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|00000020| 74 68 3a 20 73 70 61 72 | 6b 79 21 75 75 6e 65 74 |th: spar|ky!uunet|
|00000030| 21 6d 75 72 70 68 79 21 | 6a 70 72 61 64 6c 65 79 |!murphy!|jpradley|
|00000040| 21 6a 70 72 0a 46 72 6f | 6d 3a 20 6a 70 72 40 6a |!jpr.Fro|m: jpr@j|
|00000050| 70 72 61 64 6c 65 79 2e | 6a 70 72 2e 63 6f 6d 20 |pradley.|jpr.com |
|00000060| 28 4a 65 61 6e 2d 50 69 | 65 72 72 65 20 52 61 64 |(Jean-Pi|erre Rad|
|00000070| 6c 65 79 29 0a 53 75 62 | 6a 65 63 74 3a 20 52 65 |ley).Sub|ject: Re|
|00000080| 3a 20 4f 20 57 69 7a 61 | 72 64 73 2c 20 69 73 20 |: O Wiza|rds, is |
|00000090| 74 68 65 72 65 20 76 69 | 20 77 2f 6f 75 74 20 73 |there vi| w/out s|
|000000a0| 68 65 6c 6c 3f 0a 4f 72 | 67 61 6e 69 7a 61 74 69 |hell?.Or|ganizati|
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|000000c0| 44 61 74 65 3a 20 53 75 | 6e 2c 20 31 33 20 44 65 |Date: Su|n, 13 De|
|000000d0| 63 20 31 39 39 32 20 31 | 37 3a 33 34 3a 33 36 20 |c 1992 1|7:34:36 |
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|000000f0| 3c 31 39 39 32 44 65 63 | 31 33 2e 31 37 33 34 33 |<1992Dec|13.17343|
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|00002980| 66 69 65 64 20 70 65 72 | 6d 69 73 73 69 6f 6e 20 |fied per|mission |
|00002990| 65 78 69 73 74 73 2c 20 | 30 20 6f 74 68 65 72 77 |exists, |0 otherw|
|000029a0| 69 73 65 0a 58 20 2a 2f | 0a 58 70 65 72 6d 73 5f |ise.X */|.Xperms_|
|000029b0| 6f 6b 28 73 74 61 74 62 | 75 66 2c 20 6d 6f 64 65 |ok(statb|uf, mode|
|000029c0| 29 0a 58 73 74 72 75 63 | 74 20 73 74 61 74 20 2a |).Xstruc|t stat *|
|000029d0| 73 74 61 74 62 75 66 3b | 09 2f 2a 20 73 74 61 74 |statbuf;|./* stat|
|000029e0| 28 29 20 62 75 66 66 65 | 72 20 66 6f 72 20 66 69 |() buffe|r for fi|
|000029f0| 6c 65 20 6f 72 20 64 69 | 72 65 63 74 6f 72 79 20 |le or di|rectory |
|00002a00| 2a 2f 0a 58 69 6e 74 20 | 6d 6f 64 65 3b 09 09 2f |*/.Xint |mode;../|
|00002a10| 2a 20 52 45 41 44 2c 20 | 57 52 49 54 45 2c 20 6f |* READ, |WRITE, o|
|00002a20| 72 20 45 58 45 43 55 54 | 45 20 2a 2f 0a 58 7b 0a |r EXECUT|E */.X{.|
|00002a30| 58 09 69 66 20 28 6d 6f | 64 65 20 21 3d 20 52 45 |X.if (mo|de != RE|
|00002a40| 41 44 20 26 26 20 6d 6f | 64 65 20 21 3d 20 57 52 |AD && mo|de != WR|
|00002a50| 49 54 45 20 26 26 20 6d | 6f 64 65 20 21 3d 20 45 |ITE && m|ode != E|
|00002a60| 58 45 43 55 54 45 29 0a | 58 09 09 72 65 74 75 72 |XECUTE).|X..retur|
|00002a70| 6e 28 30 29 3b 0a 58 09 | 65 6c 73 65 20 69 66 20 |n(0);.X.|else if |
|00002a80| 28 67 65 74 75 69 64 28 | 29 20 3d 3d 20 30 29 0a |(getuid(|) == 0).|
|00002a90| 58 09 09 72 65 74 75 72 | 6e 28 31 29 3b 0a 58 09 |X..retur|n(1);.X.|
|00002aa0| 65 6c 73 65 20 69 66 20 | 28 20 73 74 61 74 62 75 |else if |( statbu|
|00002ab0| 66 2d 3e 73 74 5f 75 69 | 64 20 3d 3d 20 67 65 74 |f->st_ui|d == get|
|00002ac0| 75 69 64 28 29 0a 58 09 | 20 20 20 20 20 26 26 20 |uid().X.|     && |
|00002ad0| 20 28 73 74 61 74 62 75 | 66 2d 3e 73 74 5f 6d 6f | (statbu|f->st_mo|
|00002ae0| 64 65 20 26 20 28 6d 6f | 64 65 20 2a 20 4f 57 4e |de & (mo|de * OWN|
|00002af0| 45 52 29 29 20 29 0a 58 | 09 09 72 65 74 75 72 6e |ER)) ).X|..return|
|00002b00| 28 31 29 3b 0a 58 09 65 | 6c 73 65 20 69 66 20 28 |(1);.X.e|lse if (|
|00002b10| 20 73 74 61 74 62 75 66 | 2d 3e 73 74 5f 67 69 64 | statbuf|->st_gid|
|00002b20| 20 3d 3d 20 67 65 74 67 | 69 64 28 29 0a 58 09 20 | == getg|id().X. |
|00002b30| 20 20 20 20 26 26 20 20 | 28 73 74 61 74 62 75 66 |    &&  |(statbuf|
|00002b40| 2d 3e 73 74 5f 6d 6f 64 | 65 20 26 20 28 6d 6f 64 |->st_mod|e & (mod|
|00002b50| 65 20 2a 20 47 52 4f 55 | 50 29 29 20 29 0a 58 09 |e * GROU|P)) ).X.|
|00002b60| 09 72 65 74 75 72 6e 28 | 31 29 3b 0a 58 09 65 6c |.return(|1);.X.el|
|00002b70| 73 65 20 69 66 20 28 20 | 73 74 61 74 62 75 66 2d |se if ( |statbuf-|
|00002b80| 3e 73 74 5f 6d 6f 64 65 | 20 26 20 28 6d 6f 64 65 |>st_mode| & (mode|
|00002b90| 20 2a 20 4f 54 48 45 52 | 29 20 29 0a 58 09 09 65 | * OTHER|) ).X..e|
|00002ba0| 74 75 72 6e 28 31 29 3b | 0a 58 09 65 6c 73 65 20 |turn(1);|.X.else |
|00002bb0| 72 65 74 75 72 6e 28 30 | 29 3b 0a 58 7d 0a 58 0a |return(0|);.X}.X.|
|00002bc0| 58 2f 2a 20 6d 61 69 6e | 28 29 0a 58 20 2a 2f 0a |X/* main|().X */.|
|00002bd0| 58 6d 61 69 6e 28 61 72 | 67 63 2c 20 61 72 67 76 |Xmain(ar|gc, argv|
|00002be0| 29 0a 58 69 6e 74 20 61 | 72 67 63 3b 20 63 68 61 |).Xint a|rgc; cha|
|00002bf0| 72 20 2a 2a 61 72 67 76 | 3b 0a 58 7b 0a 58 09 46 |r **argv|;.X{.X.F|
|00002c00| 49 4c 45 20 2a 64 65 66 | 61 6c 74 3b 0a 58 09 63 |ILE *def|alt;.X.c|
|00002c10| 68 61 72 20 63 2c 20 2a | 62 6f 7a 6f 64 69 72 3b |har c, *|bozodir;|
|00002c20| 0a 58 09 69 6e 74 20 75 | 6e 6e 61 6d 65 64 2c 20 |.X.int u|nnamed, |
|00002c30| 6e 65 77 66 69 6c 65 3b | 0a 58 09 69 6e 74 20 6b |newfile;|.X.int k|
|00002c40| 69 64 73 74 61 74 75 73 | 2c 20 6b 69 64 70 69 64 |idstatus|, kidpid|
|00002c50| 3b 0a 58 09 73 74 61 74 | 69 63 20 63 68 61 72 20 |;.X.stat|ic char |
|00002c60| 74 65 6d 70 6e 61 6d 65 | 5b 38 30 5d 2c 20 66 69 |tempname|[80], fi|
|00002c70| 6c 65 6e 61 6d 65 5b 31 | 35 5d 3b 0a 58 09 73 74 |lename[1|5];.X.st|
|00002c80| 61 74 69 63 20 63 68 61 | 72 20 6c 61 73 74 63 68 |atic cha|r lastch|
|00002c90| 61 6e 63 65 5b 38 30 5d | 20 3d 20 22 2f 72 76 69 |ance[80]| = "/rvi|
|00002ca0| 74 6d 70 22 3b 0a 58 09 | 65 78 74 65 72 6e 20 63 |tmp";.X.|extern c|
|00002cb0| 68 61 72 20 2a 67 65 74 | 65 6e 76 28 29 2c 20 2a |har *get|env(), *|
|00002cc0| 73 74 72 63 68 72 28 29 | 2c 20 2a 73 74 72 72 63 |strchr()|, *strrc|
|00002cd0| 68 72 28 29 2c 20 2a 73 | 74 72 6e 63 70 79 28 29 |hr(), *s|trncpy()|
|00002ce0| 3b 0a 58 09 65 78 74 65 | 72 6e 20 46 49 4c 45 20 |;.X.exte|rn FILE |
|00002cf0| 2a 66 6f 70 65 6e 28 29 | 3b 0a 58 0a 58 09 6e 65 |*fopen()|;.X.X.ne|
|00002d00| 77 66 69 6c 65 20 3d 20 | 75 6e 6e 61 6d 65 64 20 |wfile = |unnamed |
|00002d10| 3d 20 30 3b 0a 58 09 70 | 72 6f 67 6e 61 6d 65 20 |= 0;.X.p|rogname |
|00002d20| 3d 20 61 72 67 76 5b 30 | 5d 3b 0a 58 0a 58 09 2f |= argv[0|];.X.X./|
|00002d30| 2a 20 65 73 74 61 62 6c | 69 73 68 20 77 68 69 63 |* establ|ish whic|
|00002d40| 68 20 64 69 72 65 63 74 | 6f 72 79 20 74 6f 20 75 |h direct|ory to u|
|00002d50| 73 65 20 2a 2f 0a 58 09 | 69 66 20 28 28 62 6f 7a |se */.X.|if ((boz|
|00002d60| 6f 64 69 72 3d 67 65 74 | 65 6e 76 28 22 52 56 49 |odir=get|env("RVI|
|00002d70| 44 49 52 22 29 29 21 3d | 30 29 0a 58 09 09 3b 0a |DIR"))!=|0).X..;.|
|00002d80| 58 09 65 6c 73 65 20 69 | 66 20 28 28 64 65 66 61 |X.else i|f ((defa|
|00002d90| 6c 74 3d 66 6f 70 65 6e | 28 22 2f 65 74 63 2f 64 |lt=fopen|("/etc/d|
|00002da0| 65 66 61 75 6c 74 2f 72 | 76 69 22 2c 22 72 22 29 |efault/r|vi","r")|
|00002db0| 29 20 21 3d 20 28 63 68 | 61 72 20 2a 29 30 29 20 |) != (ch|ar *)0) |
|00002dc0| 7b 0a 58 09 09 66 67 65 | 74 73 28 6c 61 73 74 63 |{.X..fge|ts(lastc|
|00002dd0| 68 61 6e 63 65 2c 38 30 | 2c 64 65 66 61 6c 74 29 |hance,80|,defalt)|
|00002de0| 3b 0a 58 09 09 2a 28 73 | 74 72 63 68 72 28 6c 61 |;.X..*(s|trchr(la|
|00002df0| 73 74 63 68 61 6e 63 65 | 2c 27 5c 6e 27 29 29 20 |stchance|,'\n')) |
|00002e00| 3d 20 27 5c 30 27 3b 0a | 58 09 09 62 6f 7a 6f 64 |= '\0';.|X..bozod|
|00002e10| 69 72 20 3d 20 6c 61 73 | 74 63 68 61 6e 63 65 3b |ir = las|tchance;|
|00002e20| 0a 58 09 09 69 66 20 28 | 2a 62 6f 7a 6f 64 69 72 |.X..if (|*bozodir|
|00002e30| 20 3d 3d 20 27 5c 30 27 | 29 20 62 6f 7a 6f 64 69 | == '\0'|) bozodi|
|00002e40| 72 20 3d 20 42 4f 5a 4f | 44 49 52 3b 0a 58 09 09 |r = BOZO|DIR;.X..|
|00002e50| 66 63 6c 6f 73 65 28 64 | 65 66 61 6c 74 29 3b 0a |fclose(d|efalt);.|
|00002e60| 58 09 7d 0a 58 09 65 6c | 73 65 20 62 6f 7a 6f 64 |X.}.X.el|se bozod|
|00002e70| 69 72 20 3d 20 42 4f 5a | 4f 44 49 52 3b 0a 58 0a |ir = BOZ|ODIR;.X.|
|00002e80| 58 09 2f 2a 20 63 68 65 | 63 6b 20 70 65 72 6d 69 |X./* che|ck permi|
|00002e90| 73 73 69 6f 6e 73 20 61 | 6e 64 20 69 6e 69 74 69 |ssions a|nd initi|
|00002ea0| 61 6c 69 7a 65 20 73 74 | 75 66 66 20 2a 2f 0a 58 |alize st|uff */.X|
|00002eb0| 09 69 66 20 28 61 72 67 | 63 20 3d 3d 20 31 29 20 |.if (arg|c == 1) |
|00002ec0| 7b 09 2f 2a 20 6e 6f 20 | 65 64 69 74 20 66 69 6c |{./* no |edit fil|
|00002ed0| 65 20 73 70 65 63 69 66 | 69 65 64 20 2a 2f 0a 58 |e specif|ied */.X|
|00002ee0| 09 09 73 70 72 69 6e 74 | 66 28 66 69 6c 65 6e 61 |..sprint|f(filena|
|00002ef0| 6d 65 2c 22 62 74 78 74 | 25 64 22 2c 67 65 74 70 |me,"btxt|%d",getp|
|00002f00| 69 64 28 29 29 3b 0a 58 | 09 09 6e 65 77 66 69 6c |id());.X|..newfil|
|00002f10| 65 20 3d 20 75 6e 6e 61 | 6d 65 64 20 3d 20 31 3b |e = unna|med = 1;|
|00002f20| 0a 58 09 7d 0a 58 09 65 | 6c 73 65 20 7b 09 09 09 |.X.}.X.e|lse {...|
|00002f30| 2f 2a 20 66 69 6c 65 20 | 73 70 65 63 69 66 69 65 |/* file |specifie|
|00002f40| 64 20 2a 2f 0a 58 09 09 | 69 66 20 28 61 72 67 63 |d */.X..|if (argc|
|00002f50| 20 3e 20 32 29 0a 58 09 | 09 09 41 62 6f 72 74 28 | > 2).X.|..Abort(|
|00002f60| 22 6f 6e 6c 79 20 6f 6e | 65 20 66 69 6c 65 6e 61 |"only on|e filena|
|00002f70| 6d 65 20 61 6c 6c 6f 77 | 65 64 5c 6e 22 2c 22 22 |me allow|ed\n",""|
|00002f80| 29 3b 0a 58 09 09 69 66 | 20 28 73 74 72 63 68 72 |);.X..if| (strchr|
|00002f90| 28 61 72 67 76 5b 31 5d | 2c 27 2f 27 29 29 0a 58 |(argv[1]|,'/')).X|
|00002fa0| 09 09 09 41 62 6f 72 74 | 28 22 62 61 64 20 66 69 |...Abort|("bad fi|
|00002fb0| 6c 65 6e 61 6d 65 20 27 | 25 73 27 20 28 6e 6f 74 |lename '|%s' (not|
|00002fc0| 20 61 20 62 61 73 65 6e | 61 6d 65 29 5c 6e 22 2c | a basen|ame)\n",|
|00002fd0| 61 72 67 76 5b 31 5d 29 | 3b 0a 58 09 09 69 66 20 |argv[1])|;.X..if |
|00002fe0| 28 73 74 72 6c 65 6e 28 | 61 72 67 76 5b 31 5d 29 |(strlen(|argv[1])|
|00002ff0| 20 3e 20 31 34 29 0a 58 | 09 09 09 41 62 6f 72 74 | > 14).X|...Abort|
|00003000| 28 22 62 61 64 20 66 69 | 6c 65 6e 61 6d 65 20 27 |("bad fi|lename '|
|00003010| 25 73 27 20 28 74 6f 6f | 20 6c 6f 6e 67 29 5c 6e |%s' (too| long)\n|
|00003020| 22 2c 61 72 67 76 5b 31 | 5d 29 3b 0a 58 09 09 73 |",argv[1|]);.X..s|
|00003030| 74 72 6e 63 70 79 28 66 | 69 6c 65 6e 61 6d 65 2c |trncpy(f|ilename,|
|00003040| 61 72 67 76 5b 31 5d 2c | 31 34 29 3b 0a 58 09 09 |argv[1],|14);.X..|
|00003050| 69 66 20 28 73 74 61 74 | 28 66 69 6c 65 6e 61 6d |if (stat|(filenam|
|00003060| 65 2c 26 62 75 66 29 3d | 3d 30 29 20 7b 09 2f 2a |e,&buf)=|=0) {./*|
|00003070| 20 66 69 6c 65 20 65 78 | 69 73 74 73 20 2a 2f 0a | file ex|ists */.|
|00003080| 58 09 09 09 69 66 20 28 | 21 70 65 72 6d 73 5f 6f |X...if (|!perms_o|
|00003090| 6b 28 26 62 75 66 2c 57 | 52 49 54 45 29 29 0a 58 |k(&buf,W|RITE)).X|
|000030a0| 09 09 09 09 41 62 6f 72 | 74 28 22 63 61 6e 27 74 |....Abor|t("can't|
|000030b0| 20 77 72 69 74 65 20 66 | 69 6c 65 20 27 25 73 27 | write f|ile '%s'|
|000030c0| 5c 6e 22 2c 66 69 6c 65 | 6e 61 6d 65 29 3b 0a 58 |\n",file|name);.X|
|000030d0| 09 09 7d 0a 58 09 09 65 | 6c 73 65 20 6e 65 77 66 |..}.X..e|lse newf|
|000030e0| 69 6c 65 20 3d 20 31 3b | 09 09 2f 2a 20 66 69 6c |ile = 1;|../* fil|
|000030f0| 65 20 64 6f 65 73 6e 27 | 74 20 65 78 69 73 74 20 |e doesn'|t exist |
|00003100| 2a 2f 0a 58 09 7d 0a 58 | 0a 58 09 69 66 20 28 6e |*/.X.}.X|.X.if (n|
|00003110| 65 77 66 69 6c 65 29 20 | 7b 0a 58 09 09 69 66 20 |ewfile) |{.X..if |
|00003120| 28 73 74 61 74 28 22 2e | 22 2c 26 62 75 66 29 20 |(stat(".|",&buf) |
|00003130| 3c 20 30 29 0a 58 09 09 | 09 41 62 6f 72 74 28 22 |< 0).X..|.Abort("|
|00003140| 63 61 6e 27 74 20 73 74 | 61 74 20 77 6f 72 6b 69 |can't st|at worki|
|00003150| 6e 67 20 64 69 72 65 63 | 74 6f 72 79 5c 6e 22 2c |ng direc|tory\n",|
|00003160| 22 22 29 3b 0a 58 09 09 | 69 66 20 28 21 70 65 72 |"");.X..|if (!per|
|00003170| 6d 73 5f 6f 6b 28 26 62 | 75 66 2c 57 52 49 54 45 |ms_ok(&b|uf,WRITE|
|00003180| 29 29 0a 58 09 09 09 41 | 62 6f 72 74 28 22 63 61 |)).X...A|bort("ca|
|00003190| 6e 27 74 20 77 72 69 74 | 65 20 69 6e 20 77 6f 72 |n't writ|e in wor|
|000031a0| 6b 69 6e 67 20 64 69 72 | 65 63 74 6f 72 79 5c 6e |king dir|ectory\n|
|000031b0| 22 2c 22 22 29 3b 0a 58 | 09 09 2f 2a 20 6c 65 74 |","");.X|../* let|
|000031c0| 20 61 20 6b 69 64 20 63 | 72 65 61 74 65 20 74 68 | a kid c|reate th|
|000031d0| 65 20 66 69 6c 65 20 77 | 69 74 68 20 74 68 65 20 |e file w|ith the |
|000031e0| 75 73 65 72 27 73 20 72 | 65 61 6c 20 75 69 64 2f |user's r|eal uid/|
|000031f0| 67 69 64 20 20 2a 2f 0a | 58 09 09 2f 2a 20 28 77 |gid  */.|X../* (w|
|00003200| 65 20 63 6f 75 6c 64 20 | 63 72 65 61 74 65 20 69 |e could |create i|
|00003210| 74 20 6f 75 72 73 65 6c | 66 20 61 73 20 27 72 6f |t oursel|f as 'ro|
|00003220| 6f 74 27 2c 20 61 6e 64 | 20 63 68 6f 77 6e 28 29 |ot', and| chown()|
|00003230| 2c 20 62 75 74 20 2a 2f | 0a 58 09 09 2f 2a 20 74 |, but */|.X../* t|
|00003240| 68 69 73 20 65 6e 73 75 | 72 65 73 20 74 68 61 74 |his ensu|res that|
|00003250| 20 74 68 65 20 63 72 65 | 61 74 28 29 20 73 75 63 | the cre|at() suc|
|00003260| 63 65 65 64 73 20 6f 72 | 20 66 61 69 6c 73 20 62 |ceeds or| fails b|
|00003270| 79 20 74 68 65 20 20 2a | 2f 0a 58 09 09 2f 2a 20 |y the  *|/.X../* |
|00003280| 75 73 65 72 27 73 20 6f | 77 6e 20 72 65 61 6c 20 |user's o|wn real |
|00003290| 70 65 72 6d 69 73 73 69 | 6f 6e 73 29 2e 20 20 20 |permissi|ons).   |
|000032a0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000032b0| 20 20 20 20 20 20 20 20 | 2a 2f 0a 58 09 09 69 66 |        |*/.X..if|
|000032c0| 20 28 28 6b 69 64 70 69 | 64 3d 66 6f 72 6b 28 29 | ((kidpi|d=fork()|
|000032d0| 29 3d 3d 30 29 20 7b 0a | 58 09 09 09 69 66 20 28 |)==0) {.|X...if (|
|000032e0| 73 65 74 67 69 64 28 67 | 65 74 67 69 64 28 29 29 |setgid(g|etgid())|
|000032f0| 3c 30 20 7c 7c 20 73 65 | 74 75 69 64 28 67 65 74 |<0 || se|tuid(get|
|00003300| 75 69 64 28 29 29 3c 30 | 29 0a 58 09 09 09 09 65 |uid())<0|).X....e|
|00003310| 78 69 74 28 31 29 3b 0a | 58 09 09 09 65 6c 73 65 |xit(1);.|X...else|
|00003320| 0a 58 09 09 09 09 65 78 | 69 74 28 63 72 65 61 74 |.X....ex|it(creat|
|00003330| 28 66 69 6c 65 6e 61 6d | 65 2c 30 36 34 34 29 3c |(filenam|e,0644)<|
|00003340| 30 29 3b 0a 58 09 09 7d | 0a 58 09 09 77 61 69 74 |0);.X..}|.X..wait|
|00003350| 28 26 6b 69 64 73 74 61 | 74 75 73 29 3b 0a 58 09 |(&kidsta|tus);.X.|
|00003360| 09 69 66 20 28 20 6b 69 | 64 70 69 64 20 3c 20 30 |.if ( ki|dpid < 0|
|00003370| 0a 58 09 09 7c 7c 20 20 | 20 4c 4f 42 59 54 45 28 |.X..||  | LOBYTE(|
|00003380| 6b 69 64 73 74 61 74 75 | 73 29 20 21 3d 20 30 0a |kidstatu|s) != 0.|
|00003390| 58 09 09 7c 7c 20 20 20 | 48 49 42 59 54 45 28 6b |X..||   |HIBYTE(k|
|000033a0| 69 64 73 74 61 74 75 73 | 29 20 21 3d 20 30 20 29 |idstatus|) != 0 )|
|000033b0| 0a 58 09 09 09 41 62 6f | 72 74 28 22 69 6e 74 65 |.X...Abo|rt("inte|
|000033c0| 72 6e 61 6c 20 65 72 72 | 6f 72 20 28 66 69 6c 65 |rnal err|or (file|
|000033d0| 6e 61 6d 65 20 63 72 65 | 61 74 65 29 5c 6e 22 2c |name cre|ate)\n",|
|000033e0| 22 22 29 3b 0a 58 09 7d | 0a 58 0a 58 09 2f 2a 20 |"");.X.}|.X.X./* |
|000033f0| 6c 69 6e 6b 20 74 68 65 | 20 66 69 6c 65 2d 74 6f |link the| file-to|
|00003400| 2d 65 64 69 74 20 74 6f | 20 61 20 6d 61 64 65 2d |-edit to| a made-|
|00003410| 75 70 20 6e 61 6d 65 20 | 69 6e 20 74 68 65 20 74 |up name |in the t|
|00003420| 65 6d 70 20 64 69 72 65 | 63 74 6f 72 79 20 2a 2f |emp dire|ctory */|
|00003430| 0a 58 09 73 70 72 69 6e | 74 66 28 74 65 6d 70 6e |.X.sprin|tf(tempn|
|00003440| 61 6d 65 2c 22 25 73 2f | 62 74 78 74 25 64 22 2c |ame,"%s/|btxt%d",|
|00003450| 62 6f 7a 6f 64 69 72 2c | 67 65 74 70 69 64 28 29 |bozodir,|getpid()|
|00003460| 29 3b 0a 58 09 69 66 20 | 28 6c 69 6e 6b 28 66 69 |);.X.if |(link(fi|
|00003470| 6c 65 6e 61 6d 65 2c 74 | 65 6d 70 6e 61 6d 65 29 |lename,t|empname)|
|00003480| 3c 30 29 20 7b 0a 58 09 | 09 66 70 72 69 6e 74 66 |<0) {.X.|.fprintf|
|00003490| 28 73 74 64 65 72 72 2c | 22 25 73 3a 20 22 2c 61 |(stderr,|"%s: ",a|
|000034a0| 72 67 76 5b 30 5d 29 3b | 0a 58 09 09 70 65 72 72 |rgv[0]);|.X..perr|
|000034b0| 6f 72 28 22 73 79 73 74 | 65 6d 20 65 72 72 6f 72 |or("syst|em error|
|000034c0| 22 29 3b 0a 58 09 09 41 | 62 6f 72 74 28 22 69 6e |");.X..A|bort("in|
|000034d0| 74 65 72 6e 61 6c 20 65 | 72 72 6f 72 20 28 6c 69 |ternal e|rror (li|
|000034e0| 6e 6b 20 66 61 69 6c 75 | 72 65 29 5c 6e 22 2c 22 |nk failu|re)\n","|
|000034f0| 22 29 3b 0a 58 09 7d 0a | 58 0a 58 09 2f 2a 20 66 |");.X.}.|X.X./* f|
|00003500| 6f 72 6b 20 61 20 6b 69 | 64 20 74 6f 20 64 6f 20 |ork a ki|d to do |
|00003510| 74 68 65 20 65 64 69 74 | 20 2a 2f 0a 58 09 69 66 |the edit| */.X.if|
|00003520| 20 28 28 6b 69 64 70 69 | 64 3d 66 6f 72 6b 28 29 | ((kidpi|d=fork()|
|00003530| 29 3d 3d 30 29 20 7b 09 | 09 2f 2a 20 74 68 69 73 |)==0) {.|./* this|
|00003540| 20 69 73 20 74 68 65 20 | 6b 69 64 20 2a 2f 0a 58 | is the |kid */.X|
|00003550| 09 09 69 66 20 28 63 68 | 64 69 72 28 62 6f 7a 6f |..if (ch|dir(bozo|
|00003560| 64 69 72 29 3c 30 29 0a | 58 09 09 09 41 62 6f 72 |dir)<0).|X...Abor|
|00003570| 74 28 22 69 6e 74 65 72 | 6e 61 6c 20 65 72 72 6f |t("inter|nal erro|
|00003580| 72 20 28 63 68 64 69 72 | 20 66 61 69 6c 75 72 65 |r (chdir| failure|
|00003590| 29 5c 6e 22 2c 22 22 29 | 3b 0a 58 09 09 69 66 20 |)\n","")|;.X..if |
|000035a0| 28 63 68 72 6f 6f 74 28 | 22 2e 22 29 3c 30 29 0a |(chroot(|".")<0).|
|000035b0| 58 09 09 09 41 62 6f 72 | 74 28 22 69 6e 74 65 72 |X...Abor|t("inter|
|000035c0| 6e 61 6c 20 65 72 72 6f | 72 20 28 63 68 72 6f 6f |nal erro|r (chroo|
|000035d0| 74 20 66 61 69 6c 75 72 | 65 29 5c 6e 22 2c 22 22 |t failur|e)\n",""|
|000035e0| 29 3b 0a 58 09 09 69 66 | 20 28 73 65 74 67 69 64 |);.X..if| (setgid|
|000035f0| 28 67 65 74 67 69 64 28 | 29 29 3c 30 20 7c 7c 20 |(getgid(|))<0 || |
|00003600| 73 65 74 75 69 64 28 67 | 65 74 75 69 64 28 29 29 |setuid(g|etuid())|
|00003610| 3c 30 29 0a 58 09 09 09 | 41 62 6f 72 74 28 22 69 |<0).X...|Abort("i|
|00003620| 6e 74 65 72 6e 61 6c 20 | 65 72 72 6f 72 20 28 73 |nternal |error (s|
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|00003640| 2c 22 22 29 3b 0a 58 09 | 09 65 78 65 63 6c 28 22 |,"");.X.|.execl("|
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|00003930| 09 70 72 69 6e 74 66 28 | 22 44 6f 20 79 6f 75 20 |.printf(|"Do you |
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|00003950| 74 3f 20 22 29 3b 0a 58 | 09 09 63 20 3d 20 67 65 |t? ");.X|..c = ge|
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|000039a0| 09 09 65 78 69 74 28 30 | 29 3b 0a 58 09 09 65 6c |..exit(0|);.X..el|
|000039b0| 73 65 20 7b 0a 58 09 09 | 09 70 72 69 6e 74 66 28 |se {.X..|.printf(|
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|000039d0| 29 3b 0a 58 09 09 09 66 | 67 65 74 73 28 74 65 6d |);.X...f|gets(tem|
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|00003a70| 09 09 7d 0a 58 09 7d 0a | 58 09 65 78 69 74 28 30 |..}.X.}.|X.exit(0|
|00003a80| 29 3b 0a 58 7d 0a 53 48 | 41 52 5f 45 4f 46 0a 63 |);.X}.SH|AR_EOF.c|
|00003a90| 68 6d 6f 64 20 2b 78 20 | 27 72 76 69 2e 63 27 0a |hmod +x |'rvi.c'.|
|00003aa0| 66 69 20 23 20 65 6e 64 | 20 6f 66 20 6f 76 65 72 |fi # end| of over|
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|00003ad0| 63 27 0a 74 68 65 6e 0a | 09 65 63 68 6f 20 73 68 |c'.then.|.echo sh|
|00003ae0| 61 72 3a 20 77 69 6c 6c | 20 6e 6f 74 20 6f 76 65 |ar: will| not ove|
|00003af0| 72 2d 77 72 69 74 65 20 | 65 78 69 73 74 69 6e 67 |r-write |existing|
|00003b00| 20 66 69 6c 65 20 22 27 | 72 76 69 73 68 2e 63 27 | file "'|rvish.c'|
|00003b10| 22 0a 65 6c 73 65 0a 73 | 65 64 20 27 73 2f 5e 58 |".else.s|ed 's/^X|
|00003b20| 2f 2f 27 20 3c 3c 20 5c | 53 48 41 52 5f 45 4f 46 |//' << \|SHAR_EOF|
|00003b30| 20 3e 20 27 72 76 69 73 | 68 2e 63 27 0a 58 2f 2a | > 'rvis|h.c'.X/*|
|00003b40| 20 46 69 6c 65 3a 20 72 | 76 69 73 68 2e 63 0a 58 | File: r|vish.c.X|
|00003b50| 20 2a 20 09 0a 58 20 2a | 20 09 73 79 6e 74 61 78 | * ..X *| .syntax|
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|00003b70| 0a 58 20 2a 0a 58 20 2a | 20 44 65 73 63 72 69 70 |.X *.X *| Descrip|
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|00003b90| 72 6f 67 72 61 6d 20 69 | 73 20 69 6e 74 65 6e 64 |rogram i|s intend|
|00003ba0| 65 64 20 73 6f 6c 65 6c | 79 20 66 6f 72 20 75 73 |ed solel|y for us|
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|00003c30| 20 61 72 67 75 6d 65 6e | 74 73 20 66 6f 72 20 27 | argumen|ts for '|
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|00003c60| 58 20 2a 0a 58 20 2a 20 | 49 74 20 73 68 6f 75 6c |X *.X * |It shoul|
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|00003d00| 3b 0a 58 7d 0a 53 48 41 | 52 5f 45 4f 46 0a 63 68 |;.X}.SHA|R_EOF.ch|
|00003d10| 6d 6f 64 20 2b 78 20 27 | 72 76 69 73 68 2e 63 27 |mod +x '|rvish.c'|
|00003d20| 0a 66 69 20 23 20 65 6e | 64 20 6f 66 20 6f 76 65 |.fi # en|d of ove|
|00003d30| 72 77 72 69 74 69 6e 67 | 20 63 68 65 63 6b 0a 69 |rwriting| check.i|
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|00003d50| 6e 73 74 61 6c 6c 27 0a | 74 68 65 6e 0a 09 65 63 |nstall'.|then..ec|
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|00003da0| 73 65 64 20 27 73 2f 5e | 58 2f 2f 27 20 3c 3c 20 |sed 's/^|X//' << |
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|00003dd0| 72 76 69 5f 69 6e 73 74 | 61 6c 6c 3a 20 69 6e 73 |rvi_inst|all: ins|
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|00004220| 27 72 76 69 27 0a 58 23 | 20 73 68 6f 75 6c 64 20 |'rvi'.X#| should |
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|000042e0| 72 76 69 2d 64 69 72 65 | 63 74 6f 72 79 22 20 69 |rvi-dire|ctory" i|
|000042f0| 66 20 79 6f 75 20 77 61 | 6e 74 0a 58 23 20 75 73 |f you wa|nt.X# us|
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|00004360| 69 2d 70 61 72 65 6e 74 | 2d 64 69 72 65 63 74 6f |i-parent|-directo|
|00004370| 72 79 3e 22 20 31 3e 26 | 32 0a 58 09 65 78 69 74 |ry>" 1>&|2.X.exit|
|00004380| 20 31 0a 58 66 69 0a 58 | 52 56 49 50 52 54 3d 24 | 1.Xfi.X|RVIPRT=$|
|00004390| 31 0a 58 72 76 69 64 69 | 72 3d 22 24 52 56 49 50 |1.Xrvidi|r="$RVIP|
|000043a0| 52 54 2f 72 76 69 74 6d | 70 22 0a 58 0a 58 69 66 |RT/rvitm|p".X.Xif|
|000043b0| 20 5b 20 21 20 2d 66 20 | 22 72 76 69 2e 63 22 20 | [ ! -f |"rvi.c" |
|000043c0| 5d 3b 20 74 68 65 6e 0a | 58 09 65 63 68 6f 20 22 |]; then.|X.echo "|
|000043d0| 24 30 3a 20 63 61 6e 27 | 74 20 66 69 6e 64 20 66 |$0: can'|t find f|
|000043e0| 69 6c 65 20 27 72 76 69 | 2e 63 27 22 20 31 3e 26 |ile 'rvi|.c'" 1>&|
|000043f0| 32 0a 58 09 65 63 68 6f | 20 22 24 30 3a 20 61 62 |2.X.echo| "$0: ab|
|00004400| 6f 72 74 69 6e 67 2e 2e | 2e 22 20 31 3e 26 32 0a |orting..|." 1>&2.|
|00004410| 58 09 65 78 69 74 20 31 | 0a 58 65 6c 73 65 0a 58 |X.exit 1|.Xelse.X|
|00004420| 09 65 63 68 6f 20 22 24 | 30 3a 20 63 6f 6d 70 69 |.echo "$|0: compi|
|00004430| 6c 69 6e 67 20 27 72 76 | 69 2e 63 27 2e 2e 2e 2e |ling 'rv|i.c'....|
|00004440| 2e 22 0a 58 09 69 66 20 | 63 63 20 2d 6f 20 72 76 |.".X.if |cc -o rv|
|00004450| 69 20 72 76 69 2e 63 3b | 20 74 68 65 6e 0a 58 09 |i rvi.c;| then.X.|
|00004460| 09 63 68 6f 77 6e 20 72 | 6f 6f 74 20 72 76 69 3b |.chown r|oot rvi;|
|00004470| 20 63 68 6d 6f 64 20 75 | 2b 73 20 72 76 69 3b 20 | chmod u|+s rvi; |
|00004480| 63 68 6d 6f 64 20 61 2b | 78 20 72 76 69 3b 0a 58 |chmod a+|x rvi;.X|
|00004490| 09 09 69 66 20 5b 20 24 | 3f 20 2d 6e 65 20 30 20 |..if [ $|? -ne 0 |
|000044a0| 5d 3b 20 74 68 65 6e 0a | 58 09 09 09 65 63 68 6f |]; then.|X...echo|
|000044b0| 20 22 24 30 3a 20 63 61 | 6e 27 74 20 72 65 73 65 | "$0: ca|n't rese|
|000044c0| 63 75 72 65 20 27 72 76 | 69 27 3b 20 61 62 6f 72 |cure 'rv|i'; abor|
|000044d0| 74 69 6e 67 2e 2e 2e 22 | 20 31 3e 26 32 0a 58 09 |ting..."| 1>&2.X.|
|000044e0| 09 09 65 78 69 74 20 31 | 0a 58 09 09 66 69 0a 58 |..exit 1|.X..fi.X|
|000044f0| 09 65 6c 73 65 0a 58 09 | 09 65 63 68 6f 20 22 24 |.else.X.|.echo "$|
|00004500| 30 3a 20 67 6f 74 20 61 | 20 70 72 6f 62 6c 65 6d |0: got a| problem|
|00004510| 20 63 6f 6d 70 69 6c 69 | 6e 67 20 27 72 76 69 2e | compili|ng 'rvi.|
|00004520| 63 27 22 20 31 3e 26 32 | 0a 58 09 09 65 78 69 74 |c'" 1>&2|.X..exit|
|00004530| 20 31 0a 58 09 66 69 0a | 58 66 69 0a 58 69 66 20 | 1.X.fi.|Xfi.Xif |
|00004540| 5b 20 2d 66 20 22 72 76 | 69 73 68 2e 63 22 20 5d |[ -f "rv|ish.c" ]|
|00004550| 3b 20 74 68 65 6e 0a 58 | 09 65 63 68 6f 20 22 24 |; then.X|.echo "$|
|00004560| 30 3a 20 63 6f 6d 70 69 | 6c 69 6e 67 20 27 72 76 |0: compi|ling 'rv|
|00004570| 69 73 68 2e 63 27 3b 20 | 74 68 69 73 20 77 69 6c |ish.c'; |this wil|
|00004580| 6c 20 65 76 65 6e 74 75 | 61 6c 6c 79 20 62 65 63 |l eventu|ally bec|
|00004590| 6f 6d 65 22 0a 58 09 65 | 63 68 6f 20 22 20 20 20 |ome".X.e|cho "   |
|000045a0| 20 20 20 20 74 68 65 20 | 70 72 6f 67 72 61 6d 20 |    the |program |
|000045b0| 27 73 68 27 20 69 6e 20 | 74 68 65 20 27 72 76 69 |'sh' in |the 'rvi|
|000045c0| 2d 64 69 72 65 63 74 6f | 72 79 27 2e 2e 2e 2e 2e |-directo|ry'.....|
|000045d0| 22 0a 58 09 63 63 20 2d | 6f 20 72 76 69 73 68 20 |".X.cc -|o rvish |
|000045e0| 72 76 69 73 68 2e 63 0a | 58 09 63 68 6f 77 6e 20 |rvish.c.|X.chown |
|000045f0| 62 69 6e 20 72 76 69 73 | 68 3b 20 63 68 6d 6f 64 |bin rvis|h; chmod|
|00004600| 20 30 37 35 35 20 72 76 | 69 73 68 3b 0a 58 66 69 | 0755 rv|ish;.Xfi|
|00004610| 0a 58 65 63 68 6f 20 22 | 4e 6f 77 20 63 72 65 61 |.Xecho "|Now crea|
|00004620| 74 69 6e 67 20 77 6f 72 | 6b 69 6e 67 20 64 69 72 |ting wor|king dir|
|00004630| 65 63 74 6f 72 69 65 73 | 2c 20 6c 69 6e 6b 69 6e |ectories|, linkin|
|00004640| 67 20 66 69 6c 65 73 2c | 20 61 6e 64 20 73 6f 20 |g files,| and so |
|00004650| 66 6f 72 74 68 3a 22 0a | 58 65 63 68 6f 20 22 20 |forth:".|Xecho " |
|00004660| 20 20 20 20 24 72 76 69 | 64 69 72 2e 2e 2e 2e 2e |    $rvi|dir.....|
|00004670| 22 0a 58 6d 6b 64 69 72 | 20 24 72 76 69 64 69 72 |".Xmkdir| $rvidir|
|00004680| 3b 20 63 68 6f 77 6e 20 | 62 69 6e 20 24 72 76 69 |; chown |bin $rvi|
|00004690| 64 69 72 3b 20 63 68 6d | 6f 64 20 30 37 35 35 20 |dir; chm|od 0755 |
|000046a0| 24 72 76 69 64 69 72 0a | 58 65 63 68 6f 20 22 20 |$rvidir.|Xecho " |
|000046b0| 20 20 20 20 24 72 76 69 | 64 69 72 2f 74 6d 70 2e |    $rvi|dir/tmp.|
|000046c0| 2e 2e 2e 2e 22 0a 58 6d | 6b 64 69 72 20 24 72 76 |....".Xm|kdir $rv|
|000046d0| 69 64 69 72 2f 74 6d 70 | 3b 20 63 68 6f 77 6e 20 |idir/tmp|; chown |
|000046e0| 62 69 6e 20 24 72 76 69 | 64 69 72 2f 74 6d 70 3b |bin $rvi|dir/tmp;|
|000046f0| 20 63 68 6d 6f 64 20 30 | 37 37 37 20 24 72 76 69 | chmod 0|777 $rvi|
|00004700| 64 69 72 2f 74 6d 70 0a | 58 65 63 68 6f 20 22 20 |dir/tmp.|Xecho " |
|00004710| 20 20 20 20 24 72 76 69 | 64 69 72 2f 65 74 63 2e |    $rvi|dir/etc.|
|00004720| 2e 2e 2e 2e 22 0a 58 6d | 6b 64 69 72 20 24 72 76 |....".Xm|kdir $rv|
|00004730| 69 64 69 72 2f 65 74 63 | 3b 20 63 68 6f 77 6e 20 |idir/etc|; chown |
|00004740| 62 69 6e 20 24 72 76 69 | 64 69 72 2f 65 74 63 3b |bin $rvi|dir/etc;|
|00004750| 20 63 68 6d 6f 64 20 30 | 37 35 35 20 24 72 76 69 | chmod 0|755 $rvi|
|00004760| 64 69 72 2f 65 74 63 0a | 58 65 63 68 6f 20 22 20 |dir/etc.|Xecho " |
|00004770| 20 20 20 20 24 72 76 69 | 64 69 72 2f 62 69 6e 2e |    $rvi|dir/bin.|
|00004780| 2e 2e 2e 2e 22 0a 58 6d | 6b 64 69 72 20 24 72 76 |....".Xm|kdir $rv|
|00004790| 69 64 69 72 2f 62 69 6e | 3b 20 63 68 6f 77 6e 20 |idir/bin|; chown |
|000047a0| 62 69 6e 20 24 72 76 69 | 64 69 72 2f 62 69 6e 3b |bin $rvi|dir/bin;|
|000047b0| 20 63 68 6d 6f 64 20 30 | 37 35 35 20 24 72 76 69 | chmod 0|755 $rvi|
|000047c0| 64 69 72 2f 62 69 6e 0a | 58 65 63 68 6f 20 22 20 |dir/bin.|Xecho " |
|000047d0| 20 20 20 20 24 72 76 69 | 64 69 72 2f 75 73 72 2e |    $rvi|dir/usr.|
|000047e0| 2e 2e 2e 2e 22 0a 58 6d | 6b 64 69 72 20 24 72 76 |....".Xm|kdir $rv|
|000047f0| 69 64 69 72 2f 75 73 72 | 3b 20 63 68 6f 77 6e 20 |idir/usr|; chown |
|00004800| 62 69 6e 20 24 72 76 69 | 64 69 72 2f 75 73 72 3b |bin $rvi|dir/usr;|
|00004810| 20 63 68 6d 6f 64 20 30 | 37 35 35 20 24 72 76 69 | chmod 0|755 $rvi|
|00004820| 64 69 72 2f 75 73 72 0a | 58 65 63 68 6f 20 22 20 |dir/usr.|Xecho " |
|00004830| 20 20 20 20 24 72 76 69 | 64 69 72 2f 75 73 72 2f |    $rvi|dir/usr/|
|00004840| 6c 69 62 2e 2e 2e 2e 2e | 22 0a 58 6d 6b 64 69 72 |lib.....|".Xmkdir|
|00004850| 20 24 72 76 69 64 69 72 | 2f 75 73 72 2f 6c 69 62 | $rvidir|/usr/lib|
|00004860| 3b 20 63 68 6f 77 6e 20 | 62 69 6e 20 24 72 76 69 |; chown |bin $rvi|
|00004870| 64 69 72 2f 75 73 72 2f | 6c 69 62 3b 20 63 68 6d |dir/usr/|lib; chm|
|00004880| 6f 64 20 30 37 35 35 20 | 24 72 76 69 64 69 72 2f |od 0755 |$rvidir/|
|00004890| 75 73 72 2f 6c 69 62 0a | 58 69 66 20 5b 20 24 3f |usr/lib.|Xif [ $?|
|000048a0| 20 2d 6e 65 20 30 20 5d | 3b 20 74 68 65 6e 20 65 | -ne 0 ]|; then e|
|000048b0| 63 68 6f 20 22 24 30 3a | 20 61 62 6f 72 74 69 6e |cho "$0:| abortin|
|000048c0| 67 22 3b 20 65 78 69 74 | 20 31 3b 20 66 69 0a 58 |g"; exit| 1; fi.X|
|000048d0| 65 63 68 6f 20 22 24 30 | 3a 20 6c 69 6e 6b 69 6e |echo "$0|: linkin|
|000048e0| 67 20 73 74 75 66 66 3a | 22 0a 58 65 63 68 6f 20 |g stuff:|".Xecho |
|000048f0| 22 20 20 20 20 20 2f 65 | 74 63 2f 74 65 72 6d 63 |"     /e|tc/termc|
|00004900| 61 70 2e 2e 2e 2e 2e 22 | 0a 58 6c 6e 20 2f 65 74 |ap....."|.Xln /et|
|00004910| 63 2f 74 65 72 6d 63 61 | 70 20 24 72 76 69 64 69 |c/termca|p $rvidi|
|00004920| 72 2f 65 74 63 2f 74 65 | 72 6d 63 61 70 3b 20 69 |r/etc/te|rmcap; i|
|00004930| 66 20 5b 20 24 3f 20 2d | 6e 65 20 30 20 5d 0a 58 |f [ $? -|ne 0 ].X|
|00004940| 09 74 68 65 6e 0a 58 09 | 09 65 63 68 6f 20 22 24 |.then.X.|.echo "$|
|00004950| 30 3a 20 63 61 6e 27 74 | 20 27 6c 6e 27 2c 20 64 |0: can't| 'ln', d|
|00004960| 6f 69 6e 67 20 27 63 70 | 27 20 69 6e 73 74 65 61 |oing 'cp|' instea|
|00004970| 64 2e 2e 2e 22 0a 58 09 | 09 63 70 20 2f 65 74 63 |d...".X.|.cp /etc|
|00004980| 2f 74 65 72 6d 63 61 70 | 20 24 72 76 69 64 69 72 |/termcap| $rvidir|
|00004990| 2f 65 74 63 2f 74 65 72 | 6d 63 61 70 3b 0a 58 09 |/etc/ter|mcap;.X.|
|000049a0| 66 69 0a 58 65 63 68 6f | 20 22 20 20 20 20 20 2f |fi.Xecho| "     /|
|000049b0| 75 73 72 2f 6c 69 62 2f | 65 78 33 2e 37 73 74 72 |usr/lib/|ex3.7str|
|000049c0| 69 6e 67 73 2e 2e 2e 2e | 2e 22 0a 58 6c 6e 20 2f |ings....|.".Xln /|
|000049d0| 75 73 72 2f 6c 69 62 2f | 65 78 33 2e 37 73 74 72 |usr/lib/|ex3.7str|
|000049e0| 69 6e 67 73 20 24 72 76 | 69 64 69 72 2f 75 73 72 |ings $rv|idir/usr|
|000049f0| 2f 6c 69 62 2f 65 78 33 | 2e 37 73 74 72 69 6e 67 |/lib/ex3|.7string|
|00004a00| 73 3b 20 69 66 20 5b 20 | 24 3f 20 2d 6e 65 20 30 |s; if [ |$? -ne 0|
|00004a10| 20 5d 0a 58 09 74 68 65 | 6e 0a 58 09 09 65 63 68 | ].X.the|n.X..ech|
|00004a20| 6f 20 22 24 30 3a 20 63 | 61 6e 27 74 20 27 6c 6e |o "$0: c|an't 'ln|
|00004a30| 27 2c 20 64 6f 69 6e 67 | 20 27 63 70 27 20 69 6e |', doing| 'cp' in|
|00004a40| 73 74 65 61 64 2e 2e 2e | 22 0a 58 09 09 63 70 20 |stead...|".X..cp |
|00004a50| 2f 75 73 72 2f 6c 69 62 | 2f 65 78 33 2e 37 73 74 |/usr/lib|/ex3.7st|
|00004a60| 72 69 6e 67 73 20 24 72 | 76 69 64 69 72 2f 75 73 |rings $r|vidir/us|
|00004a70| 72 2f 6c 69 62 2f 65 78 | 33 2e 37 73 74 72 69 6e |r/lib/ex|3.7strin|
|00004a80| 67 73 0a 58 09 66 69 0a | 58 65 63 68 6f 20 22 20 |gs.X.fi.|Xecho " |
|00004a90| 20 20 20 20 2f 62 69 6e | 2f 76 69 2e 2e 2e 2e 2e |    /bin|/vi.....|
|00004aa0| 22 0a 58 6c 6e 20 2f 62 | 69 6e 2f 76 69 20 24 72 |".Xln /b|in/vi $r|
|00004ab0| 76 69 64 69 72 2f 76 69 | 3b 20 69 66 20 5b 20 24 |vidir/vi|; if [ $|
|00004ac0| 3f 20 2d 6e 65 20 30 20 | 5d 0a 58 09 74 68 65 6e |? -ne 0 |].X.then|
|00004ad0| 0a 58 09 09 65 63 68 6f | 20 22 24 30 3a 20 63 61 |.X..echo| "$0: ca|
|00004ae0| 6e 27 74 20 27 6c 6e 27 | 2c 20 64 6f 69 6e 67 20 |n't 'ln'|, doing |
|00004af0| 27 63 70 27 20 69 6e 73 | 74 65 61 64 2e 2e 2e 22 |'cp' ins|tead..."|
|00004b00| 0a 58 09 09 63 70 20 2f | 62 69 6e 2f 76 69 20 24 |.X..cp /|bin/vi $|
|00004b10| 72 76 69 64 69 72 2f 76 | 69 0a 58 09 66 69 0a 58 |rvidir/v|i.X.fi.X|
|00004b20| 65 63 68 6f 20 22 20 20 | 20 20 20 2f 62 69 6e 2f |echo "  |   /bin/|
|00004b30| 73 68 20 28 64 6f 6e 27 | 74 20 77 6f 72 72 79 2c |sh (don'|t worry,|
|00004b40| 20 69 74 27 73 20 74 68 | 65 20 72 65 73 74 72 69 | it's th|e restri|
|00004b50| 63 74 65 64 20 6f 6e 65 | 29 22 0a 58 6c 6e 20 2f |cted one|)".Xln /|
|00004b60| 62 69 6e 2f 73 68 20 24 | 72 76 69 64 69 72 2f 72 |bin/sh $|rvidir/r|
|00004b70| 73 68 3b 20 69 66 20 5b | 20 24 3f 20 2d 6e 65 20 |sh; if [| $? -ne |
|00004b80| 30 20 5d 0a 58 09 74 68 | 65 6e 0a 58 09 09 65 63 |0 ].X.th|en.X..ec|
|00004b90| 68 6f 20 22 24 30 3a 20 | 63 61 6e 27 74 20 27 6c |ho "$0: |can't 'l|
|00004ba0| 6e 27 2c 20 64 6f 69 6e | 67 20 27 63 70 27 20 69 |n', doin|g 'cp' i|
|00004bb0| 6e 73 74 65 61 64 2e 2e | 2e 22 0a 58 09 09 63 70 |nstead..|.".X..cp|
|00004bc0| 20 2f 62 69 6e 2f 73 68 | 20 24 72 76 69 64 69 72 | /bin/sh| $rvidir|
|00004bd0| 2f 72 73 68 0a 58 09 66 | 69 0a 58 6c 6e 20 24 72 |/rsh.X.f|i.Xln $r|
|00004be0| 76 69 64 69 72 2f 72 73 | 68 20 24 72 76 69 64 69 |vidir/rs|h $rvidi|
|00004bf0| 72 2f 62 69 6e 2f 72 73 | 68 0a 58 6c 6e 20 2e 2f |r/bin/rs|h.Xln ./|
|00004c00| 72 76 69 73 68 20 24 72 | 76 69 64 69 72 2f 73 68 |rvish $r|vidir/sh|
|00004c10| 3b 20 69 66 20 5b 20 24 | 3f 20 2d 6e 65 20 30 20 |; if [ $|? -ne 0 |
|00004c20| 5d 0a 58 09 74 68 65 6e | 0a 58 09 09 65 63 68 6f |].X.then|.X..echo|
|00004c30| 20 22 24 30 3a 20 63 61 | 6e 27 74 20 27 6c 6e 27 | "$0: ca|n't 'ln'|
|00004c40| 2c 20 64 6f 69 6e 67 20 | 27 63 70 27 20 69 6e 73 |, doing |'cp' ins|
|00004c50| 74 65 61 64 2e 2e 2e 22 | 0a 58 09 63 70 20 2e 2f |tead..."|.X.cp ./|
|00004c60| 72 76 69 73 68 20 24 72 | 76 69 64 69 72 2f 73 68 |rvish $r|vidir/sh|
|00004c70| 0a 58 09 66 69 0a 58 6c | 6e 20 24 72 76 69 64 69 |.X.fi.Xl|n $rvidi|
|00004c80| 72 2f 73 68 20 24 72 76 | 69 64 69 72 2f 62 69 6e |r/sh $rv|idir/bin|
|00004c90| 2f 73 68 0a 58 65 63 68 | 6f 20 22 24 30 3a 20 77 |/sh.Xech|o "$0: w|
|00004ca0| 72 69 74 69 6e 67 20 2f | 65 74 63 2f 64 65 66 61 |riting /|etc/defa|
|00004cb0| 75 6c 74 2f 72 76 69 2e | 2e 2e 2e 2e 22 0a 58 63 |ult/rvi.|....".Xc|
|00004cc0| 64 20 24 72 76 69 64 69 | 72 3b 20 65 63 68 6f 20 |d $rvidi|r; echo |
|00004cd0| 60 70 77 64 60 20 3e 2f | 65 74 63 2f 64 65 66 61 |`pwd` >/|etc/defa|
|00004ce0| 75 6c 74 2f 72 76 69 3b | 20 63 68 6d 6f 64 20 30 |ult/rvi;| chmod 0|
|00004cf0| 36 34 34 20 2f 65 74 63 | 2f 64 65 66 61 75 6c 74 |644 /etc|/default|
|00004d00| 2f 72 76 69 0a 58 65 63 | 68 6f 20 22 24 30 3a 20 |/rvi.Xec|ho "$0: |
|00004d10| 64 6f 6e 65 22 0a 53 48 | 41 52 5f 45 4f 46 0a 63 |done".SH|AR_EOF.c|
|00004d20| 68 6d 6f 64 20 2b 78 20 | 27 72 76 69 5f 69 6e 73 |hmod +x |'rvi_ins|
|00004d30| 74 61 6c 6c 27 0a 66 69 | 20 23 20 65 6e 64 20 6f |tall'.fi| # end o|
|00004d40| 66 20 6f 76 65 72 77 72 | 69 74 69 6e 67 20 63 68 |f overwr|iting ch|
|00004d50| 65 63 6b 0a 23 09 45 6e | 64 20 6f 66 20 73 68 65 |eck.#.En|d of she|
|00004d60| 6c 6c 20 61 72 63 68 69 | 76 65 0a 65 78 69 74 20 |ll archi|ve.exit |
|00004d70| 30 0a 2d 2d 20 0a 4a 65 | 61 6e 2d 50 69 65 72 72 |0.-- .Je|an-Pierr|
|00004d80| 65 20 52 61 64 6c 65 79 | 20 20 20 55 6e 69 78 20 |e Radley|   Unix |
|00004d90| 69 6e 20 4e 59 43 20 20 | 20 6a 70 72 40 6a 70 72 |in NYC  | jpr@jpr|
|00004da0| 2e 63 6f 6d 20 20 20 6a | 70 72 61 64 6c 65 79 21 |.com   j|pradley!|
|00004db0| 6a 70 72 20 20 20 43 49 | 53 3a 20 37 32 31 36 30 |jpr   CI|S: 72160|
|00004dc0| 2e 31 33 34 31 0a       |                         |.1341.  |        |
+--------+-------------------------+-------------------------+--------+--------+