 2c 30 4c | 2c 20 30 2c 4e 55 4c 4c |RSION,0L|, 0,NULL|
|00000c70| 50 2c 20 30 2c 4e 55 4c | 4c 50 29 3b 0a 09 69 66 |P, 0,NUL|LP);..if|
|00000c80| 20 28 75 62 29 0a 09 20 | 20 20 20 2f 2a 20 73 75 | (ub).. | /* su|
|00000c90| 63 63 65 73 73 21 20 2a | 2f 0a 20 20 20 20 20 20 |ccess! *|/. |
|00000ca0| 20 20 20 20 20 20 66 70 | 72 69 6e 74 66 28 6c 6f | fp|rintf(lo|
|00000cb0| 67 66 69 6c 65 2c 22 46 | 6f 75 6e 64 20 46 53 50 |gfile,"F|ound FSP|
|00000cc0| 20 76 65 72 3a 20 25 73 | 20 6f 6e 20 70 6f 72 74 | ver: %s| on port|
|00000cd0| 20 25 30 64 5c 6e 22 2c | 0a 09 09 09 20 20 20 20 | %0d\n",|.... |
|00000ce0| 75 62 2d 3e 62 75 66 2c | 72 65 6d 6f 74 65 70 6f |ub->buf,|remotepo|
|00000cf0| 72 74 29 3b 0a 20 20 20 | 20 20 20 20 20 65 6c 73 |rt);. | els|
|00000d00| 65 0a 09 20 20 20 20 66 | 70 72 69 6e 74 66 28 6c |e.. f|printf(l|
|00000d10| 6f 67 66 69 6c 65 2c 22 | 25 30 64 2e 2e 2e 6e 61 |ogfile,"|%0d...na|
|00000d20| 64 61 5c 6e 22 2c 72 65 | 6d 6f 74 65 70 6f 72 74 |da\n",re|moteport|
|00000d30| 29 3b 20 0a 20 20 20 20 | 20 20 20 20 66 66 6c 75 |); . | fflu|
|00000d40| 73 68 28 6c 6f 67 66 69 | 6c 65 29 3b 0a 20 20 20 |sh(logfi|le);. |
|00000d50| 20 20 20 20 20 66 64 63 | 6c 6f 73 65 28 29 3b 0a | fdc|lose();.|
|00000d60| 20 20 20 20 7d 0a 7d 0a | 0a 70 72 69 6e 74 68 65 | }.}.|.printhe|
|00000d70| 6c 70 28 61 72 67 63 2c | 61 72 67 76 29 0a 69 6e |lp(argc,|argv).in|
|00000d80| 74 20 61 72 67 63 3b 0a | 63 68 61 72 20 2a 2a 61 |t argc;.|char **a|
|00000d90| 72 67 76 3b 0a 7b 0a 20 | 20 20 20 66 70 72 69 6e |rgv;.{. | fprin|
|00000da0| 74 66 28 73 74 64 65 72 | 72 2c 22 25 73 20 2d 20 |tf(stder|r,"%s - |
|00000db0| 61 6e 20 66 73 70 20 70 | 6f 72 74 20 73 63 61 6e |an fsp p|ort scan|
|00000dc0| 6e 65 72 5c 6e 22 2c 61 | 72 67 76 5b 30 5d 29 3b |ner\n",a|rgv[0]);|
|00000dd0| 0a 20 20 20 20 66 70 72 | 69 6e 74 66 28 73 74 64 |. fpr|intf(std|
|00000de0| 65 72 72 2c 22 55 73 61 | 67 65 3a 20 25 73 20 5b |err,"Usa|ge: %s [|
|00000df0| 2d 68 5d 5c 6e 22 2c 61 | 72 67 76 5b 30 5d 29 3b |-h]\n",a|rgv[0]);|
|00000e00| 0a 20 20 20 20 66 70 72 | 69 6e 74 66 28 73 74 64 |. fpr|intf(std|
|00000e10| 65 72 72 2c 22 20 20 20 | 20 20 20 20 28 70 72 69 |err," | (pri|
|00000e20| 6e 74 73 20 74 68 69 73 | 20 68 65 6c 70 20 73 63 |nts this| help sc|
|00000e30| 72 65 65 6e 29 5c 6e 22 | 29 3b 0a 20 20 20 20 66 |reen)\n"|);. f|
|00000e40| 70 72 69 6e 74 66 28 73 | 74 64 65 72 72 2c 22 20 |printf(s|tderr," |
|00000e50| 20 20 20 20 20 20 25 73 | 20 5b 2d 74 5d 5b 2d 6f | %s| [-t][-o|
|00000e60| 20 66 69 6c 65 5d 5b 2d | 72 20 72 65 74 72 69 65 | file][-|r retrie|
|00000e70| 73 5d 5b 2d 6c 20 6c 6f | 63 61 6c 20 70 6f 72 74 |s][-l lo|cal port|
|00000e80| 5d 5b 2d 69 20 69 70 20 | 61 64 64 72 65 73 73 5d |][-i ip |address]|
|00000e90| 5b 2d 70 20 73 74 61 72 | 74 69 6e 67 20 70 6f 72 |[-p star|ting por|
|00000ea0| 74 5d 5c 6e 5c 6e 22 2c | 61 72 67 76 5b 30 5d 29 |t]\n\n",|argv[0])|
|00000eb0| 3b 0a 20 20 20 20 66 70 | 72 69 6e 74 66 28 73 74 |;. fp|rintf(st|
|00000ec0| 64 65 72 72 2c 22 44 65 | 66 61 75 6c 74 73 3a 20 |derr,"De|faults: |
|00000ed0| 28 2d 6f 29 20 66 69 6c | 65 20 3d 20 73 74 64 6f |(-o) fil|e = stdo|
|00000ee0| 75 74 5c 6e 22 29 3b 0a | 20 20 20 20 66 70 72 69 |ut\n");.| fpri|
|00000ef0| 6e 74 66 28 73 74 64 65 | 72 72 2c 22 20 20 20 20 |ntf(stde|rr," |
|00000f00| 20 20 20 20 20 20 28 2d | 6c 29 20 6c 6f 63 61 6c | (-|l) local|
|00000f10| 20 70 6f 72 74 20 3d 20 | 39 31 39 31 5c 6e 22 29 | port = |9191\n")|
|00000f20| 3b 0a 20 20 20 20 66 70 | 72 69 6e 74 66 28 73 74 |;. fp|rintf(st|
|00000f30| 64 65 72 72 2c 22 20 20 | 20 20 20 20 20 20 20 20 |derr," | |
|00000f40| 28 2d 70 29 20 73 74 61 | 72 74 69 6e 67 20 70 6f |(-p) sta|rting po|
|00000f50| 72 74 20 3d 20 32 31 5c | 6e 22 29 3b 0a 20 20 20 |rt = 21\|n");. |
|00000f60| 20 66 70 72 69 6e 74 66 | 28 73 74 64 65 72 72 2c | fprintf|(stderr,|
|00000f70| 22 20 20 20 20 20 20 20 | 20 20 20 28 2d 72 29 20 |" | (-r) |
|00000f80| 72 65 74 72 69 65 73 20 | 3d 20 33 5c 6e 22 29 3b |retries |= 3\n");|
|00000f90| 0a 20 20 20 20 66 70 72 | 69 6e 74 66 28 73 74 64 |. fpr|intf(std|
|00000fa0| 65 72 72 2c 22 20 20 20 | 20 20 20 20 20 20 20 28 |err," | (|
|00000fb0| 2d 74 29 20 74 72 61 63 | 65 20 3d 20 6f 66 66 5c |-t) trac|e = off\|
|00000fc0| 6e 22 29 3b 0a 20 20 20 | 20 66 70 72 69 6e 74 66 |n");. | fprintf|
|00000fd0| 28 73 74 64 65 72 72 2c | 22 20 20 20 20 20 20 20 |(stderr,|" |
|00000fe0| 20 20 20 28 2d 69 29 20 | 68 6f 73 74 2d 69 70 20 | (-i) |host-ip |
|00000ff0| 3d 20 6e 6f 6e 65 20 28 | 68 6f 73 74 20 4d 55 53 |= none (|host MUS|
|00001000| 54 20 62 65 20 73 70 65 | 63 69 66 69 65 64 29 5c |T be spe|cified)\|
|00001010| 6e 22 29 3b 0a 20 20 20 | 20 65 78 69 74 28 30 29 |n");. | exit(0)|
|00001020| 3b 0a 7d 0a 0a 0a 55 42 | 55 46 20 2a 63 6c 69 65 |;.}...UB|UF *clie|
|00001030| 6e 74 5f 69 6e 74 65 72 | 61 63 74 28 63 6d 64 2c |nt_inter|act(cmd,|
|00001040| 70 6f 73 2c 6c 31 2c 70 | 31 2c 6c 32 2c 70 32 29 |pos,l1,p|1,l2,p2)|
|00001050| 0a 20 20 20 20 75 6e 73 | 69 67 6e 65 64 20 63 6d |. uns|igned cm|
|00001060| 64 2c 20 6c 31 2c 20 6c | 32 3b 0a 20 20 20 20 75 |d, l1, l|2;. u|
|00001070| 6e 73 69 67 6e 65 64 20 | 6c 6f 6e 67 20 70 6f 73 |nsigned |long pos|
|00001080| 3b 0a 20 20 20 20 75 6e | 73 69 67 6e 65 64 20 63 |;. un|signed c|
|00001090| 68 61 72 20 2a 70 31 2c | 20 2a 70 32 3b 0a 7b 0a |har *p1,| *p2;.{.|
|000010a0| 20 20 20 20 73 74 72 75 | 63 74 20 73 6f 63 6b 61 | stru|ct socka|
|000010b0| 64 64 72 5f 69 6e 20 66 | 72 6f 6d 3b 0a 20 20 20 |ddr_in f|rom;. |
|000010c0| 20 55 42 55 46 20 73 62 | 75 66 3b 0a 20 20 20 20 | UBUF sb|uf;. |
|000010d0| 73 74 61 74 69 63 20 55 | 42 55 46 20 72 62 75 66 |static U|BUF rbuf|
|000010e0| 3b 0a 20 20 20 20 75 6e | 73 69 67 6e 65 64 20 63 |;. un|signed c|
|000010f0| 68 61 72 20 2a 73 2c 20 | 2a 74 2c 20 2a 64 3b 0a |har *s, |*t, *d;.|
|00001100| 20 20 20 20 75 6e 73 69 | 67 6e 65 64 20 75 2c 20 | unsi|gned u, |
|00001110| 6e 2c 20 73 75 6d 2c 20 | 6d 61 73 6b 2c 20 6d 6c |n, sum, |mask, ml|
|00001120| 65 6e 3b 0a 20 20 20 20 | 69 6e 74 20 72 65 74 76 |en;. |int retv|
|00001130| 61 6c 2c 20 62 79 74 65 | 73 2c 20 72 65 74 72 79 |al, byte|s, retry|
|00001140| 3b 0a 0a 20 20 20 20 73 | 62 75 66 2e 63 6d 64 20 |;.. s|buf.cmd |
|00001150| 3d 20 63 6d 64 3b 0a 20 | 20 20 20 73 62 75 66 2e |= cmd;. | sbuf.|
|00001160| 6c 65 6e 20 3d 20 68 74 | 6f 6e 73 28 6c 31 29 3b |len = ht|ons(l1);|
|00001170| 0a 20 20 20 20 73 62 75 | 66 2e 70 6f 73 20 3d 20 |. sbu|f.pos = |
|00001180| 68 74 6f 6e 6c 28 70 6f | 73 29 3b 0a 0a 20 20 20 |htonl(po|s);.. |
|00001190| 20 63 6c 69 65 6e 74 5f | 69 6e 74 72 5f 73 74 61 | client_|intr_sta|
|000011a0| 74 65 20 3d 20 31 3b 0a | 0a 20 20 20 20 66 6f 72 |te = 1;.|. for|
|000011b0| 28 75 20 3d 20 6c 31 2c | 20 64 20 3d 20 28 75 6e |(u = l1,| d = (un|
|000011c0| 73 69 67 6e 65 64 20 63 | 68 61 72 20 2a 29 20 73 |signed c|har *) s|
|000011d0| 62 75 66 2e 62 75 66 3b | 20 75 2d 2d 3b 20 2a 64 |buf.buf;| u--; *d|
|000011e0| 2b 2b 20 3d 20 2a 70 31 | 2b 2b 29 3b 0a 20 20 20 |++ = *p1|++);. |
|000011f0| 20 66 6f 72 28 75 20 3d | 20 6c 32 09 09 09 09 20 | for(u =| l2.... |
|00001200| 20 20 20 20 20 3b 20 75 | 2d 2d 3b 20 2a 64 2b 2b | ; u|--; *d++|
|00001210| 20 3d 20 2a 70 32 2b 2b | 29 3b 0a 20 20 20 20 6d | = *p2++|);. m|
|00001220| 6c 65 6e 20 3d 20 64 20 | 2d 20 28 75 6e 73 69 67 |len = d |- (unsig|
|00001230| 6e 65 64 20 63 68 61 72 | 20 2a 29 20 26 73 62 75 |ned char| *) &sbu|
|00001240| 66 3b 0a 0a 20 20 20 20 | 66 6f 72 28 72 65 74 72 |f;.. |for(retr|
|00001250| 79 20 3d 20 30 3b 20 72 | 65 74 72 79 20 3c 20 72 |y = 0; r|etry < r|
|00001260| 65 74 72 69 65 73 3b 20 | 72 65 74 72 79 2b 2b 29 |etries; |retry++)|
|00001270| 20 7b 0a 09 73 62 75 66 | 2e 6b 65 79 20 3d 20 6b | {..sbuf|.key = k|
|00001280| 65 79 3b 0a 09 73 62 75 | 66 2e 73 65 71 20 3d 20 |ey;..sbu|f.seq = |
|00001290| 6d 79 73 65 71 3b 0a 09 | 73 62 75 66 2e 73 75 6d |myseq;..|sbuf.sum|
|000012a0| 20 3d 20 30 3b 0a 0a 09 | 66 6f 72 28 74 20 3d 20 | = 0;...|for(t = |
|000012b0| 28 75 6e 73 69 67 6e 65 | 64 20 63 68 61 72 20 2a |(unsigne|d char *|
|000012c0| 29 20 26 73 62 75 66 2c | 20 73 75 6d 20 3d 20 6e |) &sbuf,| sum = n|
|000012d0| 20 3d 20 6d 6c 65 6e 3b | 20 6e 2d 2d 3b 20 73 75 | = mlen;| n--; su|
|000012e0| 6d 20 2b 3d 20 2a 74 2b | 2b 29 3b 0a 09 73 62 75 |m += *t+|+);..sbu|
|000012f0| 66 2e 73 75 6d 20 3d 20 | 73 75 6d 20 2b 20 28 73 |f.sum = |sum + (s|
|00001300| 75 6d 20 3e 3e 20 38 29 | 3b 0a 09 69 66 28 63 6c |um >> 8)|;..if(cl|
|00001310| 69 65 6e 74 5f 74 72 61 | 63 65 20 26 26 20 72 65 |ient_tra|ce && re|
|00001320| 74 72 79 29 20 0a 09 20 | 20 20 20 77 72 69 74 65 |try) .. | write|
|00001330| 28 32 2c 22 52 22 2c 31 | 29 3b 0a 0a 09 69 66 28 |(2,"R",1|);...if(|
|00001340| 73 65 6e 64 74 6f 28 6d | 79 66 64 2c 26 73 62 75 |sendto(m|yfd,&sbu|
|00001350| 66 2c 6d 6c 65 6e 2c 30 | 2c 26 73 65 72 76 65 72 |f,mlen,0|,&server|
|00001360| 5f 61 64 64 72 2c 73 69 | 7a 65 6f 66 28 73 65 72 |_addr,si|zeof(ser|
|00001370| 76 65 72 5f 61 64 64 72 | 29 29 20 3d 3d 20 2d 31 |ver_addr|)) == -1|
|00001380| 29 0a 09 09 09 09 09 09 | 7b 20 70 65 72 72 6f 72 |).......|{ perror|
|00001390| 28 22 73 65 6e 64 74 6f | 22 29 3b 20 65 78 69 74 |("sendto|"); exit|
|000013a0| 28 31 29 3b 20 7d 0a 09 | 6d 61 73 6b 20 3d 20 31 |(1); }..|mask = 1|
|000013b0| 20 3c 3c 20 6d 79 66 64 | 3b 0a 0a 09 77 68 69 6c | << myfd|;...whil|
|000013c0| 65 28 31 29 20 7b 0a 09 | 20 20 20 20 72 65 74 76 |e(1) {..| retv|
|000013d0| 61 6c 20 3d 20 5f 78 5f | 73 65 6c 65 63 74 28 26 |al = _x_|select(&|
|000013e0| 6d 61 73 6b 2c 20 33 30 | 30 30 4c 29 3b 0a 0a 09 |mask, 30|00L);...|
|000013f0| 20 20 20 20 69 66 28 28 | 72 65 74 76 61 6c 20 3d | if((|retval =|
|00001400| 3d 20 2d 31 29 20 26 26 | 20 28 65 72 72 6e 6f 20 |= -1) &&| (errno |
|00001410| 3d 20 45 49 4e 54 52 29 | 29 20 63 6f 6e 74 69 6e |= EINTR)|) contin|
|00001420| 75 65 3b 0a 0a 09 20 20 | 20 20 69 66 28 72 65 74 |ue;... | if(ret|
|00001430| 76 61 6c 20 3d 3d 20 31 | 29 20 7b 20 20 2f 2a 20 |val == 1|) { /* |
|00001440| 61 6e 20 69 6e 63 6f 6d | 69 6e 67 20 6d 65 73 73 |an incom|ing mess|
|00001450| 61 67 65 20 69 73 20 77 | 61 69 74 69 6e 67 20 2a |age is w|aiting *|
|00001460| 2f 0a 09 09 62 79 74 65 | 73 20 3d 20 73 69 7a 65 |/...byte|s = size|
|00001470| 6f 66 28 66 72 6f 6d 29 | 3b 0a 09 09 69 66 28 28 |of(from)|;...if((|
|00001480| 62 79 74 65 73 20 3d 20 | 72 65 63 76 66 72 6f 6d |bytes = |recvfrom|
|00001490| 28 6d 79 66 64 2c 28 63 | 68 61 72 2a 29 26 72 62 |(myfd,(c|har*)&rb|
|000014a0| 75 66 2c 73 69 7a 65 6f | 66 28 72 62 75 66 29 2c |uf,sizeo|f(rbuf),|
|000014b0| 30 2c 0a 09 09 09 09 09 | 26 66 72 6f 6d 2c 26 62 |0,......|&from,&b|
|000014c0| 79 74 65 73 29 29 20 3c | 20 55 42 55 46 5f 48 53 |ytes)) <| UBUF_HS|
|000014d0| 49 5a 45 29 20 63 6f 6e | 74 69 6e 75 65 3b 0a 0a |IZE) con|tinue;..|
|000014e0| 09 09 73 20 3d 20 28 75 | 6e 73 69 67 6e 65 64 20 |..s = (u|nsigned |
|000014f0| 63 68 61 72 20 2a 29 20 | 26 72 62 75 66 3b 0a 09 |char *) |&rbuf;..|
|00001500| 09 64 20 3d 20 73 20 2b | 20 62 79 74 65 73 3b 0a |.d = s +| bytes;.|
|00001510| 09 09 75 20 3d 20 72 62 | 75 66 2e 73 75 6d 3b 20 |..u = rb|uf.sum; |
|00001520| 72 62 75 66 2e 73 75 6d | 20 3d 20 30 3b 0a 09 09 |rbuf.sum| = 0;...|
|00001530| 66 6f 72 28 74 20 3d 20 | 73 2c 20 73 75 6d 20 3d |for(t = |s, sum =|
|00001540| 20 30 3b 20 74 20 3c 20 | 64 3b 20 73 75 6d 20 2b | 0; t < |d; sum +|
|00001550| 3d 20 2a 74 2b 2b 29 3b | 0a 09 09 73 75 6d 20 3d |= *t++);|...sum =|
|00001560| 20 28 73 75 6d 20 2b 20 | 28 73 75 6d 20 3e 3e 20 | (sum + |(sum >> |
|00001570| 38 29 29 20 26 20 30 78 | 66 66 3b 0a 09 09 69 66 |8)) & 0x|ff;...if|
|00001580| 28 73 75 6d 20 21 3d 20 | 75 29 20 63 6f 6e 74 69 |(sum != |u) conti|
|00001590| 6e 75 65 3b 20 20 2f 2a | 20 77 72 6f 6e 67 20 63 |nue; /*| wrong c|
|000015a0| 68 65 63 6b 20 73 75 6d | 20 2a 2f 0a 0a 09 09 72 |heck sum| */....r|
|000015b0| 62 75 66 2e 6c 65 6e 20 | 3d 20 68 74 6f 6e 73 28 |buf.len |= htons(|
|000015c0| 72 62 75 66 2e 6c 65 6e | 29 3b 0a 09 09 72 62 75 |rbuf.len|);...rbu|
|000015d0| 66 2e 70 6f 73 20 3d 20 | 68 74 6f 6e 6c 28 72 62 |f.pos = |htonl(rb|
|000015e0| 75 66 2e 70 6f 73 29 3b | 0a 0a 09 09 69 66 28 72 |uf.pos);|....if(r|
|000015f0| 62 75 66 2e 73 65 71 20 | 09 20 20 20 20 20 20 21 |buf.seq |. !|
|00001600| 3d 20 6d 79 73 65 71 29 | 20 63 6f 6e 74 69 6e 75 |= myseq)| continu|
|00001610| 65 3b 20 20 2f 2a 20 77 | 72 6f 6e 67 20 73 65 71 |e; /* w|rong seq|
|00001620| 20 23 20 2a 2f 0a 09 09 | 69 66 28 72 62 75 66 2e | # */...|if(rbuf.|
|00001630| 6c 65 6e 2b 55 42 55 46 | 5f 48 53 49 5a 45 20 3e |len+UBUF|_HSIZE >|
|00001640| 20 62 79 74 65 73 29 20 | 63 6f 6e 74 69 6e 75 65 | bytes) |continue|
|00001650| 3b 20 20 2f 2a 20 74 72 | 75 6e 63 61 74 65 64 2e |; /* tr|uncated.|
|00001660| 20 20 2a 2f 0a 0a 09 09 | 6d 79 73 65 71 2b 2b 3b | */....|myseq++;|
|00001670| 20 6b 65 79 20 3d 20 72 | 62 75 66 2e 6b 65 79 3b | key = r|buf.key;|
|00001680| 09 2f 2a 20 75 70 64 61 | 74 65 20 73 65 71 20 61 |./* upda|te seq a|
|00001690| 6e 64 20 6b 65 79 73 2e | 20 20 20 2a 2f 0a 0a 09 |nd keys.| */...|
|000016a0| 09 69 66 28 63 6c 69 65 | 6e 74 5f 69 6e 74 72 5f |.if(clie|nt_intr_|
|000016b0| 73 74 61 74 65 20 3d 3d | 20 32 29 20 7b 20 63 6c |state ==| 2) { cl|
|000016c0| 69 65 6e 74 5f 64 6f 6e | 65 28 29 3b 20 65 78 69 |ient_don|e(); exi|
|000016d0| 74 28 31 29 3b 20 7d 0a | 0a 09 09 72 65 74 75 72 |t(1); }.|...retur|
|000016e0| 6e 28 26 72 62 75 66 29 | 3b 0a 0a 09 20 20 20 20 |n(&rbuf)|;... |
|000016f0| 7d 20 65 6c 73 65 20 62 | 72 65 61 6b 3b 20 20 20 |} else b|reak; |
|00001700| 2f 2a 20 67 6f 20 62 61 | 63 6b 20 74 6f 20 72 65 |/* go ba|ck to re|
|00001710| 2d 74 72 61 6e 73 6d 69 | 74 20 62 75 66 66 65 72 |-transmi|t buffer|
|00001720| 20 61 67 61 69 6e 20 2a | 2f 0a 09 7d 0a 20 20 20 | again *|/..}. |
|00001730| 20 7d 0a 20 20 20 20 2f | 2a 20 72 65 74 75 72 6e | }. /|* return|
|00001740| 20 4e 55 4c 4c 20 69 66 | 20 74 68 65 72 65 20 68 | NULL if| there h|
|00001750| 61 76 65 20 62 65 65 6e | 20 74 6f 6f 20 6d 61 6e |ave been| too man|
|00001760| 79 20 72 65 74 72 69 65 | 73 20 2d 20 66 66 69 6e |y retrie|s - ffin|
|00001770| 64 70 6f 72 74 20 68 61 | 63 6b 20 2a 2f 0a 20 20 |dport ha|ck */. |
|00001780| 20 20 72 65 74 75 72 6e | 28 4e 55 4c 4c 29 3b 0a | return|(NULL);.|
|00001790| 7d 0a 0a 0a 69 6e 69 74 | 5f 63 6c 69 65 6e 74 28 |}...init|_client(|
|000017a0| 68 6f 73 74 2c 70 6f 72 | 74 2c 6d 79 70 6f 72 74 |host,por|t,myport|
|000017b0| 29 0a 20 20 20 20 63 68 | 61 72 20 2a 68 6f 73 74 |). ch|ar *host|
|000017c0| 3b 0a 20 20 20 20 69 6e | 74 20 20 20 70 6f 72 74 |;. in|t port|
|000017d0| 3b 0a 20 20 20 20 69 6e | 74 20 6d 79 70 6f 72 74 |;. in|t myport|
|000017e0| 3b 0a 7b 0a 20 20 20 20 | 69 66 28 28 6d 79 66 64 |;.{. |if((myfd|
|000017f0| 20 3d 20 5f 78 5f 75 64 | 70 28 26 6d 79 70 6f 72 | = _x_ud|p(&mypor|
|00001800| 74 29 29 20 3d 3d 20 2d | 31 29 0a 09 09 7b 20 70 |t)) == -|1)...{ p|
|00001810| 65 72 72 6f 72 28 22 73 | 6f 63 6b 65 74 20 6f 70 |error("s|ocket op|
|00001820| 65 6e 22 29 3b 20 65 78 | 69 74 28 31 29 3b 20 7d |en"); ex|it(1); }|
|00001830| 0a 0a 20 20 20 20 69 66 | 28 5f 78 5f 61 64 72 28 |.. if|(_x_adr(|
|00001840| 68 6f 73 74 2c 70 6f 72 | 74 2c 26 73 65 72 76 65 |host,por|t,&serve|
|00001850| 72 5f 61 64 64 72 29 20 | 3d 3d 20 2d 31 29 0a 09 |r_addr) |== -1)..|
|00001860| 09 7b 20 70 65 72 72 6f | 72 28 22 73 65 72 76 65 |.{ perro|r("serve|
|00001870| 72 20 61 64 64 72 22 29 | 3b 20 65 78 69 74 28 31 |r addr")|; exit(1|
|00001880| 29 3b 20 7d 20 0a 7d 0a | 0a 63 6c 69 65 6e 74 5f |); } .}.|.client_|
|00001890| 64 6f 6e 65 28 29 0a 7b | 0a 20 20 20 20 28 76 6f |done().{|. (vo|
|000018a0| 69 64 29 20 63 6c 69 65 | 6e 74 5f 69 6e 74 65 72 |id) clie|nt_inter|
|000018b0| 61 63 74 28 43 43 5f 42 | 59 45 2c 30 4c 2c 30 2c |act(CC_B|YE,0L,0,|
|000018c0| 4e 55 4c 4c 50 2c 30 2c | 4e 55 4c 4c 50 29 3b 0a |NULLP,0,|NULLP);.|
|000018d0| 7d 0a 0a 76 6f 69 64 20 | 63 6c 69 65 6e 74 5f 69 |}..void |client_i|
|000018e0| 6e 74 72 28 29 0a 7b 0a | 20 20 20 20 73 77 69 74 |ntr().{.| swit|
|000018f0| 63 68 28 63 6c 69 65 6e | 74 5f 69 6e 74 72 5f 73 |ch(clien|t_intr_s|
|00001900| 74 61 74 65 29 20 7b 0a | 20 20 20 20 20 20 20 20 |tate) {.| |
|00001910| 63 61 73 65 20 30 3a 20 | 65 78 69 74 28 32 29 3b |case 0: |exit(2);|
|00001920| 0a 20 20 20 20 20 20 20 | 20 63 61 73 65 20 31 3a |. | case 1:|
|00001930| 20 63 6c 69 65 6e 74 5f | 69 6e 74 72 5f 73 74 61 | client_|intr_sta|
|00001940| 74 65 20 3d 20 32 3b 20 | 62 72 65 61 6b 3b 0a 20 |te = 2; |break;. |
|00001950| 20 20 20 20 20 20 20 63 | 61 73 65 20 32 3a 20 65 | c|ase 2: e|
|00001960| 78 69 74 28 33 29 3b 0a | 20 20 20 20 7d 0a 7d 0a |xit(3);.| }.}.|
|00001970| 0a 66 64 63 6c 6f 73 65 | 28 29 0a 7b 0a 20 20 20 |.fdclose|().{. |
|00001980| 20 63 6c 6f 73 65 28 6d | 79 66 64 29 3b 0a 7d 0a | close(m|yfd);.}.|
|00001990| 0a 0a 23 69 66 6e 64 65 | 66 20 45 58 4f 53 5f 49 |..#ifnde|f EXOS_I|
|000019a0| 50 43 0a 0a 5f 78 5f 75 | 64 70 28 70 6f 72 74 29 |PC.._x_u|dp(port)|
|000019b0| 0a 20 20 20 20 69 6e 74 | 20 2a 70 6f 72 74 3b 0a |. int| *port;.|
|000019c0| 7b 0a 20 20 20 20 69 6e | 74 20 66 2c 20 6c 65 6e |{. in|t f, len|
|000019d0| 2c 20 7a 7a 3b 0a 20 20 | 20 20 73 74 72 75 63 74 |, zz;. | struct|
|000019e0| 20 73 6f 63 6b 61 64 64 | 72 5f 69 6e 20 6d 65 20 | sockadd|r_in me |
|000019f0| 3b 0a 20 20 20 20 73 74 | 72 75 63 74 20 73 6f 63 |;. st|ruct soc|
|00001a00| 6b 61 64 64 72 5f 69 6e | 20 73 69 6e 3b 0a 0a 20 |kaddr_in| sin;.. |
|00001a10| 20 20 20 6d 65 20 3d 20 | 73 69 6e 20 3d 20 49 4e | me = |sin = IN|
|00001a20| 45 54 5f 5a 45 52 4f 3b | 0a 0a 20 20 20 20 6d 65 |ET_ZERO;|.. me|
|00001a30| 2e 73 69 6e 5f 70 6f 72 | 74 20 3d 20 68 74 6f 6e |.sin_por|t = hton|
|00001a40| 73 28 28 75 6e 73 69 67 | 6e 65 64 20 73 68 6f 72 |s((unsig|ned shor|
|00001a50| 74 29 20 2a 70 6f 72 74 | 29 3b 0a 20 20 20 20 6d |t) *port|);. m|
|00001a60| 65 2e 73 69 6e 5f 66 61 | 6d 69 6c 79 20 3d 20 41 |e.sin_fa|mily = A|
|00001a70| 46 5f 49 4e 45 54 3b 0a | 20 0a 20 20 20 20 69 66 |F_INET;.| . if|
|00001a80| 28 28 66 3d 73 6f 63 6b | 65 74 28 41 46 5f 49 4e |((f=sock|et(AF_IN|
|00001a90| 45 54 2c 53 4f 43 4b 5f | 44 47 52 41 4d 2c 30 29 |ET,SOCK_|DGRAM,0)|
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|00001b20| 2a 29 20 26 6d 65 2c 28 | 6c 65 6e 20 3d 20 73 69 |*) &me,(|len = si|
|00001b30| 7a 65 6f 66 28 6d 65 29 | 29 29 20 3c 20 30 20 7c |zeof(me)|)) < 0 ||
|00001b40| 7c 0a 20 20 20 20 20 20 | 20 20 67 65 74 73 6f 63 ||. | getsoc|
|00001b50| 6b 6e 61 6d 65 28 66 2c | 28 63 68 61 72 20 2a 29 |kname(f,|(char *)|
|00001b60| 26 73 69 6e 2c 26 6c 65 | 6e 29 20 3c 20 30 29 0a |&sin,&le|n) < 0).|
|00001b70| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|00001b80| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|00001b90| 7b 20 53 41 56 45 28 28 | 28 76 6f 69 64 29 20 63 |{ SAVE((|(void) c|
|00001ba0| 6c 6f 73 65 28 66 29 29 | 29 3b 20 72 65 74 75 72 |lose(f))|); retur|
|00001bb0| 6e 28 2d 31 29 3b 20 7d | 0a 20 20 20 20 69 66 28 |n(-1); }|. if(|
|00001bc0| 21 2a 70 6f 72 74 29 20 | 2a 70 6f 72 74 20 3d 20 |!*port) |*port = |
|00001bd0| 6e 74 6f 68 73 28 28 75 | 6e 73 69 67 6e 65 64 20 |ntohs((u|nsigned |
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|00001bf0| 6f 72 74 29 3b 20 72 65 | 74 75 72 6e 28 66 29 3b |ort); re|turn(f);|
|00001c00| 0a 7d 20 20 20 20 20 20 | 0a 0a 5f 78 5f 61 64 72 |.} |.._x_adr|
|00001c10| 28 68 6f 73 74 2c 70 6f | 72 74 2c 68 69 73 29 0a |(host,po|rt,his).|
|00001c20| 20 20 20 20 73 74 72 75 | 63 74 20 73 6f 63 6b 61 | stru|ct socka|
|00001c30| 64 64 72 5f 69 6e 20 2a | 68 69 73 3b 0a 20 20 20 |ddr_in *|his;. |
|00001c40| 20 63 68 61 72 20 2a 68 | 6f 73 74 3b 0a 20 20 20 | char *h|ost;. |
|00001c50| 20 69 6e 74 20 70 6f 72 | 74 3b 0a 7b 0a 20 20 20 | int por|t;.{. |
|00001c60| 20 63 68 61 72 20 6d 79 | 68 6f 73 74 5b 31 32 38 | char my|host[128|
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|00001cb0| 68 69 73 20 3d 20 49 4e | 45 54 5f 5a 45 52 4f 3b |his = IN|ET_ZERO;|
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|00001ce0| 65 28 68 6f 73 74 20 3d | 20 6d 79 68 6f 73 74 2c |e(host =| myhost,|
|00001cf0| 73 69 7a 65 6f 66 28 6d | 79 68 6f 73 74 29 29 3b |sizeof(m|yhost));|
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|00001d10| 73 69 6e 5f 61 64 64 72 | 2e 73 5f 61 64 64 72 20 |sin_addr|.s_addr |
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|00001d40| 68 69 73 2d 3e 73 69 6e | 5f 66 61 6d 69 6c 79 20 |his->sin|_family |
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|00001db0| 20 28 63 68 61 72 20 2a | 29 26 68 69 73 2d 3e 73 | (char *|)&his->s|
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|00001dd0| 20 3d 20 48 2d 3e 68 5f | 6c 65 6e 67 74 68 3b 20 | = H->h_|length; |
|00001de0| 69 2d 2d 3b 20 2a 64 2b | 2b 20 3d 20 2a 73 2b 2b |i--; *d+|+ = *s++|
|00001df0| 29 3b 0a 20 20 20 20 20 | 20 20 20 68 69 73 2d 3e |);. | his->|
|00001e00| 73 69 6e 5f 66 61 6d 69 | 6c 79 20 3d 20 48 2d 3e |sin_fami|ly = H->|
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|00001f30| 74 2e 74 76 5f 75 73 65 | 63 20 3d 20 28 74 74 20 |t.tv_use|c = (tt |
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|00001ff0| 69 66 20 20 2f 2a 20 6e | 6f 74 20 45 58 4f 53 5f |if /* n|ot EXOS_|
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|00002010| 45 58 4f 53 5f 49 50 43 | 0a 0a 65 78 74 65 72 6e |EXOS_IPC|..extern|
|00002020| 20 6c 6f 6e 67 20 72 68 | 6f 73 74 28 29 3b 0a 0a | long rh|ost();..|
|00002030| 5f 78 5f 75 64 70 28 70 | 6f 72 74 29 0a 20 20 20 |_x_udp(p|ort). |
|00002040| 20 69 6e 74 20 2a 70 6f | 72 74 3b 0a 7b 0a 20 20 | int *po|rt;.{. |
|00002050| 20 20 73 74 72 75 63 74 | 20 73 6f 63 6b 61 64 64 | struct| sockadd|
|00002060| 72 5f 69 6e 20 73 69 6e | 3b 20 69 6e 74 20 66 3b |r_in sin|; int f;|
|00002070| 0a 0a 20 20 20 20 73 69 | 6e 20 3d 20 49 4e 45 54 |.. si|n = INET|
|00002080| 5f 5a 45 52 4f 3b 0a 20 | 20 20 20 73 69 6e 2e 73 |_ZERO;. | sin.s|
|00002090| 69 6e 5f 66 61 6d 69 6c | 79 20 3d 20 41 46 5f 49 |in_famil|y = AF_I|
|000020a0| 4e 45 54 3b 0a 20 20 20 | 20 73 69 6e 2e 73 69 6e |NET;. | sin.sin|
|000020b0| 5f 70 6f 72 74 20 20 20 | 3d 20 68 74 6f 6e 73 28 |_port |= htons(|
|000020c0| 28 75 6e 73 69 67 6e 65 | 64 20 73 68 6f 72 74 29 |(unsigne|d short)|
|000020d0| 20 2a 70 6f 72 74 29 3b | 0a 20 20 20 20 69 66 28 | *port);|. if(|
|000020e0| 28 66 20 3d 20 73 6f 63 | 6b 65 74 28 53 4f 43 4b |(f = soc|ket(SOCK|
|000020f0| 5f 44 47 52 41 4d 2c 20 | 28 73 74 72 75 63 74 20 |_DGRAM, |(struct |
|00002100| 73 6f 63 6b 70 72 6f 74 | 6f 20 2a 29 20 30 2c 20 |sockprot|o *) 0, |
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|00002130| 31 29 20 72 65 74 75 72 | 6e 28 2d 31 29 3b 0a 20 |1) retur|n(-1);. |
|00002140| 20 20 20 73 69 6e 20 3d | 20 49 4e 45 54 5f 5a 45 | sin =| INET_ZE|
|00002150| 52 4f 3b 0a 20 20 20 20 | 69 66 28 73 6f 63 6b 65 |RO;. |if(socke|
|00002160| 74 61 64 64 72 28 66 2c | 26 73 69 6e 29 20 3d 3d |taddr(f,|&sin) ==|
|00002170| 20 2d 31 29 20 7b 20 53 | 41 56 45 28 28 28 76 6f | -1) { S|AVE(((vo|
|00002180| 69 64 29 20 63 6c 6f 73 | 65 28 66 29 29 29 3b 20 |id) clos|e(f))); |
|00002190| 72 65 74 75 72 6e 28 2d | 31 29 3b 20 7d 0a 20 20 |return(-|1); }. |
|000021a0| 20 20 69 66 28 21 2a 70 | 6f 72 74 29 20 2a 70 6f | if(!*p|ort) *po|
|000021b0| 72 74 20 3d 20 6e 74 6f | 68 73 28 28 75 6e 73 69 |rt = nto|hs((unsi|
|000021c0| 67 6e 65 64 20 73 68 6f | 72 74 29 20 73 69 6e 2e |gned sho|rt) sin.|
|000021d0| 73 69 6e 5f 70 6f 72 74 | 29 3b 20 72 65 74 75 72 |sin_port|); retur|
|000021e0| 6e 28 66 29 3b 0a 7d 0a | 0a 5f 78 5f 61 64 72 28 |n(f);.}.|._x_adr(|
|000021f0| 68 6f 73 74 2c 70 6f 72 | 74 2c 68 69 73 29 0a 20 |host,por|t,his). |
|00002200| 20 20 20 63 68 61 72 20 | 2a 68 6f 73 74 3b 0a 20 | char |*host;. |
|00002210| 20 20 20 69 6e 74 20 70 | 6f 72 74 3b 0a 20 20 20 | int p|ort;. |
|00002220| 20 73 74 72 75 63 74 20 | 73 6f 63 6b 61 64 64 72 | struct |sockaddr|
|00002230| 5f 69 6e 20 2a 68 69 73 | 3b 0a 7b 0a 20 20 20 20 |_in *his|;.{. |
|00002240| 63 68 61 72 20 6d 79 68 | 6f 73 74 5b 31 32 38 5d |char myh|ost[128]|
|00002250| 3b 0a 20 20 20 20 69 6e | 74 20 66 3b 0a 0a 20 20 |;. in|t f;.. |
|00002260| 20 20 2a 68 69 73 20 3d | 20 49 4e 45 54 5f 5a 45 | *his =| INET_ZE|
|00002270| 52 4f 3b 0a 20 20 20 20 | 69 66 28 21 68 6f 73 74 |RO;. |if(!host|
|00002280| 29 20 28 76 6f 69 64 29 | 20 67 65 74 68 6f 73 74 |) (void)| gethost|
|00002290| 6e 61 6d 65 28 68 6f 73 | 74 20 3d 20 6d 79 68 6f |name(hos|t = myho|
|000022a0| 73 74 2c 73 69 7a 65 6f | 66 28 6d 79 68 6f 73 74 |st,sizeo|f(myhost|
|000022b0| 29 29 3b 0a 0a 20 20 20 | 20 68 69 73 2d 3e 73 69 |));.. | his->si|
|000022c0| 6e 5f 66 61 6d 69 6c 79 | 20 3d 20 41 46 5f 49 4e |n_family| = AF_IN|
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|000022e0| 5f 70 6f 72 74 20 20 20 | 3d 20 68 74 6f 6e 73 28 |_port |= htons(|
|000022f0| 28 75 6e 73 69 67 6e 65 | 64 20 73 68 6f 72 74 29 |(unsigne|d short)|
|00002300| 20 70 6f 72 74 29 3b 0a | 0a 20 20 20 20 69 66 28 | port);.|. if(|
|00002310| 28 68 69 73 2d 3e 73 69 | 6e 5f 61 64 64 72 2e 73 |(his->si|n_addr.s|
|00002320| 5f 61 64 64 72 20 3d 20 | 72 68 6f 73 74 28 26 68 |_addr = |rhost(&h|
|00002330| 6f 73 74 29 29 20 3d 3d | 20 2d 31 29 20 72 65 74 |ost)) ==| -1) ret|
|00002340| 75 72 6e 28 2d 31 29 3b | 0a 0a 20 20 20 20 72 65 |urn(-1);|.. re|
|00002350| 74 75 72 6e 28 30 29 3b | 0a 7d 0a 0a 5f 78 5f 73 |turn(0);|.}.._x_s|
|00002360| 65 6c 65 63 74 28 72 65 | 61 64 66 64 73 2c 20 74 |elect(re|adfds, t|
|00002370| 74 29 0a 20 20 20 20 69 | 6e 74 20 2a 72 65 61 64 |t). i|nt *read|
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|00002390| 3b 09 09 09 09 2f 2a 20 | 54 69 6d 65 20 74 6f 20 |;..../* |Time to |
|000023a0| 77 61 69 74 20 69 6e 20 | 6d 69 6e 69 73 65 63 6f |wait in |miniseco|
|000023b0| 6e 64 73 2e 20 2a 2f 0a | 7b 0a 20 20 20 20 69 6e |nds. */.|{. in|
|000023c0| 74 20 20 63 6f 64 65 3b | 0a 20 20 20 20 6c 6f 6e |t code;|. lon|
|000023d0| 67 20 6d 61 73 6b 20 3d | 20 2a 72 65 61 64 66 64 |g mask =| *readfd|
|000023e0| 73 3b 0a 0a 20 20 20 20 | 69 66 28 74 74 20 26 20 |s;.. |if(tt & |
|000023f0| 30 78 63 30 30 30 30 30 | 30 30 29 20 74 74 20 3d |0xc00000|00) tt =|
|00002400| 20 30 78 33 66 66 66 66 | 66 66 66 3b 2f 2a 20 49 | 0x3ffff|fff;/* I|
|00002410| 74 20 64 6f 65 73 20 6e | 6f 74 20 6c 69 6b 65 20 |t does n|ot like |
|00002420| 30 78 37 66 66 66 66 66 | 66 66 2e 20 2a 2f 0a 0a |0x7fffff|ff. */..|
|00002430| 20 20 20 20 63 6f 64 65 | 20 3d 20 73 65 6c 65 63 | code| = selec|
|00002440| 74 28 44 53 49 5a 45 2c | 20 26 6d 61 73 6b 2c 20 |t(DSIZE,| &mask, |
|00002450| 28 6c 6f 6e 67 20 2a 29 | 20 30 2c 20 74 74 29 3b |(long *)| 0, tt);|
|00002460| 0a 0a 20 20 20 20 2a 72 | 65 61 64 66 64 73 20 3d |.. *r|eadfds =|
|00002470| 20 6d 61 73 6b 3b 0a 0a | 20 20 20 20 72 65 74 75 | mask;..| retu|
|00002480| 72 6e 28 63 6f 64 65 29 | 3b 0a 7d 0a 0a 72 65 63 |rn(code)|;.}..rec|
|00002490| 76 66 72 6f 6d 28 73 2c | 20 6d 73 67 2c 20 6c 65 |vfrom(s,| msg, le|
|000024a0| 6e 2c 20 66 6c 61 67 73 | 2c 20 66 72 6f 6d 2c 20 |n, flags|, from, |
|000024b0| 66 72 6f 6d 6c 65 6e 29 | 0a 20 20 20 20 63 68 61 |fromlen)|. cha|
|000024c0| 72 20 2a 6d 73 67 3b 0a | 20 20 20 20 69 6e 74 20 |r *msg;.| int |
|000024d0| 73 2c 20 6c 65 6e 2c 20 | 66 6c 61 67 73 2c 20 2a |s, len, |flags, *|
|000024e0| 66 72 6f 6d 6c 65 6e 3b | 0a 20 20 20 20 73 74 72 |fromlen;|. str|
|000024f0| 75 63 74 20 73 6f 63 6b | 61 64 64 72 5f 69 6e 20 |uct sock|addr_in |
|00002500| 2a 66 72 6f 6d 3b 0a 7b | 0a 20 20 20 20 72 65 74 |*from;.{|. ret|
|00002510| 75 72 6e 28 72 65 63 65 | 69 76 65 28 73 2c 66 72 |urn(rece|ive(s,fr|
|00002520| 6f 6d 2c 6d 73 67 2c 6c | 65 6e 29 29 3b 0a 7d 0a |om,msg,l|en));.}.|
|00002530| 0a 73 65 6e 64 74 6f 28 | 73 2c 20 6d 73 67 2c 20 |.sendto(|s, msg, |
|00002540| 6c 65 6e 2c 20 66 6c 61 | 67 73 2c 20 74 6f 2c 20 |len, fla|gs, to, |
|00002550| 74 6f 6c 65 6e 29 0a 20 | 20 20 20 63 68 61 72 20 |tolen). | char |
|00002560| 2a 6d 73 67 3b 0a 20 20 | 20 20 69 6e 74 20 73 2c |*msg;. | int s,|
|00002570| 20 6c 65 6e 2c 20 66 6c | 61 67 73 2c 20 74 6f 6c | len, fl|ags, tol|
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|00002590| 6f 63 6b 61 64 64 72 5f | 69 6e 20 2a 74 6f 3b 0a |ockaddr_|in *to;.|
|000025a0| 7b 0a 20 20 20 20 20 74 | 6f 2d 3e 73 69 6e 5f 66 |{. t|o->sin_f|
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+--------+-------------------------+-------------------------+--------+--------+
