/ BBS in a Box 11 / AMUG BBS in a Box Volume XI (April 1994) (MacWizards).iso / Files / Tele / C / Comet2.1.3.sit / Comet / tftp_srv.c

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|00000000| 00 0a 74 66 74 70 5f 73 | 72 76 2e 63 00 00 00 00 |..tftp_s|rv.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 54 45 58 54 3f 3f 3f | 3f 00 00 00 00 00 00 00 |.TEXT???|?.......|
|00000050| 00 00 00 00 00 30 97 00 | 00 01 7e a4 4b 53 40 a4 |.....0..|..~.KS@.|
|00000060| 4b 53 40 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |KS@.....|........|
|00000070| 00 00 00 00 00 00 00 00 | 00 00 81 81 74 5b 00 00 |........|....t[..|
|00000080| 2f 2a 20 20 43 6f 70 79 | 72 69 67 68 74 20 31 39 |/*  Copy|right 19|
|00000090| 38 34 20 62 79 20 74 68 | 65 20 4d 61 73 73 61 63 |84 by th|e Massac|
|000000a0| 68 75 73 65 74 74 73 20 | 49 6e 73 74 69 74 75 74 |husetts |Institut|
|000000b0| 65 20 6f 66 20 54 65 63 | 68 6e 6f 6c 6f 67 79 20 |e of Tec|hnology |
|000000c0| 20 2a 2f 0d 0d 2f 2a 0d | 09 43 6f 70 79 72 69 67 | */../*.|.Copyrig|
|000000d0| 68 74 20 43 6f 72 6e 65 | 6c 6c 20 55 6e 69 76 65 |ht Corne|ll Unive|
|000000e0| 72 73 69 74 79 20 31 39 | 38 36 2e 20 20 41 6c 6c |rsity 19|86.  All|
|000000f0| 20 72 69 67 68 74 73 20 | 61 72 65 20 72 65 73 65 | rights |are rese|
|00000100| 72 76 65 64 2e 0d 0d 09 | 41 73 20 6f 66 20 34 2f |rved....|As of 4/|
|00000110| 31 30 2f 38 36 3a 0d 09 | 54 68 69 73 20 73 6f 75 |10/86:..|This sou|
|00000120| 72 63 65 20 66 69 6c 65 | 20 6d 61 79 20 68 61 76 |rce file| may hav|
|00000130| 65 20 6e 6f 20 63 68 61 | 6e 67 65 73 20 66 72 6f |e no cha|nges fro|
|00000140| 6d 20 74 68 65 20 4d 2e | 49 2e 54 20 6f 72 69 67 |m the M.|I.T orig|
|00000150| 69 6e 61 6c 0d 09 6f 74 | 68 65 72 20 74 68 61 6e |inal..ot|her than|
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|00000170| 74 20 69 74 20 68 61 73 | 20 62 65 65 6e 20 74 65 |t it has| been te|
|00000180| 73 74 65 64 20 61 73 20 | 70 61 72 74 20 6f 66 20 |sted as |part of |
|00000190| 0d 09 43 6f 72 6e 65 6c | 6c 27 73 20 41 7a 74 65 |..Cornel|l's Azte|
|000001a0| 63 2d 43 20 70 6f 72 74 | 2e 20 20 53 65 65 20 6e |c-C port|.  See n|
|000001b0| 6f 74 69 63 65 2e 68 0d | 2a 2f 0d 0d 2f 2a 20 20 |otice.h.|*/../*  |
|000001c0| 53 65 65 20 70 65 72 6d | 69 73 73 69 6f 6e 20 61 |See perm|ission a|
|000001d0| 6e 64 20 64 69 73 63 6c | 61 69 6d 65 72 20 6e 6f |nd discl|aimer no|
|000001e0| 74 69 63 65 20 69 6e 20 | 66 69 6c 65 20 22 6e 6f |tice in |file "no|
|000001f0| 74 69 63 65 2e 68 22 20 | 20 2a 2f 0d 0d 23 69 6e |tice.h" | */..#in|
|00000200| 63 6c 75 64 65 09 3c 6e | 6f 74 69 63 65 2e 68 3e |clude.<n|otice.h>|
|00000210| 0d 23 69 6e 63 6c 75 64 | 65 09 22 74 66 74 70 2e |.#includ|e."tftp.|
|00000220| 68 22 0d 0d 65 78 74 65 | 72 6e 20 69 6e 74 20 74 |h"..exte|rn int t|
|00000230| 6e 74 66 74 70 28 29 2c | 20 74 6e 74 66 64 6e 28 |ntftp(),| tntfdn(|
|00000240| 29 3b 0d 0d 65 78 74 65 | 72 6e 20 69 6e 74 20 28 |);..exte|rn int (|
|00000250| 2a 74 66 73 5f 61 6c 65 | 72 74 29 28 29 3b 0d 65 |*tfs_ale|rt)();.e|
|00000260| 78 74 65 72 6e 20 69 6e | 74 20 28 2a 74 66 73 5f |xtern in|t (*tfs_|
|00000270| 64 6f 6e 65 29 28 29 3b | 0d 0d 65 78 74 65 72 6e |done)();|..extern|
|00000280| 20 63 68 61 72 20 6d 61 | 63 66 69 6c 65 5b 5d 3b | char ma|cfile[];|
|00000290| 09 09 09 2f 2a 20 66 6f | 72 20 4d 61 63 69 6e 74 |.../* fo|r Macint|
|000002a0| 6f 73 68 20 66 69 6c 65 | 20 6e 61 6d 65 20 74 72 |osh file| name tr|
|000002b0| 61 6e 73 6c 61 74 69 6f | 6e 20 2a 2f 0d 0d 65 78 |anslatio|n */..ex|
|000002c0| 74 65 72 6e 20 69 6e 74 | 20 6e 74 66 74 70 73 3b |tern int| ntftps;|
|000002d0| 0d 0d 0d 65 78 74 65 72 | 6e 20 69 6e 74 20 74 66 |...exter|n int tf|
|000002e0| 73 74 61 74 65 3b 0d 65 | 78 74 65 72 6e 20 6c 6f |state;.e|xtern lo|
|000002f0| 6e 67 20 72 65 66 75 73 | 65 64 74 3b 09 09 09 2f |ng refus|edt;.../|
|00000300| 2a 20 20 74 69 6d 65 20 | 6f 66 20 6d 6f 73 74 20 |*  time |of most |
|00000310| 72 65 63 65 6e 74 20 74 | 72 61 6e 73 66 65 72 20 |recent t|ransfer |
|00000320| 72 65 66 75 73 61 6c 20 | 20 2a 2f 0d 0d 65 78 74 |refusal | */..ext|
|00000330| 65 72 6e 20 75 6e 73 69 | 67 6e 65 64 20 4e 44 45 |ern unsi|gned NDE|
|00000340| 42 55 47 3b 0d 0d 2f 2a | 20 74 68 65 20 74 66 74 |BUG;../*| the tft|
|00000350| 70 20 73 65 72 76 65 72 | 20 63 6f 64 65 20 2a 2f |p server| code */|
|00000360| 0d 0d 2f 2a 20 20 4d 6f | 64 69 66 69 65 64 20 31 |../*  Mo|dified 1|
|00000370| 32 2f 32 33 2f 38 33 20 | 74 6f 20 75 70 63 61 6c |2/23/83 |to upcal|
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|000003a0| 6e 73 66 65 72 20 69 73 | 0d 20 20 20 20 63 6f 6d |nsfer is|.    com|
|000003b0| 70 6c 65 74 65 2e 20 20 | 4d 6f 64 69 66 69 65 64 |plete.  |Modified|
|000003c0| 20 31 2f 31 31 2f 38 34 | 20 74 6f 20 64 65 74 65 | 1/11/84| to dete|
|000003d0| 63 74 20 61 6e 64 20 64 | 69 73 63 61 72 64 20 64 |ct and d|iscard d|
|000003e0| 75 70 6c 69 63 61 74 65 | 20 72 65 71 75 65 73 74 |uplicate| request|
|000003f0| 73 0d 20 20 20 20 74 6f | 20 6f 70 65 6e 20 61 20 |s.    to| open a |
|00000400| 74 66 74 70 20 63 6f 6e | 6e 65 63 74 69 6f 6e 2e |tftp con|nection.|
|00000410| 20 20 46 69 78 65 64 20 | 66 69 6c 65 20 6f 70 65 |  Fixed |file ope|
|00000420| 6e 20 63 61 6c 6c 73 20 | 74 6f 20 75 73 65 20 6f |n calls |to use o|
|00000430| 6e 6c 79 20 62 69 6e 61 | 72 79 20 6d 6f 64 65 0d |nly bina|ry mode.|
|00000440| 20 20 20 20 28 77 61 73 | 20 6d 61 6b 69 6e 67 20 |    (was| making |
|00000450| 6e 65 74 61 73 63 69 69 | 20 74 72 61 6e 73 66 65 |netascii| transfe|
|00000460| 72 73 20 66 61 69 6c 29 | 3b 20 66 69 78 65 64 20 |rs fail)|; fixed |
|00000470| 62 75 67 20 69 6e 20 63 | 6f 75 6e 74 69 6e 67 20 |bug in c|ounting |
|00000480| 6e 75 6d 62 65 72 20 6f | 66 20 0d 20 20 20 20 74 |number o|f .    t|
|00000490| 66 74 70 20 63 6f 6e 6e | 65 63 74 69 6f 6e 73 20 |ftp conn|ections |
|000004a0| 69 6e 20 70 72 6f 67 72 | 65 73 73 3b 20 63 68 61 |in progr|ess; cha|
|000004b0| 6e 67 65 64 20 63 61 6c | 6c 73 20 74 6f 20 73 65 |nged cal|ls to se|
|000004c0| 6e 64 20 65 72 72 6f 72 | 20 70 61 63 6b 65 74 73 |nd error| packets|
|000004d0| 20 74 6f 0d 20 20 20 20 | 75 73 65 20 69 6e 63 6f | to.    |use inco|
|000004e0| 6d 69 6e 67 20 70 61 63 | 6b 65 74 20 61 6e 64 20 |ming pac|ket and |
|000004f0| 73 6f 63 6b 65 74 20 6e | 75 6d 62 65 72 20 77 68 |socket n|umber wh|
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|00000510| 20 31 2f 31 33 2f 38 34 | 2e 0d 20 20 20 20 41 64 | 1/13/84|..    Ad|
|00000520| 64 65 64 20 74 65 73 74 | 20 74 6f 20 64 69 73 63 |ded test| to disc|
|00000530| 61 72 64 20 64 75 70 6c | 69 63 61 74 65 20 72 65 |ard dupl|icate re|
|00000540| 71 75 65 73 74 73 20 74 | 68 61 74 20 6d 61 74 63 |quests t|hat matc|
|00000550| 68 20 63 75 72 72 65 6e | 74 20 63 6f 6e 6e 65 63 |h curren|t connec|
|00000560| 74 69 6f 6e 73 2c 0d 20 | 20 20 20 74 68 61 74 20 |tions,. |   that |
|00000570| 61 72 72 69 76 65 64 20 | 62 65 66 6f 72 65 20 75 |arrived |before u|
|00000580| 73 65 72 20 72 65 66 75 | 73 65 64 20 61 20 72 65 |ser refu|sed a re|
|00000590| 71 75 65 73 74 20 6f 72 | 20 62 65 66 6f 72 65 20 |quest or| before |
|000005a0| 64 69 73 63 6f 76 65 72 | 79 20 74 68 61 74 0d 20 |discover|y that. |
|000005b0| 20 20 20 66 69 6c 65 20 | 63 61 6e 27 74 20 62 65 |   file |can't be|
|000005c0| 20 74 72 61 6e 73 66 65 | 72 72 65 64 2e 0d 09 09 | transfe|rred....|
|000005d0| 09 09 09 20 20 3c 4a 2e | 20 48 2e 20 53 61 6c 74 |...  <J.| H. Salt|
|000005e0| 7a 65 72 3e 0d 20 20 20 | 20 31 2f 32 34 2f 38 34 |zer>.   | 1/24/84|
|000005f0| 20 2d 20 61 64 64 65 64 | 20 6f 63 74 65 74 20 6d | - added| octet m|
|00000600| 6f 64 65 20 77 68 69 63 | 68 20 69 73 20 74 68 65 |ode whic|h is the|
|00000610| 20 73 61 6d 65 20 61 73 | 20 69 6d 61 67 65 20 6d | same as| image m|
|00000620| 6f 64 65 2e 0d 09 09 09 | 09 09 20 3c 4a 6f 68 6e |ode.....|.. <John|
|00000630| 20 52 6f 6d 6b 65 79 3e | 0d 20 20 20 20 33 2f 32 | Romkey>|.    3/2|
|00000640| 31 2f 38 34 20 2d 20 63 | 6f 72 72 65 63 74 65 64 |1/84 - c|orrected|
|00000650| 20 73 65 76 65 72 61 6c | 20 70 6c 61 63 65 73 20 | several| places |
|00000660| 69 6e 20 74 68 65 20 63 | 6f 64 65 20 77 68 65 72 |in the c|ode wher|
|00000670| 65 20 63 6e 2d 3e 74 66 | 5f 65 78 70 65 63 74 65 |e cn->tf|_expecte|
|00000680| 64 0d 09 77 61 73 20 72 | 65 66 65 72 65 6e 63 65 |d..was r|eference|
|00000690| 64 20 61 73 20 63 6e 2d | 3e 74 66 5f 65 78 70 65 |d as cn-|>tf_expe|
|000006a0| 63 74 20 61 6e 64 20 63 | 61 75 73 65 64 20 70 72 |ct and c|aused pr|
|000006b0| 6f 62 6c 65 6d 73 20 77 | 69 74 68 20 74 68 65 20 |oblems w|ith the |
|000006c0| 6e 65 77 0d 09 63 6f 6d | 70 69 6c 65 72 2e 0d 09 |new..com|piler...|
|000006d0| 09 09 09 09 20 3c 4a 6f | 68 6e 20 52 6f 6d 6b 65 |.... <Jo|hn Romke|
|000006e0| 79 3e 0d 20 20 20 20 34 | 2f 31 32 2f 38 34 20 2d |y>.    4|/12/84 -|
|000006f0| 20 69 6e 20 74 66 73 72 | 65 61 64 28 29 20 66 69 | in tfsr|ead() fi|
|00000700| 78 65 64 20 63 61 6c 6c | 20 74 6f 20 75 64 70 5f |xed call| to udp_|
|00000710| 61 6c 6c 6f 63 28 29 20 | 77 68 69 63 68 20 77 61 |alloc() |which wa|
|00000720| 73 20 6d 69 73 73 69 6e | 67 0d 09 74 68 65 20 6f |s missin|g..the o|
|00000730| 70 74 69 6f 6e 20 6c 65 | 6e 67 74 68 20 70 61 72 |ption le|ngth par|
|00000740| 61 6d 65 74 65 72 2e 0d | 09 09 09 09 09 3c 4a 6f |ameter..|.....<Jo|
|00000750| 68 6e 20 52 6f 6d 6b 65 | 79 3e 0d 20 20 20 20 31 |hn Romke|y>.    1|
|00000760| 32 2f 32 31 2f 38 34 20 | 2d 20 69 6e 20 74 66 73 |2/21/84 |- in tfs|
|00000770| 72 65 61 64 28 29 20 66 | 69 78 65 64 20 62 75 66 |read() f|ixed buf|
|00000780| 66 65 72 20 73 77 61 70 | 70 69 6e 67 20 63 6f 64 |fer swap|ping cod|
|00000790| 65 20 74 6f 20 70 72 65 | 76 65 6e 74 20 6c 6f 73 |e to pre|vent los|
|000007a0| 73 0d 09 6f 66 20 6f 6e | 65 20 70 61 63 6b 65 74 |s..of on|e packet|
|000007b0| 20 62 75 66 66 65 72 20 | 6f 6e 20 65 61 63 68 20 | buffer |on each |
|000007c0| 74 72 61 6e 73 66 65 72 | 2e 0d 09 09 09 09 09 3c |transfer|.......<|
|000007d0| 4a 2e 20 48 2e 20 53 61 | 6c 74 7a 65 72 3e 0d 2a |J. H. Sa|ltzer>.*|
|000007e0| 2f 0d 0d 23 64 65 66 69 | 6e 65 09 4d 41 58 54 46 |/..#defi|ne.MAXTF|
|000007f0| 54 50 53 09 31 0d 0d 55 | 44 50 69 6f 70 62 20 74 |TPS.1..U|DPiopb t|
|00000800| 66 73 70 62 3b 09 09 09 | 09 2f 2a 20 63 6f 6e 74 |fspb;...|./* cont|
|00000810| 72 6f 6c 20 62 6c 6f 63 | 6b 20 66 6f 72 20 54 46 |rol bloc|k for TF|
|00000820| 54 50 20 6c 69 73 74 65 | 6e 65 72 20 73 6f 63 6b |TP liste|ner sock|
|00000830| 65 74 20 2a 2f 0d 63 68 | 61 72 20 74 66 73 62 75 |et */.ch|ar tfsbu|
|00000840| 66 5b 4d 41 43 55 44 50 | 4c 45 4e 5d 3b 09 09 2f |f[MACUDP|LEN];../|
|00000850| 2a 20 4d 61 63 54 43 50 | 20 72 65 61 64 20 62 75 |* MacTCP| read bu|
|00000860| 66 66 65 72 20 2a 2f 0d | 53 74 72 65 61 6d 50 74 |ffer */.|StreamPt|
|00000870| 72 20 74 66 73 73 74 72 | 65 61 6d 3b 09 09 2f 2a |r tfsstr|eam;../*|
|00000880| 20 73 74 72 65 61 6d 20 | 70 74 72 20 66 6f 72 20 | stream |ptr for |
|00000890| 6c 69 73 74 65 6e 65 72 | 20 73 6f 63 6b 65 74 20 |listener| socket |
|000008a0| 2a 2f 0d 69 6e 74 20 74 | 66 73 5f 72 65 61 64 5f |*/.int t|fs_read_|
|000008b0| 72 65 71 3b 09 09 09 2f | 2a 20 73 65 72 76 65 72 |req;.../|* server|
|000008c0| 20 72 65 61 64 20 72 65 | 71 75 65 73 74 73 20 2a | read re|quests *|
|000008d0| 2f 0d 69 6e 74 20 74 66 | 73 5f 72 65 61 64 5f 63 |/.int tf|s_read_c|
|000008e0| 6f 6d 70 3b 09 09 09 2f | 2a 20 73 65 72 76 65 72 |omp;.../|* server|
|000008f0| 20 72 65 61 64 20 63 6f | 6d 70 6c 65 74 69 6f 6e | read co|mpletion|
|00000900| 73 20 2a 2f 0d 69 6e 74 | 20 74 66 73 64 61 74 61 |s */.int| tfsdata|
|00000910| 3b 09 09 09 09 2f 2a 20 | 64 61 74 61 20 68 61 73 |;..../* |data has|
|00000920| 20 61 72 72 69 76 65 64 | 20 2a 2f 0d 0d 73 74 72 | arrived| */..str|
|00000930| 75 63 74 20 74 66 63 6f | 6e 6e 20 74 66 73 63 6f |uct tfco|nn tfsco|
|00000940| 6e 6e 3b 09 09 2f 2a 20 | 74 66 74 70 20 63 6f 6e |nn;../* |tftp con|
|00000950| 74 72 6f 6c 20 63 6f 6e | 6e 65 63 74 69 6f 6e 20 |trol con|nection |
|00000960| 73 74 72 75 63 74 20 2a | 2f 0d 73 74 72 75 63 74 |struct *|/.struct|
|00000970| 20 74 66 63 6f 6e 6e 20 | 74 66 74 70 63 6f 6e 6e | tfconn |tftpconn|
|00000980| 3b 09 09 2f 2a 20 74 66 | 74 70 20 74 72 61 6e 73 |;../* tf|tp trans|
|00000990| 66 65 72 20 63 6f 6e 6e | 65 63 74 69 6f 6e 20 73 |fer conn|ection s|
|000009a0| 74 72 75 63 74 20 2a 2f | 0d 0d 55 44 50 69 6f 70 |truct */|..UDPiop|
|000009b0| 62 20 74 66 74 70 70 62 | 3b 09 09 09 09 2f 2a 20 |b tftppb|;..../* |
|000009c0| 63 6f 6e 74 72 6f 6c 20 | 62 6c 6f 63 6b 20 66 6f |control |block fo|
|000009d0| 72 20 54 46 54 50 20 74 | 72 61 6e 73 66 65 72 20 |r TFTP t|ransfer |
|000009e0| 73 6f 63 6b 65 74 20 2a | 2f 0d 63 68 61 72 20 74 |socket *|/.char t|
|000009f0| 66 74 70 62 75 66 5b 4d | 41 43 55 44 50 4c 45 4e |ftpbuf[M|ACUDPLEN|
|00000a00| 5d 3b 09 2f 2a 20 4d 61 | 63 54 43 50 20 72 65 61 |];./* Ma|cTCP rea|
|00000a10| 64 20 62 75 66 66 65 72 | 20 2a 2f 0d 53 74 72 65 |d buffer| */.Stre|
|00000a20| 61 6d 50 74 72 20 74 66 | 74 70 73 74 72 65 61 6d |amPtr tf|tpstream|
|00000a30| 3b 09 09 2f 2a 20 73 74 | 72 65 61 6d 20 70 74 72 |;../* st|ream ptr|
|00000a40| 20 66 6f 72 20 74 72 61 | 6e 73 66 65 72 20 73 6f | for tra|nsfer so|
|00000a50| 63 6b 65 74 20 2a 2f 0d | 69 6e 74 20 74 66 74 70 |cket */.|int tftp|
|00000a60| 5f 72 65 61 64 5f 72 65 | 71 3b 09 09 09 2f 2a 20 |_read_re|q;.../* |
|00000a70| 73 65 72 76 65 72 20 72 | 65 61 64 20 72 65 71 75 |server r|ead requ|
|00000a80| 65 73 74 73 20 2a 2f 0d | 69 6e 74 20 74 66 74 70 |ests */.|int tftp|
|00000a90| 5f 72 65 61 64 5f 63 6f | 6d 70 3b 09 09 09 2f 2a |_read_co|mp;.../*|
|00000aa0| 20 73 65 72 76 65 72 20 | 72 65 61 64 20 63 6f 6d | server |read com|
|00000ab0| 70 6c 65 74 69 6f 6e 73 | 20 2a 2f 0d 69 6e 74 20 |pletions| */.int |
|00000ac0| 74 66 74 70 64 61 74 61 | 3b 09 09 09 09 2f 2a 20 |tftpdata|;..../* |
|00000ad0| 64 61 74 61 20 68 61 73 | 20 61 72 72 69 76 65 64 |data has| arrived|
|00000ae0| 20 2a 2f 0d 0d 65 78 74 | 65 72 6e 20 63 68 61 72 | */..ext|ern char|
|00000af0| 20 2a 20 6d 61 6c 6c 6f | 63 28 29 3b 0d 75 6e 73 | * mallo|c();.uns|
|00000b00| 69 67 6e 65 64 20 6c 6f | 6e 67 20 67 65 74 6d 79 |igned lo|ng getmy|
|00000b10| 41 35 28 29 3b 0d 0d 2f | 2a 20 69 6f 43 6f 6d 70 |A5();../|* ioComp|
|00000b20| 6c 65 74 69 6f 6e 20 72 | 6f 75 74 69 6e 65 20 66 |letion r|outine f|
|00000b30| 6f 72 20 74 68 65 20 74 | 66 74 70 20 6c 69 73 74 |or the t|ftp list|
|00000b40| 65 6e 65 72 20 6f 6e 20 | 74 68 65 20 73 65 72 76 |ener on |the serv|
|00000b50| 65 72 20 73 6f 63 6b 65 | 74 20 2a 2f 0d 0d 76 6f |er socke|t */..vo|
|00000b60| 69 64 20 74 66 73 5f 72 | 65 61 64 5f 64 6f 6e 65 |id tfs_r|ead_done|
|00000b70| 28 75 64 70 5f 72 65 61 | 64 29 0d 55 44 50 69 6f |(udp_rea|d).UDPio|
|00000b80| 70 62 20 2a 75 64 70 5f | 72 65 61 64 3b 0d 7b 0d |pb *udp_|read;.{.|
|00000b90| 09 75 6e 73 69 67 6e 65 | 64 20 6c 6f 6e 67 20 6f |.unsigne|d long o|
|00000ba0| 6c 64 41 35 3b 0d 0d 09 | 6f 6c 64 41 35 20 3d 20 |ldA5;...|oldA5 = |
|00000bb0| 67 65 74 6d 79 41 35 28 | 29 3b 20 0d 0d 09 74 66 |getmyA5(|); ...tf|
|00000bc0| 73 64 61 74 61 20 3d 20 | 54 52 55 45 3b 0d 09 74 |sdata = |TRUE;..t|
|00000bd0| 66 73 5f 72 65 61 64 5f | 63 6f 6d 70 2b 2b 3b 0d |fs_read_|comp++;.|
|00000be0| 09 0d 09 73 65 74 41 35 | 28 6f 6c 64 41 35 29 3b |...setA5|(oldA5);|
|00000bf0| 0d 7d 0d 0d 0d 2f 2a 20 | 69 6f 43 6f 6d 70 6c 65 |.}.../* |ioComple|
|00000c00| 74 69 6f 6e 20 72 6f 75 | 74 69 6e 65 20 66 6f 72 |tion rou|tine for|
|00000c10| 20 74 68 65 20 74 66 74 | 70 20 74 72 61 6e 73 66 | the tft|p transf|
|00000c20| 65 72 20 73 6f 63 6b 65 | 74 20 2a 2f 0d 0d 76 6f |er socke|t */..vo|
|00000c30| 69 64 20 74 66 74 70 5f | 72 65 61 64 5f 64 6f 6e |id tftp_|read_don|
|00000c40| 65 28 75 64 70 5f 72 65 | 61 64 29 0d 55 44 50 69 |e(udp_re|ad).UDPi|
|00000c50| 6f 70 62 20 2a 75 64 70 | 5f 72 65 61 64 3b 0d 7b |opb *udp|_read;.{|
|00000c60| 0d 09 75 6e 73 69 67 6e | 65 64 20 6c 6f 6e 67 20 |..unsign|ed long |
|00000c70| 6f 6c 64 41 35 3b 0d 0d | 09 6f 6c 64 41 35 20 3d |oldA5;..|.oldA5 =|
|00000c80| 20 67 65 74 6d 79 41 35 | 28 29 3b 20 0d 0d 09 74 | getmyA5|(); ...t|
|00000c90| 66 74 70 64 61 74 61 20 | 3d 20 54 52 55 45 3b 0d |ftpdata |= TRUE;.|
|00000ca0| 09 74 66 74 70 5f 72 65 | 61 64 5f 63 6f 6d 70 2b |.tftp_re|ad_comp+|
|00000cb0| 2b 3b 0d 09 0d 09 73 65 | 74 41 35 28 6f 6c 64 41 |+;....se|tA5(oldA|
|00000cc0| 35 29 3b 0d 7d 0d 0d 75 | 64 70 5f 72 65 6c 65 61 |5);.}..u|dp_relea|
|00000cd0| 73 65 28 29 0d 7b 0d 09 | 55 44 50 69 6f 70 62 20 |se().{..|UDPiopb |
|00000ce0| 72 65 6c 50 42 3b 0d 09 | 4f 53 45 72 72 20 65 72 |relPB;..|OSErr er|
|00000cf0| 72 63 6f 64 65 3b 0d 09 | 0d 09 69 66 20 28 21 74 |rcode;..|..if (!t|
|00000d00| 66 73 73 74 72 65 61 6d | 29 0d 09 09 72 65 74 75 |fsstream|)...retu|
|00000d10| 72 6e 28 2d 31 29 3b 0d | 09 09 0d 09 72 65 6c 50 |rn(-1);.|....relP|
|00000d20| 42 2e 69 6f 43 52 65 66 | 4e 75 6d 20 3d 20 69 70 |B.ioCRef|Num = ip|
|00000d30| 70 5f 72 65 66 6e 75 6d | 3b 0d 09 72 65 6c 50 42 |p_refnum|;..relPB|
|00000d40| 2e 63 73 43 6f 64 65 20 | 3d 20 55 44 50 52 65 6c |.csCode |= UDPRel|
|00000d50| 65 61 73 65 3b 0d 09 72 | 65 6c 50 42 2e 75 64 70 |ease;..r|elPB.udp|
|00000d60| 53 74 72 65 61 6d 20 3d | 20 74 66 73 73 74 72 65 |Stream =| tfsstre|
|00000d70| 61 6d 3b 0d 0d 09 69 66 | 20 28 65 72 72 63 6f 64 |am;...if| (errcod|
|00000d80| 65 20 3d 20 50 42 43 6f | 6e 74 72 6f 6c 28 26 72 |e = PBCo|ntrol(&r|
|00000d90| 65 6c 50 42 2c 20 28 42 | 6f 6f 6c 65 61 6e 29 20 |elPB, (B|oolean) |
|00000da0| 46 41 4c 53 45 29 29 0d | 09 09 65 72 72 6f 72 28 |FALSE)).|..error(|
|00000db0| 22 75 64 70 20 72 65 6c | 65 61 73 65 20 66 61 69 |"udp rel|ease fai|
|00000dc0| 6c 65 64 22 29 3b 0d 7d | 0d 0d 0d 2f 2a 20 6d 74 |led");.}|.../* mt|
|00000dd0| 63 70 5f 74 66 73 69 6e | 69 74 28 61 6c 65 72 74 |cp_tfsin|it(alert|
|00000de0| 2c 20 64 6f 6e 65 29 20 | 2d 20 69 6e 69 74 69 61 |, done) |- initia|
|00000df0| 6c 69 7a 65 20 74 68 65 | 20 74 66 74 70 20 73 65 |lize the| tftp se|
|00000e00| 72 76 65 72 2e 20 54 68 | 69 73 20 6f 70 65 6e 73 |rver. Th|is opens|
|00000e10| 20 61 20 55 44 50 0d 09 | 20 63 6f 6e 6e 65 63 74 | a UDP..| connect|
|00000e20| 69 6f 6e 20 62 75 74 20 | 64 6f 65 73 20 6e 6f 74 |ion but |does not|
|00000e30| 20 74 75 72 6e 20 6f 6e | 20 74 68 65 20 73 65 72 | turn on| the ser|
|00000e40| 76 65 72 2e 20 54 68 61 | 74 20 6e 65 65 64 73 20 |ver. Tha|t needs |
|00000e50| 74 6f 20 64 6f 6e 65 20 | 62 79 0d 09 20 61 6e 20 |to done |by.. an |
|00000e60| 65 78 70 6c 69 63 69 74 | 20 63 61 6c 6c 20 74 6f |explicit| call to|
|00000e70| 20 74 66 73 5f 6f 6e 28 | 29 2e 0d 0d 09 61 6c 65 | tfs_on(|)....ale|
|00000e80| 72 74 28 29 20 69 73 20 | 61 20 66 75 6e 63 74 69 |rt() is |a functi|
|00000e90| 6f 6e 20 77 68 69 63 68 | 20 74 68 65 20 73 65 72 |on which| the ser|
|00000ea0| 76 65 72 20 77 69 6c 6c | 20 63 61 6c 6c 20 77 68 |ver will| call wh|
|00000eb0| 65 6e 65 76 65 72 20 69 | 74 20 72 65 63 65 69 76 |enever i|t receiv|
|00000ec0| 65 73 0d 09 72 65 71 75 | 65 73 74 20 66 6f 72 20 |es..requ|est for |
|00000ed0| 61 20 74 72 61 6e 73 66 | 65 72 2e 20 54 68 69 73 |a transf|er. This|
|00000ee0| 20 66 75 6e 63 74 69 6f | 6e 20 77 69 6c 6c 20 62 | functio|n will b|
|00000ef0| 65 20 63 61 6c 6c 65 64 | 20 69 6e 74 20 68 65 20 |e called| int he |
|00000f00| 66 6f 6c 6c 6f 77 69 6e | 67 0d 09 77 61 79 3a 0d |followin|g..way:.|
|00000f10| 09 09 61 6c 65 72 74 28 | 69 70 5f 61 64 64 72 2c |..alert(|ip_addr,|
|00000f20| 20 66 69 6c 65 5f 6e 61 | 6d 65 2c 20 64 69 72 65 | file_na|me, dire|
|00000f30| 63 74 69 6f 6e 29 0d 0d | 09 61 6c 65 72 74 28 29 |ction)..|.alert()|
|00000f40| 20 73 68 6f 75 6c 64 20 | 72 65 74 75 72 6e 20 54 | should |return T|
|00000f50| 52 55 45 20 69 66 20 69 | 74 20 77 69 73 68 65 73 |RUE if i|t wishes|
|00000f60| 20 74 6f 20 61 6c 6c 6f | 77 20 74 68 65 20 74 72 | to allo|w the tr|
|00000f70| 61 6e 73 66 65 72 20 61 | 6e 64 0d 09 46 41 4c 53 |ansfer a|nd..FALS|
|00000f80| 45 20 6f 74 68 65 72 77 | 69 73 65 2e 20 20 64 6f |E otherw|ise.  do|
|00000f90| 6e 65 28 29 20 69 73 20 | 61 20 66 75 6e 63 74 69 |ne() is |a functi|
|00000fa0| 6f 6e 20 74 68 61 74 20 | 74 68 65 20 73 65 72 76 |on that |the serv|
|00000fb0| 65 72 20 77 69 6c 6c 0d | 09 63 61 6c 6c 20 74 6f |er will.|.call to|
|00000fc0| 09 69 6e 66 6f 72 6d 20 | 74 68 65 20 69 6e 76 6f |.inform |the invo|
|00000fd0| 6b 65 72 20 74 68 61 74 | 20 74 68 69 73 20 66 69 |ker that| this fi|
|00000fe0| 6c 65 20 74 72 61 6e 73 | 66 65 72 20 69 73 20 63 |le trans|fer is c|
|00000ff0| 6f 6d 70 6c 65 74 65 20 | 6f 72 0d 09 61 62 6f 72 |omplete |or..abor|
|00001000| 74 65 64 2e 0d 2a 2f 0d | 0d 6d 74 63 70 5f 74 66 |ted..*/.|.mtcp_tf|
|00001010| 73 69 6e 69 74 28 61 6c | 65 72 74 2c 20 64 6f 6e |sinit(al|ert, don|
|00001020| 65 29 0d 09 69 6e 74 20 | 28 2a 61 6c 65 72 74 29 |e)..int |(*alert)|
|00001030| 28 29 3b 0d 09 69 6e 74 | 20 28 2a 64 6f 6e 65 29 |();..int| (*done)|
|00001040| 28 29 3b 20 0d 7b 0d 09 | 4f 53 45 72 72 20 65 72 |(); .{..|OSErr er|
|00001050| 72 63 6f 64 65 3b 0d 09 | 65 78 74 65 72 6e 20 73 |rcode;..|extern s|
|00001060| 68 6f 72 74 20 6d 61 63 | 69 70 6f 70 65 6e 3b 0d |hort mac|ipopen;.|
|00001070| 09 0d 09 69 66 20 28 21 | 6d 61 63 69 70 6f 70 65 |...if (!|macipope|
|00001080| 6e 29 20 7b 0d 09 09 69 | 66 20 28 6d 61 63 69 70 |n) {...i|f (macip|
|00001090| 5f 69 6e 69 74 28 29 29 | 0d 09 09 09 72 65 74 75 |_init())|....retu|
|000010a0| 72 6e 28 2d 31 29 3b 0d | 09 7d 0d 09 74 66 73 70 |rn(-1);.|.}..tfsp|
|000010b0| 62 2e 69 6f 43 52 65 66 | 4e 75 6d 20 3d 20 69 70 |b.ioCRef|Num = ip|
|000010c0| 70 5f 72 65 66 6e 75 6d | 3b 0d 09 74 66 73 70 62 |p_refnum|;..tfspb|
|000010d0| 2e 63 73 43 6f 64 65 20 | 3d 20 55 44 50 43 72 65 |.csCode |= UDPCre|
|000010e0| 61 74 65 3b 0d 09 74 66 | 73 70 62 2e 63 73 50 61 |ate;..tf|spb.csPa|
|000010f0| 72 61 6d 2e 63 72 65 61 | 74 65 2e 72 63 76 42 75 |ram.crea|te.rcvBu|
|00001100| 66 66 20 3d 20 26 74 66 | 73 62 75 66 5b 30 5d 3b |ff = &tf|sbuf[0];|
|00001110| 0d 09 74 66 73 70 62 2e | 63 73 50 61 72 61 6d 2e |..tfspb.|csParam.|
|00001120| 63 72 65 61 74 65 2e 72 | 63 76 42 75 66 66 4c 65 |create.r|cvBuffLe|
|00001130| 6e 20 3d 20 4d 41 43 55 | 44 50 4c 45 4e 3b 0d 09 |n = MACU|DPLEN;..|
|00001140| 74 66 73 70 62 2e 63 73 | 50 61 72 61 6d 2e 63 72 |tfspb.cs|Param.cr|
|00001150| 65 61 74 65 2e 6e 6f 74 | 69 66 79 50 72 6f 63 20 |eate.not|ifyProc |
|00001160| 3d 20 28 50 72 6f 63 50 | 74 72 29 20 75 64 70 5f |= (ProcP|tr) udp_|
|00001170| 65 76 65 6e 74 3b 0d 09 | 74 66 73 70 62 2e 63 73 |event;..|tfspb.cs|
|00001180| 50 61 72 61 6d 2e 63 72 | 65 61 74 65 2e 6c 6f 63 |Param.cr|eate.loc|
|00001190| 61 6c 50 6f 72 74 20 3d | 20 54 46 54 50 53 4f 43 |alPort =| TFTPSOC|
|000011a0| 4b 3b 0d 0d 09 69 66 20 | 28 65 72 72 63 6f 64 65 |K;...if |(errcode|
|000011b0| 20 3d 20 50 42 43 6f 6e | 74 72 6f 6c 28 26 74 66 | = PBCon|trol(&tf|
|000011c0| 73 70 62 2c 20 28 42 6f | 6f 6c 65 61 6e 29 20 46 |spb, (Bo|olean) F|
|000011d0| 41 4c 53 45 29 29 20 7b | 0d 09 09 69 66 20 28 65 |ALSE)) {|...if (e|
|000011e0| 72 72 63 6f 64 65 20 21 | 3d 20 64 75 70 6c 69 63 |rrcode !|= duplic|
|000011f0| 61 74 65 53 6f 63 6b 65 | 74 29 0d 09 09 09 2f 2a |ateSocke|t)..../*|
|00001200| 20 73 6b 69 70 20 6d 65 | 73 73 61 67 65 20 69 66 | skip me|ssage if|
|00001210| 20 73 6f 63 6b 65 74 20 | 61 6c 72 65 61 64 79 20 | socket |already |
|00001220| 6f 70 65 6e 65 64 20 2a | 2f 0d 09 09 09 65 72 72 |opened *|/....err|
|00001230| 6f 72 28 22 74 66 74 70 | 3a 20 55 44 50 43 72 65 |or("tftp|: UDPCre|
|00001240| 61 74 65 20 66 61 69 6c | 65 64 22 29 3b 0d 09 09 |ate fail|ed");...|
|00001250| 72 65 74 75 72 6e 28 2d | 31 29 3b 0d 09 7d 0d 09 |return(-|1);..}..|
|00001260| 74 66 73 73 74 72 65 61 | 6d 20 3d 20 74 66 73 70 |tfsstrea|m = tfsp|
|00001270| 62 2e 75 64 70 53 74 72 | 65 61 6d 3b 0d 09 65 78 |b.udpStr|eam;..ex|
|00001280| 69 74 5f 68 6f 6f 6b 28 | 75 64 70 5f 72 65 6c 65 |it_hook(|udp_rele|
|00001290| 61 73 65 29 3b 0d 09 0d | 09 69 66 20 28 6d 74 74 |ase);...|.if (mtt|
|000012a0| 66 6d 6b 63 6e 28 26 74 | 66 73 63 6f 6e 6e 2c 20 |fmkcn(&t|fsconn, |
|000012b0| 50 55 54 2c 20 41 53 43 | 49 49 29 29 20 7b 0d 09 |PUT, ASC|II)) {..|
|000012c0| 09 2f 2a 20 6d 61 6b 65 | 20 6f 6e 65 20 63 6f 6e |./* make| one con|
|000012d0| 6e 65 63 74 69 6f 6e 20 | 62 6c 6f 63 6b 20 2a 2f |nection |block */|
|000012e0| 0d 09 09 72 65 74 75 72 | 6e 28 2d 31 29 3b 0d 09 |...retur|n(-1);..|
|000012f0| 7d 0d 09 74 66 73 63 6f | 6e 6e 2e 73 74 72 65 61 |}..tfsco|nn.strea|
|00001300| 6d 20 3d 20 74 66 73 73 | 74 72 65 61 6d 3b 0d 0d |m = tfss|tream;..|
|00001310| 09 74 66 73 70 62 2e 63 | 73 43 6f 64 65 20 3d 20 |.tfspb.c|sCode = |
|00001320| 55 44 50 52 65 61 64 3b | 0d 09 74 66 73 70 62 2e |UDPRead;|..tfspb.|
|00001330| 69 6f 43 6f 6d 70 6c 65 | 74 69 6f 6e 20 3d 20 74 |ioComple|tion = t|
|00001340| 66 73 5f 72 65 61 64 5f | 64 6f 6e 65 3b 0d 09 74 |fs_read_|done;..t|
|00001350| 66 73 70 62 2e 63 73 50 | 61 72 61 6d 2e 72 65 63 |fspb.csP|aram.rec|
|00001360| 65 69 76 65 2e 74 69 6d | 65 4f 75 74 20 3d 20 30 |eive.tim|eOut = 0|
|00001370| 3b 0d 09 69 66 20 28 65 | 72 72 63 6f 64 65 20 3d |;..if (e|rrcode =|
|00001380| 20 50 42 43 6f 6e 74 72 | 6f 6c 28 26 74 66 73 70 | PBContr|ol(&tfsp|
|00001390| 62 2c 20 28 42 6f 6f 6c | 65 61 6e 29 20 54 52 55 |b, (Bool|ean) TRU|
|000013a0| 45 29 29 20 7b 0d 09 09 | 65 72 72 6f 72 28 22 74 |E)) {...|error("t|
|000013b0| 66 74 70 3a 20 6e 6f 20 | 55 44 50 52 65 61 64 22 |ftp: no |UDPRead"|
|000013c0| 29 3b 0d 09 7d 0d 09 74 | 66 73 5f 72 65 61 64 5f |);..}..t|fs_read_|
|000013d0| 72 65 71 2b 2b 3b 0d 09 | 0d 09 74 66 73 5f 64 6f |req++;..|..tfs_do|
|000013e0| 6e 65 20 3d 20 64 6f 6e | 65 3b 0d 09 74 66 73 5f |ne = don|e;..tfs_|
|000013f0| 61 6c 65 72 74 20 3d 20 | 61 6c 65 72 74 3b 0d 09 |alert = |alert;..|
|00001400| 72 65 74 75 72 6e 28 46 | 41 4c 53 45 29 3b 0d 7d |return(F|ALSE);.}|
|00001410| 0d 0d 2f 2a 20 68 61 6e | 64 6c 65 20 61 6e 20 69 |../* han|dle an i|
|00001420| 6e 63 6f 6d 69 6e 67 20 | 74 66 74 70 20 70 61 63 |ncoming |tftp pac|
|00001430| 6b 65 74 2e 20 54 68 69 | 73 20 69 6e 76 6f 6c 76 |ket. Thi|s involv|
|00001440| 65 73 20 6f 70 65 6e 69 | 6e 67 20 61 20 75 64 70 |es openi|ng a udp|
|00001450| 20 63 6f 6e 6e 65 63 74 | 69 6f 6e 0d 09 28 69 6d | connect|ion..(im|
|00001460| 6d 65 64 69 61 74 65 6c | 79 20 73 6f 20 74 68 61 |mediatel|y so tha|
|00001470| 74 20 77 65 20 63 61 6e | 20 72 65 70 6f 72 74 20 |t we can| report |
|00001480| 65 72 72 6f 72 73 29 2e | 20 49 66 20 74 68 65 20 |errors).| If the |
|00001490| 73 65 72 76 65 72 20 69 | 73 20 4f 46 46 0d 09 74 |server i|s OFF..t|
|000014a0| 68 65 6e 20 74 68 65 20 | 74 66 74 70 20 77 69 6c |hen the |tftp wil|
|000014b0| 6c 20 62 65 20 72 65 66 | 75 73 65 64 3b 20 6f 74 |l be ref|used; ot|
|000014c0| 68 65 72 77 69 73 65 20 | 6d 6f 72 65 20 63 68 65 |herwise |more che|
|000014d0| 63 6b 69 6e 67 20 77 69 | 6c 6c 20 62 65 20 64 6f |cking wi|ll be do|
|000014e0| 6e 65 2e 0d 09 43 61 6c | 6c 20 74 68 65 20 61 6c |ne...Cal|l the al|
|000014f0| 65 72 74 20 66 75 6e 63 | 74 69 6f 6e 20 61 6e 64 |ert func|tion and|
|00001500| 20 76 65 72 69 66 79 20 | 74 68 61 74 20 74 68 65 | verify |that the|
|00001510| 20 22 75 73 65 72 22 20 | 77 69 73 68 65 73 20 74 | "user" |wishes t|
|00001520| 6f 20 61 6c 6c 6f 77 0d | 09 74 68 65 20 74 66 74 |o allow.|.the tft|
|00001530| 70 2e 20 52 65 70 6f 72 | 74 20 61 6e 20 65 72 72 |p. Repor|t an err|
|00001540| 6f 72 20 69 66 20 6e 6f | 74 2e 20 46 69 6e 61 6c |or if no|t. Final|
|00001550| 6c 79 2c 20 73 70 61 77 | 6e 20 61 20 74 61 73 6b |ly, spaw|n a task|
|00001560| 20 74 6f 20 6f 76 65 72 | 73 65 65 0d 09 74 68 65 | to over|see..the|
|00001570| 20 74 66 74 70 20 61 6e | 64 20 63 6c 65 61 6e 75 | tftp an|d cleanu|
|00001580| 70 20 77 68 65 6e 20 69 | 74 27 73 20 64 6f 6e 65 |p when i|t's done|
|00001590| 2e 0d 2a 2f 0d 69 70 5f | 61 64 64 72 20 74 66 74 |..*/.ip_|addr tft|
|000015a0| 70 68 6f 73 74 3b 09 09 | 2f 2a 20 74 6f 20 63 68 |phost;..|/* to ch|
|000015b0| 65 63 6b 20 66 6f 72 20 | 64 75 70 6c 69 63 61 74 |eck for |duplicat|
|000015c0| 65 20 63 6f 6e 6e 65 63 | 74 69 6f 6e 20 72 65 71 |e connec|tion req|
|000015d0| 75 65 73 74 20 2a 2f 0d | 75 64 70 5f 70 6f 72 74 |uest */.|udp_port|
|000015e0| 20 74 66 74 70 70 6f 72 | 74 3b 09 09 2f 2a 20 64 | tftppor|t;../* d|
|000015f0| 69 74 74 6f 20 2a 2f 0d | 0d 6d 74 63 70 5f 74 66 |itto */.|.mtcp_tf|
|00001600| 73 68 6e 64 28 70 74 72 | 65 71 2c 20 6c 65 6e 2c |shnd(ptr|eq, len,|
|00001610| 20 68 6f 73 74 2c 20 70 | 6f 72 74 2c 20 74 69 6d | host, p|ort, tim|
|00001620| 65 29 0d 09 73 74 72 75 | 63 74 20 74 66 72 65 71 |e)..stru|ct tfreq|
|00001630| 20 2a 70 74 72 65 71 3b | 0d 09 75 6e 73 69 67 6e | *ptreq;|..unsign|
|00001640| 65 64 20 6c 65 6e 3b 0d | 09 69 70 5f 61 64 64 72 |ed len;.|.ip_addr|
|00001650| 20 68 6f 73 74 3b 0d 09 | 75 64 70 5f 70 6f 72 74 | host;..|udp_port|
|00001660| 20 70 6f 72 74 3b 0d 09 | 75 6e 73 69 67 6e 65 64 | port;..|unsigned|
|00001670| 20 73 68 6f 72 74 20 74 | 69 6d 65 3b 0d 7b 0d 09 | short t|ime;.{..|
|00001680| 75 6e 73 69 67 6e 65 64 | 20 6e 70 6f 72 74 3b 0d |unsigned| nport;.|
|00001690| 09 73 74 72 75 63 74 20 | 74 66 63 6f 6e 6e 20 2a |.struct |tfconn *|
|000016a0| 63 6e 20 3d 20 26 74 66 | 74 70 63 6f 6e 6e 3b 0d |cn = &tf|tpconn;.|
|000016b0| 09 63 68 61 72 20 2a 66 | 69 6c 65 2c 20 2a 73 6d |.char *f|ile, *sm|
|000016c0| 6f 64 65 2c 20 2a 74 6d | 70 3b 0d 09 75 6e 73 69 |ode, *tm|p;..unsi|
|000016d0| 67 6e 65 64 20 6d 6f 64 | 65 3b 0d 09 4f 53 45 72 |gned mod|e;..OSEr|
|000016e0| 72 20 65 72 72 63 6f 64 | 65 3b 0d 09 0d 09 2f 2a |r errcod|e;..../*|
|000016f0| 20 49 66 20 74 68 65 72 | 65 20 69 73 20 61 6c 72 | If ther|e is alr|
|00001700| 65 61 64 79 20 61 20 63 | 6f 6e 6e 65 63 74 69 6f |eady a c|onnectio|
|00001710| 6e 20 6c 69 6b 65 20 74 | 68 69 73 20 6f 6e 65 2c |n like t|his one,|
|00001720| 20 69 67 6e 6f 72 65 20 | 64 75 70 6c 69 63 61 74 | ignore |duplicat|
|00001730| 65 20 0d 09 09 72 65 71 | 75 65 73 74 2e 0d 0d 09 |e ...req|uest....|
|00001740| 69 66 20 28 75 64 70 5f | 63 6b 63 6f 6e 28 68 6f |if (udp_|ckcon(ho|
|00001750| 73 74 2c 20 70 6f 72 74 | 29 29 20 7b 20 0d 09 09 |st, port|)) { ...|
|00001760| 72 65 74 75 72 6e 28 30 | 29 3b 0d 09 7d 0d 20 2a |return(0|);..}. *|
|00001770| 2f 0d 20 09 2f 2a 20 73 | 69 6e 63 65 20 77 65 20 |/. ./* s|ince we |
|00001780| 64 6f 6e 27 74 20 68 61 | 76 65 20 61 63 63 65 73 |don't ha|ve acces|
|00001790| 73 20 74 6f 20 55 44 50 | 20 77 69 74 68 20 4d 61 |s to UDP| with Ma|
|000017a0| 63 54 43 50 20 77 65 20 | 6d 61 69 6e 74 61 69 6e |cTCP we |maintain|
|000017b0| 20 74 68 69 73 20 6d 61 | 6e 75 61 6c 6c 79 20 2a | this ma|nually *|
|000017c0| 2f 0d 20 09 69 66 20 28 | 68 6f 73 74 20 3d 3d 20 |/. .if (|host == |
|000017d0| 74 66 74 70 68 6f 73 74 | 20 26 26 20 70 6f 72 74 |tftphost| && port|
|000017e0| 20 3d 3d 20 74 66 74 70 | 70 6f 72 74 29 20 7b 20 | == tftp|port) { |
|000017f0| 0d 09 09 72 65 74 75 72 | 6e 28 30 29 3b 0d 09 7d |...retur|n(0);..}|
|00001800| 0d 09 0d 0d 09 2f 2a 20 | 20 49 66 20 77 65 20 72 |...../* | If we r|
|00001810| 65 66 75 73 65 64 20 61 | 20 63 6f 6e 6e 65 63 74 |efused a| connect|
|00001820| 69 6f 6e 20 73 69 6e 63 | 65 20 74 68 69 73 20 72 |ion sinc|e this r|
|00001830| 65 71 75 65 73 74 20 67 | 6f 74 20 65 6e 71 75 65 |equest g|ot enque|
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|00001850| 73 20 69 73 20 61 20 64 | 75 70 6c 69 63 61 74 65 |s is a d|uplicate|
|00001860| 20 61 6e 64 20 64 69 73 | 63 61 72 64 20 69 74 2c | and dis|card it,|
|00001870| 20 73 6f 20 77 65 20 64 | 6f 6e 27 74 20 62 6f 74 | so we d|on't bot|
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|00001890| 74 68 20 61 20 64 75 70 | 6c 69 63 61 74 65 20 71 |th a dup|licate q|
|000018a0| 75 65 73 74 69 6f 6e 2e | 20 20 28 49 66 20 77 65 |uestion.|  (If we|
|000018b0| 20 61 72 65 20 75 6e 6c | 75 63 6b 79 2c 20 74 68 | are unl|ucky, th|
|000018c0| 69 73 20 6d 69 67 68 74 | 20 62 65 0d 09 61 20 72 |is might| be..a r|
|000018d0| 65 71 75 65 73 74 20 66 | 72 6f 6d 20 73 6f 6d 65 |equest f|rom some|
|000018e0| 77 68 65 72 65 20 65 6c | 73 65 20 74 68 61 74 20 |where el|se that |
|000018f0| 61 72 72 69 76 65 64 20 | 77 68 69 6c 65 20 74 68 |arrived |while th|
|00001900| 65 20 75 73 65 72 20 77 | 61 73 0d 09 74 68 69 6e |e user w|as..thin|
|00001910| 6b 69 6e 67 20 6f 76 65 | 72 20 74 68 65 20 70 72 |king ove|r the pr|
|00001920| 65 76 69 6f 75 73 20 72 | 65 71 75 65 73 74 2e 20 |evious r|equest. |
|00001930| 20 54 6f 75 67 68 3b 20 | 73 6f 6d 65 77 68 65 72 | Tough; |somewher|
|00001940| 65 20 65 6c 73 65 20 77 | 69 6c 6c 0d 09 6a 75 73 |e else w|ill..jus|
|00001950| 74 20 68 61 76 65 20 74 | 6f 20 74 72 79 20 61 67 |t have t|o try ag|
|00001960| 61 69 6e 2e 29 0d 09 0d | 20 20 2a 2f 0d 0d 09 69 |ain.)...|  */...i|
|00001970| 66 20 28 72 65 66 75 73 | 65 64 74 20 3e 20 74 69 |f (refus|edt > ti|
|00001980| 6d 65 29 20 7b 0d 09 09 | 72 65 74 75 72 6e 28 30 |me) {...|return(0|
|00001990| 29 3b 0d 09 7d 0d 20 20 | 0d 09 2f 2a 20 20 54 68 |);..}.  |../*  Th|
|000019a0| 65 20 6e 65 78 74 20 71 | 75 65 73 74 69 6f 6e 3a |e next q|uestion:|
|000019b0| 20 20 44 6f 20 77 65 20 | 68 61 76 65 20 72 6f 6f |  Do we |have roo|
|000019c0| 6d 20 74 6f 20 64 6f 20 | 74 68 69 73 20 74 72 61 |m to do |this tra|
|000019d0| 6e 73 66 65 72 3f 20 20 | 2a 2f 0d 0d 09 69 66 20 |nsfer?  |*/...if |
|000019e0| 28 6e 74 66 74 70 73 20 | 3e 3d 20 4d 41 58 54 46 |(ntftps |>= MAXTF|
|000019f0| 54 50 53 29 20 7b 0d 09 | 09 6d 74 63 70 5f 74 66 |TPS) {..|.mtcp_tf|
|00001a00| 72 70 79 65 72 72 28 26 | 74 66 73 63 6f 6e 6e 2c |rpyerr(&|tfsconn,|
|00001a10| 20 45 52 52 54 58 54 2c | 20 22 54 6f 6f 20 6d 61 | ERRTXT,| "Too ma|
|00001a20| 6e 79 20 63 6f 6e 6e 65 | 63 74 69 6f 6e 73 2e 22 |ny conne|ctions."|
|00001a30| 29 3b 0d 09 09 72 65 74 | 75 72 6e 28 30 29 3b 0d |);...ret|urn(0);.|
|00001a40| 09 7d 0d 0d 09 2f 2a 20 | 20 4f 4b 2c 20 6c 65 74 |.}.../* | OK, let|
|00001a50| 27 73 20 63 68 65 63 6b | 20 6f 76 65 72 20 74 68 |'s check| over th|
|00001a60| 65 20 72 65 71 75 65 73 | 74 20 6d 6f 72 65 20 63 |e reques|t more c|
|00001a70| 61 72 65 66 75 6c 6c 79 | 2e 20 2a 2f 0d 0d 09 69 |arefully|. */...i|
|00001a80| 66 20 28 70 74 72 65 71 | 2d 3e 74 66 5f 6f 70 20 |f (ptreq|->tf_op |
|00001a90| 3e 20 57 52 51 29 20 7b | 0d 23 69 66 64 65 66 20 |> WRQ) {|.#ifdef |
|00001aa0| 54 46 54 50 44 45 42 55 | 47 0d 09 09 69 66 20 28 |TFTPDEBU|G...if (|
|00001ab0| 4e 44 45 42 55 47 20 26 | 20 49 4e 46 4f 4d 53 47 |NDEBUG &| INFOMSG|
|00001ac0| 7c 4e 45 54 45 52 52 7c | 50 52 4f 54 45 52 52 29 ||NETERR||PROTERR)|
|00001ad0| 0d 09 09 09 70 72 69 6e | 74 66 28 22 54 46 54 50 |....prin|tf("TFTP|
|00001ae0| 20 53 45 52 56 45 52 3a | 20 62 61 64 20 74 66 74 | SERVER:| bad tft|
|00001af0| 70 20 6f 70 63 6f 64 65 | 20 25 75 5c 6e 22 2c 20 |p opcode| %u\n", |
|00001b00| 70 74 72 65 71 2d 3e 74 | 66 5f 6f 70 29 3b 0d 23 |ptreq->t|f_op);.#|
|00001b10| 65 6e 64 69 66 0d 09 09 | 72 65 74 75 72 6e 28 30 |endif...|return(0|
|00001b20| 29 3b 0d 09 7d 0d 09 66 | 69 6c 65 20 3d 20 26 70 |);..}..f|ile = &p|
|00001b30| 74 72 65 71 2d 3e 74 66 | 5f 6e 61 6d 65 5b 30 5d |treq->tf|_name[0]|
|00001b40| 3b 0d 09 73 6d 6f 64 65 | 20 3d 20 66 69 6c 65 20 |;..smode| = file |
|00001b50| 2b 20 73 74 72 6c 65 6e | 28 66 69 6c 65 29 20 2b |+ strlen|(file) +|
|00001b60| 20 31 3b 0d 0d 09 66 6f | 72 20 28 74 6d 70 20 3d | 1;...fo|r (tmp =|
|00001b70| 20 73 6d 6f 64 65 3b 20 | 2a 74 6d 70 3b 20 74 6d | smode; |*tmp; tm|
|00001b80| 70 2b 2b 29 0d 09 09 69 | 66 20 28 2a 74 6d 70 20 |p++)...i|f (*tmp |
|00001b90| 3e 3d 20 27 41 27 20 26 | 26 20 2a 74 6d 70 20 3c |>= 'A' &|& *tmp <|
|00001ba0| 3d 20 27 5a 27 29 0d 09 | 09 09 2a 74 6d 70 20 2b |= 'Z')..|..*tmp +|
|00001bb0| 3d 20 33 32 3b 0d 0d 09 | 69 66 20 28 73 74 72 63 |= 32;...|if (strc|
|00001bc0| 6d 70 28 73 6d 6f 64 65 | 2c 20 22 69 6d 61 67 65 |mp(smode|, "image|
|00001bd0| 22 29 20 3d 3d 20 30 29 | 20 0d 09 09 6d 6f 64 65 |") == 0)| ...mode|
|00001be0| 20 3d 20 49 4d 41 47 45 | 3b 0d 09 65 6c 73 65 20 | = IMAGE|;..else |
|00001bf0| 69 66 20 28 73 74 72 63 | 6d 70 28 73 6d 6f 64 65 |if (strc|mp(smode|
|00001c00| 2c 20 22 6f 63 74 65 74 | 22 29 20 3d 3d 20 30 29 |, "octet|") == 0)|
|00001c10| 20 0d 09 09 6d 6f 64 65 | 20 3d 20 49 4d 41 47 45 | ...mode| = IMAGE|
|00001c20| 3b 0d 09 65 6c 73 65 20 | 69 66 20 28 73 74 72 63 |;..else |if (strc|
|00001c30| 6d 70 28 73 6d 6f 64 65 | 2c 20 22 6e 65 74 61 73 |mp(smode|, "netas|
|00001c40| 63 69 69 22 29 20 3d 3d | 20 30 29 20 0d 09 09 6d |cii") ==| 0) ...m|
|00001c50| 6f 64 65 20 3d 20 41 53 | 43 49 49 3b 0d 09 65 6c |ode = AS|CII;..el|
|00001c60| 73 65 20 7b 0d 23 69 66 | 64 65 66 20 54 46 54 50 |se {.#if|def TFTP|
|00001c70| 44 45 42 55 47 0d 09 09 | 69 66 20 28 4e 44 45 42 |DEBUG...|if (NDEB|
|00001c80| 55 47 20 26 20 49 4e 46 | 4f 4d 53 47 7c 4e 45 54 |UG & INF|OMSG|NET|
|00001c90| 45 52 52 7c 50 52 4f 54 | 45 52 52 29 0d 09 09 09 |ERR|PROT|ERR)....|
|00001ca0| 70 72 69 6e 74 66 28 22 | 54 46 54 50 20 53 45 52 |printf("|TFTP SER|
|00001cb0| 56 45 52 3a 20 20 42 61 | 64 20 6d 6f 64 65 20 25 |VER:  Ba|d mode %|
|00001cc0| 73 20 69 6e 20 72 65 71 | 5c 6e 22 2c 20 73 6d 6f |s in req|\n", smo|
|00001cd0| 64 65 29 3b 0d 23 65 6e | 64 69 66 0d 09 09 6d 74 |de);.#en|dif...mt|
|00001ce0| 63 70 5f 74 66 72 70 79 | 65 72 72 28 26 74 66 73 |cp_tfrpy|err(&tfs|
|00001cf0| 63 6f 6e 6e 2c 20 45 52 | 52 54 58 54 2c 20 22 42 |conn, ER|RTXT, "B|
|00001d00| 61 64 20 6d 6f 64 65 22 | 29 3b 0d 09 09 72 65 74 |ad mode"|);...ret|
|00001d10| 75 72 6e 28 30 29 3b 0d | 09 7d 0d 0d 09 69 66 20 |urn(0);.|.}...if |
|00001d20| 28 74 66 73 74 61 74 65 | 20 3d 3d 20 4f 46 46 29 |(tfstate| == OFF)|
|00001d30| 20 7b 0d 09 09 6d 74 63 | 70 5f 74 66 72 70 79 65 | {...mtc|p_tfrpye|
|00001d40| 72 72 28 26 74 66 73 63 | 6f 6e 6e 2c 20 45 52 52 |rr(&tfsc|onn, ERR|
|00001d50| 54 58 54 2c 22 54 72 61 | 6e 73 66 65 72 73 20 61 |TXT,"Tra|nsfers a|
|00001d60| 72 65 20 6e 6f 74 20 62 | 65 69 6e 67 20 61 63 63 |re not b|eing acc|
|00001d70| 65 70 74 65 64 2e 22 29 | 3b 0d 09 09 72 65 74 75 |epted.")|;...retu|
|00001d80| 72 6e 28 30 29 3b 0d 09 | 7d 0d 0d 09 69 66 20 28 |rn(0);..|}...if (|
|00001d90| 28 2a 74 66 73 5f 61 6c | 65 72 74 29 28 68 6f 73 |(*tfs_al|ert)(hos|
|00001da0| 74 2c 20 66 69 6c 65 2c | 20 70 74 72 65 71 2d 3e |t, file,| ptreq->|
|00001db0| 74 66 5f 6f 70 20 3d 3d | 20 52 52 51 20 3f 20 50 |tf_op ==| RRQ ? P|
|00001dc0| 55 54 20 3a 20 47 45 54 | 29 20 3d 3d 20 30 29 20 |UT : GET|) == 0) |
|00001dd0| 7b 0d 09 09 6d 74 63 70 | 5f 74 66 72 70 79 65 72 |{...mtcp|_tfrpyer|
|00001de0| 72 28 26 74 66 73 63 6f | 6e 6e 2c 20 45 52 52 54 |r(&tfsco|nn, ERRT|
|00001df0| 58 54 2c 20 22 54 72 61 | 6e 73 66 65 72 20 72 65 |XT, "Tra|nsfer re|
|00001e00| 66 75 73 65 64 2e 22 29 | 3b 0d 09 09 72 65 66 75 |fused.")|;...refu|
|00001e10| 73 65 64 74 20 3d 20 74 | 69 6d 65 3b 0d 09 09 72 |sedt = t|ime;...r|
|00001e20| 65 74 75 72 6e 28 30 29 | 3b 0d 09 7d 0d 0d 09 2f |eturn(0)|;..}.../|
|00001e30| 2a 20 20 49 74 20 6c 6f | 6f 6b 73 20 73 61 66 65 |*  It lo|oks safe|
|00001e40| 20 74 6f 20 74 72 79 20 | 74 6f 20 6f 70 65 6e 20 | to try |to open |
|00001e50| 61 20 63 6f 6e 6e 65 63 | 74 69 6f 6e 2e 20 20 2a |a connec|tion.  *|
|00001e60| 2f 0d 0d 09 69 66 20 28 | 6d 74 74 66 6d 6b 63 6e |/...if (|mttfmkcn|
|00001e70| 28 63 6e 2c 20 50 55 54 | 2c 20 41 53 43 49 49 29 |(cn, PUT|, ASCII)|
|00001e80| 29 20 7b 0d 09 09 2f 2a | 20 20 44 69 72 65 63 74 |) {.../*|  Direct|
|00001e90| 69 6f 6e 20 69 73 20 61 | 20 64 75 6d 6d 79 20 66 |ion is a| dummy f|
|00001ea0| 6f 72 20 6e 6f 77 20 20 | 2a 2f 0d 09 09 65 72 72 |or now  |*/...err|
|00001eb0| 6f 72 28 22 54 46 54 50 | 20 53 45 52 56 45 52 3a |or("TFTP| SERVER:|
|00001ec0| 20 20 43 61 6e 27 74 20 | 6d 61 6b 65 20 63 6f 6e |  Can't |make con|
|00001ed0| 6e 65 63 74 69 6f 6e 2c | 20 69 67 6e 6f 72 69 6e |nection,| ignorin|
|00001ee0| 67 20 72 65 71 75 65 73 | 74 22 29 3b 0d 09 09 72 |g reques|t");...r|
|00001ef0| 65 74 75 72 6e 28 30 29 | 3b 0d 09 7d 0d 0d 23 69 |eturn(0)|;..}..#i|
|00001f00| 66 64 65 66 20 55 44 50 | 46 55 4e 43 0d 09 63 6e |fdef UDP|FUNC..cn|
|00001f10| 2d 3e 74 66 5f 75 64 70 | 20 3d 20 75 64 70 5f 6f |->tf_udp| = udp_o|
|00001f20| 70 65 6e 28 68 6f 73 74 | 2c 20 70 6f 72 74 2c 20 |pen(host|, port, |
|00001f30| 75 64 70 5f 73 6f 63 6b | 65 74 28 29 2c 20 74 66 |udp_sock|et(), tf|
|00001f40| 74 70 5f 72 65 61 64 5f | 64 6f 6e 65 2c 20 63 6e |tp_read_|done, cn|
|00001f50| 29 3b 0d 0d 09 69 66 20 | 28 63 6e 2d 3e 74 66 5f |);...if |(cn->tf_|
|00001f60| 75 64 70 20 3d 3d 20 4e | 55 4c 4c 29 20 7b 0d 09 |udp == N|ULL) {..|
|00001f70| 09 65 72 72 6f 72 28 22 | 54 46 54 50 20 53 45 52 |.error("|TFTP SER|
|00001f80| 56 45 52 3a 20 43 61 6e | 27 74 20 6f 70 65 6e 20 |VER: Can|'t open |
|00001f90| 75 64 70 20 63 6f 6e 6e | 65 63 74 69 6f 6e 2c 20 |udp conn|ection, |
|00001fa0| 69 67 6e 6f 72 69 6e 67 | 20 72 65 71 75 65 73 74 |ignoring| request|
|00001fb0| 22 29 3b 0d 09 09 6d 74 | 63 70 5f 74 66 63 6c 65 |");...mt|cp_tfcle|
|00001fc0| 61 6e 75 70 28 63 6e 29 | 3b 0d 09 09 72 65 74 75 |anup(cn)|;...retu|
|00001fd0| 72 6e 28 30 29 3b 0d 09 | 7d 0d 23 65 6c 73 65 0d |rn(0);..|}.#else.|
|00001fe0| 09 74 66 74 70 70 62 2e | 69 6f 43 52 65 66 4e 75 |.tftppb.|ioCRefNu|
|00001ff0| 6d 20 3d 20 69 70 70 5f | 72 65 66 6e 75 6d 3b 0d |m = ipp_|refnum;.|
|00002000| 09 74 66 74 70 70 62 2e | 63 73 43 6f 64 65 20 3d |.tftppb.|csCode =|
|00002010| 20 55 44 50 43 72 65 61 | 74 65 3b 0d 09 74 66 74 | UDPCrea|te;..tft|
|00002020| 70 70 62 2e 63 73 50 61 | 72 61 6d 2e 63 72 65 61 |ppb.csPa|ram.crea|
|00002030| 74 65 2e 72 63 76 42 75 | 66 66 20 3d 20 26 74 66 |te.rcvBu|ff = &tf|
|00002040| 74 70 62 75 66 5b 30 5d | 3b 0d 09 74 66 74 70 70 |tpbuf[0]|;..tftpp|
|00002050| 62 2e 63 73 50 61 72 61 | 6d 2e 63 72 65 61 74 65 |b.csPara|m.create|
|00002060| 2e 72 63 76 42 75 66 66 | 4c 65 6e 20 3d 20 4d 41 |.rcvBuff|Len = MA|
|00002070| 43 55 44 50 4c 45 4e 3b | 0d 09 74 66 74 70 70 62 |CUDPLEN;|..tftppb|
|00002080| 2e 63 73 50 61 72 61 6d | 2e 63 72 65 61 74 65 2e |.csParam|.create.|
|00002090| 6e 6f 74 69 66 79 50 72 | 6f 63 20 3d 20 28 50 72 |notifyPr|oc = (Pr|
|000020a0| 6f 63 50 74 72 29 20 75 | 64 70 5f 65 76 65 6e 74 |ocPtr) u|dp_event|
|000020b0| 3b 0d 09 74 66 74 70 70 | 62 2e 63 73 50 61 72 61 |;..tftpp|b.csPara|
|000020c0| 6d 2e 63 72 65 61 74 65 | 2e 6c 6f 63 61 6c 50 6f |m.create|.localPo|
|000020d0| 72 74 20 3d 20 75 64 70 | 5f 73 6f 63 6b 65 74 28 |rt = udp|_socket(|
|000020e0| 29 3b 0d 0d 09 69 66 20 | 28 65 72 72 63 6f 64 65 |);...if |(errcode|
|000020f0| 20 3d 20 50 42 43 6f 6e | 74 72 6f 6c 28 26 74 66 | = PBCon|trol(&tf|
|00002100| 74 70 70 62 2c 20 28 42 | 6f 6f 6c 65 61 6e 29 20 |tppb, (B|oolean) |
|00002110| 46 41 4c 53 45 29 29 20 | 7b 0d 09 09 09 65 72 72 |FALSE)) |{....err|
|00002120| 6f 72 28 22 74 66 74 70 | 3a 20 63 6f 75 6c 64 6e |or("tftp|: couldn|
|00002130| 27 74 20 6f 70 65 6e 20 | 55 44 50 22 29 3b 0d 09 |'t open |UDP");..|
|00002140| 7d 0d 09 63 6e 2d 3e 74 | 66 5f 75 64 70 20 3d 20 |}..cn->t|f_udp = |
|00002150| 26 74 66 74 70 70 62 3b | 0d 09 63 6e 2d 3e 74 66 |&tftppb;|..cn->tf|
|00002160| 5f 68 6f 73 74 20 3d 20 | 68 6f 73 74 3b 0d 09 63 |_host = |host;..c|
|00002170| 6e 2d 3e 74 66 5f 70 6f | 72 74 20 3d 20 70 6f 72 |n->tf_po|rt = por|
|00002180| 74 3b 0d 09 74 66 74 70 | 73 74 72 65 61 6d 20 3d |t;..tftp|stream =|
|00002190| 20 74 66 74 70 70 62 2e | 75 64 70 53 74 72 65 61 | tftppb.|udpStrea|
|000021a0| 6d 3b 0d 09 63 6e 2d 3e | 73 74 72 65 61 6d 20 3d |m;..cn->|stream =|
|000021b0| 20 74 66 74 70 73 74 72 | 65 61 6d 3b 0d 0d 09 2f | tftpstr|eam;.../|
|000021c0| 2a 20 61 6e 64 20 73 65 | 74 20 75 70 20 61 20 72 |* and se|t up a r|
|000021d0| 65 61 64 20 2a 2f 0d 09 | 74 66 74 70 70 62 2e 63 |ead */..|tftppb.c|
|000021e0| 73 43 6f 64 65 20 3d 20 | 55 44 50 52 65 61 64 3b |sCode = |UDPRead;|
|000021f0| 0d 09 74 66 74 70 70 62 | 2e 69 6f 43 6f 6d 70 6c |..tftppb|.ioCompl|
|00002200| 65 74 69 6f 6e 20 3d 20 | 74 66 74 70 5f 72 65 61 |etion = |tftp_rea|
|00002210| 64 5f 64 6f 6e 65 3b 0d | 09 74 66 74 70 70 62 2e |d_done;.|.tftppb.|
|00002220| 63 73 50 61 72 61 6d 2e | 72 65 63 65 69 76 65 2e |csParam.|receive.|
|00002230| 74 69 6d 65 4f 75 74 20 | 3d 20 30 3b 0d 09 69 66 |timeOut |= 0;..if|
|00002240| 20 28 65 72 72 63 6f 64 | 65 20 3d 20 50 42 43 6f | (errcod|e = PBCo|
|00002250| 6e 74 72 6f 6c 28 26 74 | 66 74 70 70 62 2c 20 28 |ntrol(&t|ftppb, (|
|00002260| 42 6f 6f 6c 65 61 6e 29 | 20 54 52 55 45 29 29 20 |Boolean)| TRUE)) |
|00002270| 7b 0d 09 09 65 72 72 6f | 72 28 22 74 66 74 70 3a |{...erro|r("tftp:|
|00002280| 20 6e 6f 20 55 44 50 52 | 65 61 64 22 29 3b 0d 09 | no UDPR|ead");..|
|00002290| 7d 0d 23 65 6e 64 69 66 | 0d 0d 09 63 6e 2d 3e 74 |}.#endif|...cn->t|
|000022a0| 66 5f 6d 6f 64 65 20 3d | 20 6d 6f 64 65 3b 0d 09 |f_mode =| mode;..|
|000022b0| 63 6e 2d 3e 74 66 5f 73 | 74 61 74 65 20 3d 20 49 |cn->tf_s|tate = I|
|000022c0| 4e 49 54 3b 0d 09 6d 61 | 63 70 61 74 68 28 66 69 |NIT;..ma|cpath(fi|
|000022d0| 6c 65 2c 20 26 6d 61 63 | 66 69 6c 65 5b 30 5d 29 |le, &mac|file[0])|
|000022e0| 3b 0d 09 69 66 20 28 70 | 74 72 65 71 2d 3e 74 66 |;..if (p|treq->tf|
|000022f0| 5f 6f 70 20 3d 3d 20 52 | 52 51 29 20 7b 0d 09 09 |_op == R|RQ) {...|
|00002300| 63 6e 2d 3e 74 66 5f 64 | 69 72 20 3d 20 50 55 54 |cn->tf_d|ir = PUT|
|00002310| 3b 0d 09 09 63 6e 2d 3e | 74 66 5f 68 61 76 65 70 |;...cn->|tf_havep|
|00002320| 6f 72 74 20 3d 20 54 52 | 55 45 3b 0d 0d 09 09 63 |ort = TR|UE;....c|
|00002330| 6e 2d 3e 74 66 5f 66 64 | 20 3d 20 66 6f 70 65 6e |n->tf_fd| = fopen|
|00002340| 28 26 6d 61 63 66 69 6c | 65 5b 30 5d 2c 20 22 72 |(&macfil|e[0], "r|
|00002350| 22 29 3b 0d 09 09 69 66 | 20 28 63 6e 2d 3e 74 66 |");...if| (cn->tf|
|00002360| 5f 66 64 20 3d 3d 20 4e | 55 4c 4c 29 20 7b 0d 23 |_fd == N|ULL) {.#|
|00002370| 69 66 64 65 66 20 54 46 | 54 50 44 45 42 55 47 0d |ifdef TF|TPDEBUG.|
|00002380| 09 09 09 69 66 20 28 4e | 44 45 42 55 47 20 26 20 |...if (N|DEBUG & |
|00002390| 4e 45 54 45 52 52 7c 50 | 52 4f 54 45 52 52 29 0d |NETERR|P|ROTERR).|
|000023a0| 09 09 09 09 70 72 69 6e | 74 66 28 22 63 6f 75 6c |....prin|tf("coul|
|000023b0| 64 6e 27 74 20 6f 70 65 | 6e 20 66 69 6c 65 5c 6e |dn't ope|n file\n|
|000023c0| 22 29 3b 0d 23 65 6e 64 | 69 66 0d 09 09 09 6d 74 |");.#end|if....mt|
|000023d0| 63 70 5f 74 66 75 64 70 | 65 72 72 28 63 6e 2c 20 |cp_tfudp|err(cn, |
|000023e0| 46 4e 4f 54 46 4f 55 4e | 44 2c 20 4e 55 4c 4c 29 |FNOTFOUN|D, NULL)|
|000023f0| 3b 0d 09 09 09 72 65 66 | 75 73 65 64 74 20 3d 20 |;....ref|usedt = |
|00002400| 63 74 69 63 6b 73 3b 0d | 09 09 09 6d 74 63 70 5f |cticks;.|...mtcp_|
|00002410| 74 66 63 6c 65 61 6e 75 | 70 28 63 6e 29 3b 0d 09 |tfcleanu|p(cn);..|
|00002420| 09 09 28 2a 74 66 73 5f | 64 6f 6e 65 29 28 4f 46 |..(*tfs_|done)(OF|
|00002430| 46 29 3b 20 0d 09 09 09 | 72 65 74 75 72 6e 28 30 |F); ....|return(0|
|00002440| 29 3b 0d 09 09 7d 0d 09 | 09 74 66 73 73 65 6e 64 |);...}..|.tfssend|
|00002450| 28 63 6e 29 3b 0d 09 7d | 0d 09 65 6c 73 65 20 7b |(cn);..}|..else {|
|00002460| 0d 09 09 63 6e 2d 3e 74 | 66 5f 64 69 72 20 3d 20 |...cn->t|f_dir = |
|00002470| 47 45 54 3b 0d 09 09 63 | 6e 2d 3e 74 66 5f 68 61 |GET;...c|n->tf_ha|
|00002480| 76 65 70 6f 72 74 20 3d | 20 54 52 55 45 3b 0d 09 |veport =| TRUE;..|
|00002490| 09 63 6e 2d 3e 74 66 5f | 66 64 20 3d 20 66 6f 70 |.cn->tf_|fd = fop|
|000024a0| 65 6e 28 26 6d 61 63 66 | 69 6c 65 5b 30 5d 2c 20 |en(&macf|ile[0], |
|000024b0| 22 77 22 29 3b 0d 09 09 | 69 66 20 28 63 6e 2d 3e |"w");...|if (cn->|
|000024c0| 74 66 5f 66 64 20 3d 3d | 20 4e 55 4c 4c 29 20 7b |tf_fd ==| NULL) {|
|000024d0| 0d 09 09 09 2f 2a 20 65 | 72 72 6f 72 28 22 63 6f |..../* e|rror("co|
|000024e0| 75 6c 64 6e 27 74 20 6f | 70 65 6e 20 66 69 6c 65 |uldn't o|pen file|
|000024f0| 22 29 3b 20 2a 2f 0d 09 | 09 09 6d 74 63 70 5f 74 |"); */..|..mtcp_t|
|00002500| 66 75 64 70 65 72 72 28 | 63 6e 2c 20 41 43 43 45 |fudperr(|cn, ACCE|
|00002510| 53 53 2c 20 4e 55 4c 4c | 29 3b 0d 09 09 09 72 65 |SS, NULL|);....re|
|00002520| 66 75 73 65 64 74 20 3d | 20 63 74 69 63 6b 73 3b |fusedt =| cticks;|
|00002530| 0d 09 09 09 6d 74 63 70 | 5f 74 66 63 6c 65 61 6e |....mtcp|_tfclean|
|00002540| 75 70 28 63 6e 29 3b 0d | 09 09 09 28 2a 74 66 73 |up(cn);.|...(*tfs|
|00002550| 5f 64 6f 6e 65 29 28 4f | 46 46 29 3b 0d 09 09 09 |_done)(O|FF);....|
|00002560| 72 65 74 75 72 6e 28 30 | 29 3b 0d 09 09 7d 0d 09 |return(0|);...}..|
|00002570| 09 74 66 73 72 63 76 28 | 63 6e 29 3b 0d 09 7d 0d |.tfsrcv(|cn);..}.|
|00002580| 09 6e 74 66 74 70 73 2b | 2b 3b 0d 09 74 66 74 70 |.ntftps+|+;..tftp|
|00002590| 68 6f 73 74 20 3d 20 68 | 6f 73 74 3b 0d 09 74 66 |host = h|ost;..tf|
|000025a0| 74 70 70 6f 72 74 20 3d | 20 70 6f 72 74 3b 0d 7d |tpport =| port;.}|
|000025b0| 0d 0d 0d 74 66 73 72 63 | 76 28 63 6e 29 0d 73 74 |...tfsrc|v(cn).st|
|000025c0| 72 75 63 74 20 74 66 63 | 6f 6e 6e 20 2a 63 6e 3b |ruct tfc|onn *cn;|
|000025d0| 20 0d 7b 0d 09 73 77 69 | 74 63 68 20 28 63 6e 2d | .{..swi|tch (cn-|
|000025e0| 3e 74 66 5f 73 74 61 74 | 65 29 20 7b 0d 09 09 63 |>tf_stat|e) {...c|
|000025f0| 61 73 65 20 49 4e 49 54 | 3a 20 7b 0d 09 09 09 63 |ase INIT|: {....c|
|00002600| 6e 2d 3e 74 66 5f 65 78 | 70 65 63 74 65 64 20 3d |n->tf_ex|pected =|
|00002610| 20 31 3b 0d 09 09 09 6d | 74 63 70 5f 74 66 73 6e | 1;....m|tcp_tfsn|
|00002620| 64 61 63 6b 28 63 6e 2c | 20 30 29 3b 0d 09 09 09 |dack(cn,| 0);....|
|00002630| 63 6e 2d 3e 74 66 5f 73 | 74 61 74 65 20 3d 20 44 |cn->tf_s|tate = D|
|00002640| 41 54 41 57 41 49 54 3b | 0d 09 09 09 62 72 65 61 |ATAWAIT;|....brea|
|00002650| 6b 3b 0d 09 09 7d 0d 09 | 09 63 61 73 65 20 52 43 |k;...}..|.case RC|
|00002660| 56 44 41 54 41 3a 20 7b | 0d 09 09 09 63 6e 2d 3e |VDATA: {|....cn->|
|00002670| 74 66 5f 73 74 61 74 65 | 20 3d 20 44 41 54 41 57 |tf_state| = DATAW|
|00002680| 41 49 54 3b 0d 09 09 09 | 62 72 65 61 6b 3b 0d 09 |AIT;....|break;..|
|00002690| 09 7d 0d 09 09 63 61 73 | 65 20 52 43 56 4c 41 53 |.}...cas|e RCVLAS|
|000026a0| 54 44 41 54 41 3a 20 7b | 0d 09 09 09 6d 74 63 70 |TDATA: {|....mtcp|
|000026b0| 5f 74 66 63 6c 65 61 6e | 75 70 28 63 6e 29 3b 0d |_tfclean|up(cn);.|
|000026c0| 09 09 09 28 2a 74 66 73 | 5f 64 6f 6e 65 29 28 4f |...(*tfs|_done)(O|
|000026d0| 4e 29 3b 0d 09 09 09 6e | 74 66 74 70 73 2d 2d 3b |N);....n|tftps--;|
|000026e0| 0d 09 09 09 74 66 74 70 | 68 6f 73 74 20 3d 20 30 |....tftp|host = 0|
|000026f0| 3b 0d 09 09 09 74 66 74 | 70 70 6f 72 74 20 3d 20 |;....tft|pport = |
|00002700| 30 3b 0d 09 09 09 62 72 | 65 61 6b 3b 0d 09 09 7d |0;....br|eak;...}|
|00002710| 0d 09 09 63 61 73 65 20 | 54 49 4d 45 4f 55 54 3a |...case |TIMEOUT:|
|00002720| 20 7b 0d 23 69 66 64 65 | 66 20 54 46 54 50 44 45 | {.#ifde|f TFTPDE|
|00002730| 42 55 47 0d 09 09 09 69 | 66 20 28 4e 44 45 42 55 |BUG....i|f (NDEBU|
|00002740| 47 20 26 20 54 4d 4f 29 | 0d 09 09 09 09 70 72 69 |G & TMO)|.....pri|
|00002750| 6e 74 66 28 22 54 46 54 | 50 3a 20 48 6f 73 74 20 |ntf("TFT|P: Host |
|00002760| 6e 6f 74 20 72 65 73 70 | 6f 6e 64 69 6e 67 2c 20 |not resp|onding, |
|00002770| 67 69 76 69 6e 67 20 75 | 70 5c 6e 22 29 3b 0d 23 |giving u|p\n");.#|
|00002780| 65 6e 64 69 66 0d 09 09 | 09 6d 74 63 70 5f 74 66 |endif...|.mtcp_tf|
|00002790| 75 64 70 65 72 72 28 63 | 6e 2c 20 45 52 52 54 58 |udperr(c|n, ERRTX|
|000027a0| 54 2c 0d 09 09 09 09 20 | 22 52 65 74 72 79 20 6c |T,..... |"Retry l|
|000027b0| 69 6d 69 74 20 65 78 63 | 65 65 64 65 64 2c 20 67 |imit exc|eeded, g|
|000027c0| 69 76 69 6e 67 20 75 70 | 22 29 3b 0d 09 09 09 6d |iving up|");....m|
|000027d0| 74 63 70 5f 74 66 63 6c | 65 61 6e 75 70 28 63 6e |tcp_tfcl|eanup(cn|
|000027e0| 29 3b 0d 09 09 09 28 2a | 74 66 73 5f 64 6f 6e 65 |);....(*|tfs_done|
|000027f0| 29 28 4f 46 46 29 3b 0d | 09 09 09 6e 74 66 74 70 |)(OFF);.|...ntftp|
|00002800| 73 2d 2d 3b 0d 09 09 09 | 74 66 74 70 68 6f 73 74 |s--;....|tftphost|
|00002810| 20 3d 20 30 3b 0d 09 09 | 09 74 66 74 70 70 6f 72 | = 0;...|.tftppor|
|00002820| 74 20 3d 20 30 3b 0d 09 | 09 09 62 72 65 61 6b 3b |t = 0;..|..break;|
|00002830| 0d 09 09 7d 0d 09 09 64 | 65 66 61 75 6c 74 3a 20 |...}...d|efault: |
|00002840| 7b 0d 09 09 09 2f 2a 20 | 75 6e 6b 6e 6f 77 6e 20 |{..../* |unknown |
|00002850| 73 74 61 74 65 2c 20 6b | 69 6c 6c 20 69 74 20 2a |state, k|ill it *|
|00002860| 2f 0d 09 09 09 6d 74 63 | 70 5f 74 66 63 6c 65 61 |/....mtc|p_tfclea|
|00002870| 6e 75 70 28 63 6e 29 3b | 0d 09 09 09 28 2a 74 66 |nup(cn);|....(*tf|
|00002880| 73 5f 64 6f 6e 65 29 28 | 4f 46 46 29 3b 0d 09 09 |s_done)(|OFF);...|
|00002890| 09 6e 74 66 74 70 73 2d | 2d 3b 0d 09 09 09 74 66 |.ntftps-|-;....tf|
|000028a0| 74 70 68 6f 73 74 20 3d | 20 30 3b 0d 09 09 09 74 |tphost =| 0;....t|
|000028b0| 66 74 70 70 6f 72 74 20 | 3d 20 30 3b 0d 09 09 09 |ftpport |= 0;....|
|000028c0| 62 72 65 61 6b 3b 0d 09 | 09 7d 0d 09 7d 0d 7d 0d |break;..|.}..}.}.|
|000028d0| 0d 0d 2f 2a 20 76 61 72 | 73 20 62 65 6c 6f 6e 67 |../* var|s belong|
|000028e0| 20 69 6e 20 63 6f 6e 6e | 20 73 74 72 75 63 74 20 | in conn| struct |
|000028f0| 2a 2f 0d 0d 69 6e 74 20 | 66 6c 65 6e 3b 0d 69 6e |*/..int |flen;.in|
|00002900| 74 20 74 66 74 70 64 6f | 6e 65 3b 0d 63 68 61 72 |t tftpdo|ne;.char|
|00002910| 20 2a 20 70 66 69 6c 6c | 3b 0d 63 68 61 72 20 2a | * pfill|;.char *|
|00002920| 20 70 73 6e 64 3b 0d 0d | 74 66 73 73 65 6e 64 28 | psnd;..|tfssend(|
|00002930| 63 6e 29 0d 73 74 72 75 | 63 74 20 74 66 63 6f 6e |cn).stru|ct tfcon|
|00002940| 6e 20 2a 63 6e 3b 20 0d | 7b 0d 09 73 77 69 74 63 |n *cn; .|{..switc|
|00002950| 68 20 28 63 6e 2d 3e 74 | 66 5f 73 74 61 74 65 29 |h (cn->t|f_state)|
|00002960| 20 7b 0d 09 09 63 61 73 | 65 20 49 4e 49 54 3a 20 | {...cas|e INIT: |
|00002970| 7b 0d 09 09 09 2f 2a 20 | 6e 6f 20 63 6f 6e 6e 65 |{..../* |no conne|
|00002980| 63 74 69 6f 6e 2c 20 69 | 6e 69 74 69 61 6c 69 7a |ction, i|nitializ|
|00002990| 65 20 2a 2f 0d 09 09 0d | 09 09 09 66 6c 65 6e 20 |e */....|...flen |
|000029a0| 3d 20 4e 4f 52 4d 4c 45 | 4e 3b 0d 09 09 09 74 66 |= NORMLE|N;....tf|
|000029b0| 74 70 64 6f 6e 65 20 3d | 20 30 3b 0d 09 09 09 63 |tpdone =| 0;....c|
|000029c0| 6e 2d 3e 74 66 5f 65 78 | 70 65 63 74 65 64 20 3d |n->tf_ex|pected =|
|000029d0| 20 30 3b 0d 09 09 0d 09 | 09 09 70 73 6e 64 20 3d | 0;.....|..psnd =|
|000029e0| 20 63 6e 2d 3e 74 66 5f | 6f 75 74 70 3b 09 09 09 | cn->tf_|outp;...|
|000029f0| 09 09 2f 2a 20 70 73 6e | 64 20 69 73 20 74 66 74 |../* psn|d is tft|
|00002a00| 70 5f 75 74 69 6c 27 73 | 20 62 75 66 66 65 72 20 |p_util's| buffer |
|00002a10| 2a 2f 0d 09 09 09 70 66 | 69 6c 6c 20 3d 20 6d 61 |*/....pf|ill = ma|
|00002a20| 6c 6c 6f 63 28 4e 4f 52 | 4d 4c 45 4e 29 3b 20 20 |lloc(NOR|MLEN);  |
|00002a30| 09 09 09 2f 2a 20 70 66 | 69 6c 6c 20 69 73 20 6f |.../* pf|ill is o|
|00002a40| 75 72 73 20 2a 2f 0d 09 | 09 09 69 66 20 28 70 66 |urs */..|..if (pf|
|00002a50| 69 6c 6c 20 3d 3d 20 4e | 55 4c 4c 29 20 7b 0d 09 |ill == N|ULL) {..|
|00002a60| 09 09 09 6d 74 63 70 5f | 74 66 75 64 70 65 72 72 |...mtcp_|tfudperr|
|00002a70| 28 63 6e 2c 20 45 52 52 | 54 58 54 2c 20 22 43 6f |(cn, ERR|TXT, "Co|
|00002a80| 75 6c 64 6e 27 74 20 61 | 6c 6c 6f 63 61 74 65 20 |uldn't a|llocate |
|00002a90| 70 61 63 6b 65 74 2e 22 | 29 3b 0d 23 69 66 64 65 |packet."|);.#ifde|
|00002aa0| 66 20 54 46 54 50 44 45 | 42 55 47 0d 09 09 09 09 |f TFTPDE|BUG.....|
|00002ab0| 69 66 20 28 4e 44 45 42 | 55 47 20 26 20 4e 45 54 |if (NDEB|UG & NET|
|00002ac0| 45 52 52 7c 50 52 4f 54 | 45 52 52 29 0d 09 09 09 |ERR|PROT|ERR)....|
|00002ad0| 09 09 70 72 69 6e 74 66 | 28 22 74 66 73 72 65 61 |..printf|("tfsrea|
|00002ae0| 64 3a 20 63 6f 75 6c 64 | 6e 27 74 20 61 6c 6c 6f |d: could|n't allo|
|00002af0| 63 61 74 65 20 70 66 69 | 6c 6c 5c 6e 22 29 3b 0d |cate pfi|ll\n");.|
|00002b00| 23 65 6e 64 69 66 0d 09 | 09 09 09 6d 74 63 70 5f |#endif..|...mtcp_|
|00002b10| 74 66 63 6c 65 61 6e 75 | 70 28 63 6e 29 3b 0d 09 |tfcleanu|p(cn);..|
|00002b20| 09 09 09 28 2a 74 66 73 | 5f 64 6f 6e 65 29 28 4f |...(*tfs|_done)(O|
|00002b30| 46 46 29 3b 0d 09 09 09 | 7d 0d 09 09 09 2f 2a 20 |FF);....|}..../* |
|00002b40| 66 69 6c 6c 20 75 70 20 | 61 20 64 61 74 61 20 70 |fill up |a data p|
|00002b50| 61 63 6b 65 74 20 2a 2f | 0d 09 09 09 66 69 6c 6c |acket */|....fill|
|00002b60| 70 61 63 6b 65 74 28 63 | 6e 29 3b 0d 09 09 09 2f |packet(c|n);..../|
|00002b70| 2a 20 61 6e 64 20 66 61 | 6c 6c 20 74 68 72 6f 75 |* and fa|ll throu|
|00002b80| 67 68 20 74 6f 20 73 65 | 6e 64 20 74 68 65 20 66 |gh to se|nd the f|
|00002b90| 69 72 73 74 20 70 61 63 | 6b 65 74 20 2a 2f 0d 09 |irst pac|ket */..|
|00002ba0| 09 7d 0d 09 09 63 61 73 | 65 20 52 43 56 41 43 4b |.}...cas|e RCVACK|
|00002bb0| 3a 20 7b 0d 09 09 09 63 | 6e 2d 3e 74 66 5f 65 78 |: {....c|n->tf_ex|
|00002bc0| 70 65 63 74 65 64 2b 2b | 3b 0d 0d 09 09 09 2f 2a |pected++|;...../*|
|00002bd0| 20 43 68 65 63 6b 20 69 | 66 20 77 65 27 72 65 20 | Check i|f we're |
|00002be0| 64 6f 6e 65 20 2a 2f 0d | 09 09 09 69 66 20 28 74 |done */.|...if (t|
|00002bf0| 66 74 70 64 6f 6e 65 29 | 20 7b 0d 09 09 09 09 6d |ftpdone)| {.....m|
|00002c00| 74 63 70 5f 74 66 63 6c | 65 61 6e 75 70 28 63 6e |tcp_tfcl|eanup(cn|
|00002c10| 29 3b 0d 09 09 09 09 28 | 2a 74 66 73 5f 64 6f 6e |);.....(|*tfs_don|
|00002c20| 65 29 28 4f 4e 29 3b 0d | 09 09 09 09 66 72 65 65 |e)(ON);.|....free|
|00002c30| 28 70 66 69 6c 6c 29 3b | 0d 09 09 09 09 6e 74 66 |(pfill);|.....ntf|
|00002c40| 74 70 73 2d 2d 3b 0d 09 | 09 09 09 74 66 74 70 68 |tps--;..|...tftph|
|00002c50| 6f 73 74 20 3d 20 30 3b | 0d 09 09 09 09 74 66 74 |ost = 0;|.....tft|
|00002c60| 70 70 6f 72 74 20 3d 20 | 30 3b 0d 09 09 09 09 62 |pport = |0;.....b|
|00002c70| 72 65 61 6b 3b 0d 09 09 | 09 7d 0d 0d 09 09 09 2f |reak;...|.}...../|
|00002c80| 2a 20 49 66 20 6e 6f 74 | 2c 20 72 65 73 75 6d 65 |* If not|, resume|
|00002c90| 20 74 68 65 20 6c 6f 6f | 70 20 2a 2f 0d 09 09 09 | the loo|p */....|
|00002ca0| 70 73 6e 64 20 3d 20 70 | 66 69 6c 6c 3b 09 09 09 |psnd = p|fill;...|
|00002cb0| 2f 2a 20 70 72 65 70 61 | 72 65 20 74 6f 20 73 77 |/* prepa|re to sw|
|00002cc0| 69 74 63 68 20 2a 2f 0d | 09 09 09 70 66 69 6c 6c |itch */.|...pfill|
|00002cd0| 20 3d 20 63 6e 2d 3e 74 | 66 5f 6f 75 74 70 3b 09 | = cn->t|f_outp;.|
|00002ce0| 2f 2a 20 74 61 6b 65 20 | 74 66 74 70 5f 75 74 69 |/* take |tftp_uti|
|00002cf0| 6c 27 73 20 62 75 66 66 | 65 72 20 2a 2f 0d 09 09 |l's buff|er */...|
|00002d00| 09 63 6e 2d 3e 74 66 5f | 6f 75 74 70 20 3d 20 70 |.cn->tf_|outp = p|
|00002d10| 73 6e 64 3b 09 09 2f 2a | 20 6f 75 72 20 62 75 66 |snd;../*| our buf|
|00002d20| 66 65 72 20 74 6f 20 74 | 66 74 70 5f 75 74 69 6c |fer to t|ftp_util|
|00002d30| 20 2a 2f 0d 09 09 09 6d | 74 63 70 5f 74 66 73 6e | */....m|tcp_tfsn|
|00002d40| 64 61 74 61 28 63 6e 2c | 20 66 6c 65 6e 29 3b 0d |data(cn,| flen);.|
|00002d50| 09 09 09 69 66 20 28 66 | 6c 65 6e 20 3c 20 4e 4f |...if (f|len < NO|
|00002d60| 52 4d 4c 45 4e 29 20 0d | 09 09 09 09 74 66 74 70 |RMLEN) .|....tftp|
|00002d70| 64 6f 6e 65 20 3d 20 31 | 3b 0d 09 09 09 65 6c 73 |done = 1|;....els|
|00002d80| 65 0d 09 09 09 09 66 69 | 6c 6c 70 61 63 6b 65 74 |e.....fi|llpacket|
|00002d90| 28 63 6e 29 3b 09 09 2f | 2a 20 66 69 6c 6c 20 74 |(cn);../|* fill t|
|00002da0| 68 65 20 6e 65 78 74 20 | 70 61 63 6b 65 74 20 61 |he next |packet a|
|00002db0| 73 20 77 65 20 77 61 69 | 74 20 66 6f 72 20 41 43 |s we wai|t for AC|
|00002dc0| 4b 20 2a 2f 0d 09 09 09 | 62 72 65 61 6b 3b 0d 09 |K */....|break;..|
|00002dd0| 09 7d 0d 09 09 63 61 73 | 65 20 54 49 4d 45 4f 55 |.}...cas|e TIMEOU|
|00002de0| 54 3a 20 7b 0d 23 69 66 | 64 65 66 20 54 46 54 50 |T: {.#if|def TFTP|
|00002df0| 44 45 42 55 47 0d 09 09 | 09 69 66 20 28 4e 44 45 |DEBUG...|.if (NDE|
|00002e00| 42 55 47 20 26 20 54 4d | 4f 29 0d 09 09 09 09 70 |BUG & TM|O).....p|
|00002e10| 72 69 6e 74 66 28 22 54 | 46 54 50 3a 20 48 6f 73 |rintf("T|FTP: Hos|
|00002e20| 74 20 6e 6f 74 20 72 65 | 73 70 6f 6e 64 69 6e 67 |t not re|sponding|
|00002e30| 2c 20 67 69 76 69 6e 67 | 20 75 70 5c 6e 22 29 3b |, giving| up\n");|
|00002e40| 0d 23 65 6e 64 69 66 0d | 09 09 09 6d 74 63 70 5f |.#endif.|...mtcp_|
|00002e50| 74 66 75 64 70 65 72 72 | 28 63 6e 2c 0d 09 09 09 |tfudperr|(cn,....|
|00002e60| 09 45 52 52 54 58 54 2c | 20 22 52 65 74 72 79 20 |.ERRTXT,| "Retry |
|00002e70| 6c 69 6d 69 74 20 65 78 | 63 65 65 64 65 64 2c 20 |limit ex|ceeded, |
|00002e80| 67 69 76 69 6e 67 20 75 | 70 22 29 3b 0d 09 09 09 |giving u|p");....|
|00002e90| 6d 74 63 70 5f 74 66 63 | 6c 65 61 6e 75 70 28 63 |mtcp_tfc|leanup(c|
|00002ea0| 6e 29 3b 0d 09 09 09 28 | 2a 74 66 73 5f 64 6f 6e |n);....(|*tfs_don|
|00002eb0| 65 29 28 4f 46 46 29 3b | 0d 09 09 09 66 72 65 65 |e)(OFF);|....free|
|00002ec0| 28 70 66 69 6c 6c 29 3b | 0d 09 09 09 6e 74 66 74 |(pfill);|....ntft|
|00002ed0| 70 73 2d 2d 3b 0d 09 09 | 09 74 66 74 70 68 6f 73 |ps--;...|.tftphos|
|00002ee0| 74 20 3d 20 30 3b 0d 09 | 09 09 74 66 74 70 70 6f |t = 0;..|..tftppo|
|00002ef0| 72 74 20 3d 20 30 3b 0d | 09 09 09 62 72 65 61 6b |rt = 0;.|...break|
|00002f00| 3b 0d 09 09 7d 0d 09 09 | 64 65 66 61 75 6c 74 3a |;...}...|default:|
|00002f10| 20 7b 0d 09 09 09 2f 2a | 20 73 6f 6d 65 74 68 69 | {..../*| somethi|
|00002f20| 6e 67 27 73 20 77 72 6f | 6e 67 20 68 65 72 65 20 |ng's wro|ng here |
|00002f30| 2a 2f 0d 09 09 09 6d 74 | 63 70 5f 74 66 63 6c 65 |*/....mt|cp_tfcle|
|00002f40| 61 6e 75 70 28 63 6e 29 | 3b 0d 09 09 09 28 2a 74 |anup(cn)|;....(*t|
|00002f50| 66 73 5f 64 6f 6e 65 29 | 28 4f 4e 29 3b 0d 09 09 |fs_done)|(ON);...|
|00002f60| 09 66 72 65 65 28 70 66 | 69 6c 6c 29 3b 0d 09 09 |.free(pf|ill);...|
|00002f70| 09 6e 74 66 74 70 73 2d | 2d 3b 0d 09 09 09 74 66 |.ntftps-|-;....tf|
|00002f80| 74 70 68 6f 73 74 20 3d | 20 30 3b 0d 09 09 09 74 |tphost =| 0;....t|
|00002f90| 66 74 70 70 6f 72 74 20 | 3d 20 30 3b 0d 09 09 09 |ftpport |= 0;....|
|00002fa0| 62 72 65 61 6b 3b 0d 09 | 09 7d 0d 09 7d 0d 7d 0d |break;..|.}..}.}.|
|00002fb0| 0d 0d 66 69 6c 6c 70 61 | 63 6b 65 74 28 63 6e 29 |..fillpa|cket(cn)|
|00002fc0| 0d 73 74 72 75 63 74 20 | 74 66 63 6f 6e 6e 20 2a |.struct |tfconn *|
|00002fd0| 63 6e 3b 20 0d 7b 0d 09 | 72 65 67 69 73 74 65 72 |cn; .{..|register|
|00002fe0| 20 63 68 61 72 20 2a 20 | 64 61 74 61 70 3b 0d 09 | char * |datap;..|
|00002ff0| 72 65 67 69 73 74 65 72 | 20 63 68 61 72 20 2a 20 |register| char * |
|00003000| 65 6e 64 70 3b 0d 09 0d | 09 64 61 74 61 70 20 3d |endp;...|.datap =|
|00003010| 20 28 63 68 61 72 20 2a | 29 20 74 66 74 70 5f 64 | (char *|) tftp_d|
|00003020| 61 74 61 28 70 66 69 6c | 6c 29 3b 0d 09 0d 09 66 |ata(pfil|l);....f|
|00003030| 6c 65 6e 20 3d 20 66 72 | 65 61 64 28 64 61 74 61 |len = fr|ead(data|
|00003040| 70 2c 20 31 2c 20 4e 4f | 52 4d 4c 45 4e 2c 20 63 |p, 1, NO|RMLEN, c|
|00003050| 6e 2d 3e 74 66 5f 66 64 | 29 3b 0d 09 69 66 20 28 |n->tf_fd|);..if (|
|00003060| 63 6e 2d 3e 74 66 5f 6d | 6f 64 65 20 3d 3d 20 41 |cn->tf_m|ode == A|
|00003070| 53 43 49 49 29 20 7b 0d | 09 09 2f 2a 20 74 72 61 |SCII) {.|../* tra|
|00003080| 6e 73 6c 61 74 65 20 43 | 52 27 73 20 74 6f 20 4c |nslate C|R's to L|
|00003090| 46 27 73 20 2a 2f 0d 09 | 09 0d 09 09 66 6f 72 20 |F's */..|....for |
|000030a0| 28 65 6e 64 70 20 3d 20 | 64 61 74 61 70 20 2b 20 |(endp = |datap + |
|000030b0| 66 6c 65 6e 3b 20 64 61 | 74 61 70 20 3c 20 65 6e |flen; da|tap < en|
|000030c0| 64 70 3b 20 64 61 74 61 | 70 2b 2b 29 20 7b 0d 09 |dp; data|p++) {..|
|000030d0| 09 09 69 66 20 28 2a 64 | 61 74 61 70 20 3d 3d 20 |..if (*d|atap == |
|000030e0| 30 78 30 64 29 0d 09 09 | 09 09 2a 64 61 74 61 70 |0x0d)...|..*datap|
|000030f0| 20 3d 20 30 78 30 61 3b | 0d 09 09 7d 0d 09 7d 0d | = 0x0a;|...}..}.|
|00003100| 09 63 6e 2d 3e 74 66 5f | 73 69 7a 65 20 2b 3d 20 |.cn->tf_|size += |
|00003110| 66 6c 65 6e 3b 0d 7d 00 | 00 00 00 00 00 00 00 00 |flen;.}.|........|
|00003120| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003130| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003140| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003150| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003160| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003170| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003180| 00 00 01 00 00 00 01 4c | 00 00 00 4c 00 00 00 32 |.......L|...L...2|
|00003190| 6f 20 74 66 74 70 5f 75 | 74 69 6c 20 2a 2f 0d 09 |o tftp_u|til */..|
|000031a0| 09 09 74 66 73 6e 64 61 | 74 61 28 63 6e 2c 20 66 |..tfsnda|ta(cn, f|
|000031b0| 0a 74 66 74 70 5f 73 72 | 76 2e 63 01 02 00 00 00 |.tftp_sr|v.c.....|
|000031c0| 50 61 72 74 53 49 54 78 | 00 00 00 00 00 00 00 00 |PartSITx|........|
|000031d0| 00 00 50 61 72 74 53 49 | 54 78 00 00 00 00 00 00 |..PartSI|Tx......|
|000031e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000031f0| 00 00 a9 8d 3a 73 00 00 | 00 00 00 00 01 7e 0d 09 |....:s..|.....~..|
|00003200| 09 28 2a 74 66 73 5f 64 | 6f 6e 65 29 28 4f 4e 29 |.(*tfs_d|one)(ON)|
|00003210| 3b 0d 09 09 75 64 70 5f | 66 72 65 65 28 70 66 69 |;...udp_|free(pfi|
|00003220| 6c 6c 29 3b 0d 09 09 62 | 72 65 61 6b 3b 0d 09 7d |ll);...b|reak;..}|
|00003230| 0d 0d 09 6e 74 66 74 70 | 73 2d 2d 3b 0d 09 74 6b |...ntftp|s--;..tk|
|00003240| 5f 65 78 69 74 28 29 3b | 0d 7d 0d 0d 00 00 00 00 |_exit();|.}......|
|00003250| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003260| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003270| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003280| 00 00 00 48 00 09 4d 6f | 6e 61 63 6f 00 0a 6e 20 |...H..Mo|naco..n |
|00003290| 00 00 01 e8 2a 20 38 2f | 32 30 2f 38 37 20 6b 65 |....* 8/|20/87 ke|
|000032a0| 76 69 6e 20 61 64 00 06 | 00 04 00 27 00 00 01 e1 |vin ad..|...'....|
|000032b0| 02 00 00 27 00 00 01 e1 | 02 00 a4 4b 0c f0 00 00 |...'....|...K....|
|000032c0| 26 57 00 00 26 5f 00 00 | 25 31 01 00 00 00 01 00 |&W..&_..|%1......|
|000032d0| 00 00 01 4c 00 00 00 4c | 00 00 00 32 00 17 cc b4 |...L...L|...2....|
|000032e0| 05 84 00 00 00 1c 00 32 | 00 00 4d 50 53 52 00 00 |.......2|..MPSR..|
|000032f0| 00 0a 03 ed ff ff 00 00 | 00 00 00 19 05 a4 00 00 |........|........|
+--------+-------------------------+-------------------------+--------+--------+