LCOV - code coverage report
Current view: top level - source3/smbd - mangle_hash.c (source / functions) Hit Total Coverage
Test: coverage report for master 6248eab5 Lines: 0 295 0.0 %
Date: 2021-08-25 13:27:56 Functions: 0 18 0.0 %

          Line data    Source code
       1             : /*
       2             :    Unix SMB/CIFS implementation.
       3             :    Name mangling
       4             :    Copyright (C) Andrew Tridgell 1992-2002
       5             :    Copyright (C) Simo Sorce 2001
       6             :    Copyright (C) Andrew Bartlett 2002
       7             :    Copyright (C) Jeremy Allison 2007
       8             : 
       9             :    This program is free software; you can redistribute it and/or modify
      10             :    it under the terms of the GNU General Public License as published by
      11             :    the Free Software Foundation; either version 3 of the License, or
      12             :    (at your option) any later version.
      13             : 
      14             :    This program is distributed in the hope that it will be useful,
      15             :    but WITHOUT ANY WARRANTY; without even the implied warranty of
      16             :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      17             :    GNU General Public License for more details.
      18             : 
      19             :    You should have received a copy of the GNU General Public License
      20             :    along with this program.  If not, see <http://www.gnu.org/licenses/>.
      21             : */
      22             : 
      23             : #include "includes.h"
      24             : #include "system/filesys.h"
      25             : #include "smbd/smbd.h"
      26             : #include "smbd/globals.h"
      27             : #include "mangle.h"
      28             : #include "util_tdb.h"
      29             : #include "lib/param/loadparm.h"
      30             : 
      31             : /* -------------------------------------------------------------------------- **
      32             :  * Other stuff...
      33             :  *
      34             :  * magic_char     - This is the magic char used for mangling.  It's
      35             :  *                  global.  There is a call to lp_mangling_char() in server.c
      36             :  *                  that is used to override the initial value.
      37             :  *
      38             :  * MANGLE_BASE    - This is the number of characters we use for name mangling.
      39             :  *
      40             :  * basechars      - The set characters used for name mangling.  This
      41             :  *                  is static (scope is this file only).
      42             :  *
      43             :  * mangle()       - Macro used to select a character from basechars (i.e.,
      44             :  *                  mangle(n) will return the nth digit, modulo MANGLE_BASE).
      45             :  *
      46             :  * chartest       - array 0..255.  The index range is the set of all possible
      47             :  *                  values of a byte.  For each byte value, the content is a
      48             :  *                  two nibble pair.  See BASECHAR_MASK below.
      49             :  *
      50             :  * ct_initialized - False until the chartest array has been initialized via
      51             :  *                  a call to init_chartest().
      52             :  *
      53             :  * BASECHAR_MASK  - Masks the upper nibble of a one-byte value.
      54             :  *
      55             :  * isbasecahr()   - Given a character, check the chartest array to see
      56             :  *                  if that character is in the basechars set.  This is
      57             :  *                  faster than using strchr_m().
      58             :  *
      59             :  */
      60             : 
      61             : static const char basechars[43]="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_-!@#$%";
      62             : #define MANGLE_BASE       (sizeof(basechars)/sizeof(char)-1)
      63             : 
      64             : #define mangle(V) ((char)(basechars[(V) % MANGLE_BASE]))
      65             : #define BASECHAR_MASK 0xf0
      66             : #define isbasechar(C) ( (chartest[ ((C) & 0xff) ]) & BASECHAR_MASK )
      67             : 
      68             : /* -------------------------------------------------------------------- */
      69             : 
      70             : 
      71             : /*******************************************************************
      72             :  Determine if a character is valid in a 8.3 name.
      73             : ********************************************************************/
      74             : 
      75             : static const uint32_t valid_table[] = {
      76             :         0x00000000,0x2fff7bfa,0xefffffff,0xefffffff,0x00000001,0x0fffffee,
      77             :         0xffffffff,0xffffffff,0x00000000,0x00000000,0x00000000,0x01000000,
      78             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
      79             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
      80             :         0x00000000,0x00000000,0x00000000,0x00000000,0xfffe0000,0xfffe03fb,
      81             :         0x000003ff,0x00000000,0xffff0002,0xffffffff,0x0002ffff,0x00000000,
      82             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
      83             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
      84             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
      85             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
      86             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
      87             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
      88             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
      89             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
      90             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
      91             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
      92             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
      93             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
      94             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
      95             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
      96             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
      97             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
      98             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
      99             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     100             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     101             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     102             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     103             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     104             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     105             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     106             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     107             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     108             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     109             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     110             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     111             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     112             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     113             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     114             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     115             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     116             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     117             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     118             :         0x00000000,0x00000000,0x00000000,0x00000000,0x33210000,0x080d0063,
     119             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     120             :         0x00400008,0x00000802,0x00000000,0x03ff03ff,0x000f0000,0x00000000,
     121             :         0x00140000,0x00000000,0xe402098d,0x20305fa1,0x00040000,0x00000cc3,
     122             :         0x000000cc,0x80000020,0x00000000,0x00000000,0x00040000,0x00000000,
     123             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     124             :         0x00000000,0x00000000,0x00000000,0x000fffff,0x00000000,0x00000000,
     125             :         0x00000000,0x00000000,0x3999900f,0x99999939,0x00000804,0x00000000,
     126             :         0x00000000,0x300c0003,0x0000c8c0,0x00008000,0x00000060,0x00000000,
     127             :         0x00000005,0x0000a400,0x00000000,0x00000000,0x00000000,0x00000000,
     128             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     129             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     130             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     131             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     132             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     133             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     134             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     135             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     136             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     137             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     138             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     139             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     140             :         0xa03fffef,0x00000000,0xfffffffe,0xffffffff,0x781fffff,0xfffffffe,
     141             :         0xffffffff,0x787fffff,0x00000000,0x00000000,0x00000000,0x00000000,
     142             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x02060000,
     143             :         0x00000000,0x00000000,0x00000000,0x000001f0,0x00000000,0x00000000,
     144             :         0x01102008,0x084008cc,0x00822600,0x78000000,0x7000c000,0x00000002,
     145             :         0x00002010,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     146             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     147             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     148             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     149             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     150             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     151             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     152             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     153             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     154             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     155             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     156             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     157             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     158             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     159             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     160             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     161             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     162             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     163             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     164             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     165             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     166             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     167             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     168             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     169             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     170             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     171             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     172             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     173             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     174             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     175             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     176             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     177             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     178             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     179             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     180             :         0x43f36f8b,0x9b462542,0xe3e0e82c,0x400a0004,0xdb365f65,0x04497977,
     181             :         0xe3f0ecd7,0x18c5603a,0x3403e60b,0x37518000,0x7eebe0c8,0x98698200,
     182             :         0x2d56ad48,0x8060e803,0xad93661c,0xc568c03a,0xc656aa60,0x02403f7e,
     183             :         0x146183cd,0x21751020,0x07122021,0x40bc3000,0x4562a624,0x0a3060a8,
     184             :         0x85740217,0x9c840402,0x14157ffb,0x11e27f34,0x22efb665,0x60ff1f75,
     185             :         0x38403a70,0x676336c3,0x20b24dd9,0x0fc946b0,0x4850bc98,0xa03f8638,
     186             :         0x98162388,0x5232be49,0xeba422ab,0xc72c00dd,0x26e1a1e7,0x8f0a841b,
     187             :         0x559e27eb,0x89bfc241,0x85480014,0x084d6361,0xaad07f0c,0x05cfff3e,
     188             :         0xa803ff1a,0x7b407a41,0x80024745,0x38eb0500,0x1005dc51,0x710c9b34,
     189             :         0x01000397,0xa4046366,0x005180d0,0x430ac000,0x30c89071,0x58000008,
     190             :         0xf7000ed9,0x00415f80,0x941000b0,0x62800018,0x09d00240,0x01568200,
     191             :         0x08015004,0x05101d10,0x001084c1,0x10504025,0x4d8a410f,0xa60d4009,
     192             :         0x914cab19,0x098121c0,0x0203c485,0x80000672,0x00080b04,0x0009141d,
     193             :         0x905c49c9,0x16900009,0x22200c65,0x24338412,0x47960c03,0x42250a04,
     194             :         0xd0880028,0x4f0c4900,0xd3aa14a2,0x3e87d830,0x1f618e04,0x41867ea4,
     195             :         0x2dbbc390,0x211857ad,0x2a48241e,0x4e041138,0x161b0a40,0x88400d60,
     196             :         0x9502020a,0x10608221,0x04000243,0x80001444,0x0c040000,0x70000000,
     197             :         0x00c11a06,0x0c00024a,0x00401a00,0x40451404,0xbdf30029,0x052b0a78,
     198             :         0xbfa0bba9,0x8379407c,0xe91d12fd,0xc5695bf6,0x444aeff6,0xff022115,
     199             :         0x402bed63,0x0242d033,0x00131000,0x5dca1b42,0x020000a0,0x2c61a703,
     200             :         0x8ff24880,0x00000284,0x100d5804,0x0048b200,0x20011894,0x37805004,
     201             :         0x684d3200,0x68be49ea,0x2e42184c,0x21c9a820,0x80b050b9,0xff7c001e,
     202             :         0x14e0849a,0x01e028c1,0xac49870e,0xdddb130f,0x89fbbe1a,0x51b2a2e2,
     203             :         0x32ca5522,0x928b3ec6,0x438f1dbf,0x32986703,0x73c03028,0xa9230811,
     204             :         0x3a65c000,0x04028fe3,0xa6252c4e,0x00a1bf3d,0x8cd43e3a,0x317c06c9,
     205             :         0xd52a00e0,0x0edf018b,0x8c22e34b,0xf0911183,0xa7287d94,0x40fbc9ac,
     206             :         0x07534484,0x44445a90,0x00013fc8,0xf5d40048,0xec5f7701,0x891dc442,
     207             :         0x49286b83,0xd2424109,0x59fe061d,0x3a221840,0x3b9fb7e4,0xc0eaf003,
     208             :         0x82021386,0xe4008980,0x10a1b200,0x0cc44b80,0x8944d309,0x48341faf,
     209             :         0x0c458259,0x0470420a,0x10c8a040,0x44503140,0x01004004,0x05408281,
     210             :         0x642c0108,0x1a056a30,0x051460a6,0x645690cf,0x31000021,0xcbf09c18,
     211             :         0x63e2e120,0x01b5104c,0x9a83538c,0x3281b8b2,0x0a84987a,0x0c0233e7,
     212             :         0xd038d6cd,0x9872e1b1,0xe2848a1e,0x0459c3f4,0x23c2439a,0xd3144845,
     213             :         0x36400292,0xffbd0241,0xe8f0eb09,0xa5d27dc0,0xd24bc242,0xd0afa47f,
     214             :         0x34a11aa0,0x0bd88247,0x651bc453,0xc83ad294,0x40c8001e,0x33140e06,
     215             :         0xb21f615f,0xc0d00088,0xa898a02a,0x166ba1c5,0x85b4af50,0x0604c08b,
     216             :         0x1e04f933,0xa251056e,0x76380400,0x73b8ed07,0x19324406,0xc8164081,
     217             :         0x63097c8a,0xaa042984,0xca9c1c24,0x27614e0e,0x830009d0,0xc10c0846,
     218             :         0x10816011,0x0908540d,0xcc0a000e,0x0c000514,0xa0440430,0x6784008b,
     219             :         0x8a195288,0x8b18865e,0x41602e59,0x9cbe8c10,0x895c6861,0x00089800,
     220             :         0x089a8100,0xc1900018,0xf4a14007,0x640d8505,0x0e4d314e,0xff0a4806,
     221             :         0x2ea81632,0x000b852e,0xca841810,0x696c0e20,0x16000032,0x0390d658,
     222             :         0x1a6851a0,0x11249000,0x432698e1,0x1fae5d52,0xae280fa0,0x5700fafb,
     223             :         0x99406408,0xc044c880,0xb1419005,0xa4c48424,0x603a1a34,0xc1949000,
     224             :         0x003a8246,0xc106180d,0x99100022,0x1511e050,0x00824157,0x022a041a,
     225             :         0x8930004f,0x446ad813,0xed228aa2,0x400511c0,0x01021000,0x31018808,
     226             :         0x02044620,0x0f08f800,0xa2008900,0x22020000,0x16108210,0x10400042,
     227             :         0x126052c0,0x200052f4,0x82308510,0x42021100,0x80b5430a,0xda2070e1,
     228             :         0x08012040,0xfc653500,0xab0419c1,0x62140286,0x00440087,0x42469085,
     229             :         0x0a85405c,0x33803207,0xb8c00400,0xc0d0ce30,0x0080c030,0x0da50508,
     230             :         0x00400a90,0x280c0200,0x40446705,0x41226429,0x000002e8,0x847c4664,
     231             :         0xde200002,0x4049861d,0xc0000a08,0x20010084,0x10108400,0x01c742cd,
     232             :         0xd52a703a,0x1d8f9968,0x3e12be50,0x81d9aef5,0x2412cec4,0x732e0828,
     233             :         0x4b3424ac,0xd41d020c,0x80002a02,0x08110097,0x114411c4,0x7d451786,
     234             :         0x5e4949dd,0x87914040,0xd8c4254c,0x491444ba,0xc8001b92,0x15800271,
     235             :         0x0c0000c1,0xc200096a,0x40024800,0xba493021,0x1c802080,0x1008e2ac,
     236             :         0x00341004,0x841400e3,0x20004020,0x14149810,0x04aa70c2,0x54208688,
     237             :         0x04130c62,0x20109180,0x02064082,0x54011c40,0xe4e90383,0x84802125,
     238             :         0x2810e433,0xe60944c0,0x81260a03,0x080112da,0x97906901,0xf8864001,
     239             :         0x0081e24d,0xa6510a0e,0x81ec011a,0x8441c600,0xb62eadb8,0x8741acef,
     240             :         0x4b028d54,0x02681161,0x2057bb60,0x043350a0,0xf7b4a8c0,0x01122402,
     241             :         0x20009ad3,0x00c82271,0x809e2081,0xe1800c8a,0x8151b009,0x40281031,
     242             :         0x89a52a0e,0x620e69b6,0xd1444425,0x4d548085,0x1fb12c75,0x862dd807,
     243             :         0x5841d97c,0x226e414e,0x9e088200,0xedb7f80d,0x75668c80,0x08149313,
     244             :         0xc8040e32,0x6ea6484e,0x66742c4a,0xba0126c0,0x185dd70c,0x00000000,
     245             :         0x00000000,0x00000000,0x00000000,0x05400000,0x813370a0,0x03a54f81,
     246             :         0x641055ec,0x2344c31a,0x00341462,0x1a090a43,0x13a5187b,0xa8480102,
     247             :         0xc5440440,0xe2dd8106,0x2d481af0,0x0416b626,0x6e405058,0x31128032,
     248             :         0x0c0007e4,0x420a8208,0x803b4840,0x87134860,0x3428850d,0xe5290319,
     249             :         0x870a2345,0x5c1825a9,0xd9c577a6,0x03e85e00,0xa7000081,0x41c6cd54,
     250             :         0xa2042800,0x2b0ab860,0xda9e0020,0x0e1a08ea,0x11c0427e,0x03768908,
     251             :         0x01058621,0x98a80004,0xc44846a0,0x20220d05,0x914854a2,0x28d78a01,
     252             :         0x00087898,0x31221605,0x08804340,0x06a2fa4e,0x92110814,0x9b142002,
     253             :         0x16432e52,0x90105000,0x85ba0041,0x20203042,0x07a84f0b,0x40802f08,
     254             :         0x1a930591,0x0601df50,0x3021a202,0x4e800630,0x04c80cc4,0x8001a004,
     255             :         0xd4316000,0x0a020880,0x00281c00,0x00418e18,0xca106ad0,0x4b00f210,
     256             :         0x1506274d,0x88900220,0x82a85a00,0x81504549,0x80002004,0x2c088804,
     257             :         0x000508d1,0x4ac48001,0x0062e0a0,0x0a42008e,0x6a8c3055,0xe0a5090e,
     258             :         0x42c42906,0x80b34814,0xb330803e,0x733c0102,0x700d1494,0x09400c20,
     259             :         0xc040301a,0xc094a451,0x05c88dca,0xa40c96c2,0x34040001,0x011000c8,
     260             :         0xa9cd550d,0x1cda2428,0x48370142,0x120f7a4d,0x452a32b4,0xd20531fb,
     261             :         0xdc44b894,0x45ca68d7,0x2ed15097,0x42081943,0x9d48d202,0xa0979840,
     262             :         0x064d5409,0x00000000,0x00000000,0x00000000,0x00000000,0x84800000,
     263             :         0x04215542,0x17001c06,0x61107624,0xb9ddff87,0x5c0a659f,0x3c11245d,
     264             :         0x005dadb0,0x00000000,0x00000000,0x00db28d0,0x02000422,0x44080108,
     265             :         0xac409804,0x90288d0a,0xe0018700,0x00310400,0x82211794,0x10540019,
     266             :         0x021a2cb2,0x40039c02,0x8804bd60,0x7900080c,0xba3c1628,0xcb088640,
     267             :         0x90807274,0x0000001e,0xd8000000,0x9c87e188,0x04124034,0x2791ae64,
     268             :         0xe6fbe86b,0x5366408f,0x537feea6,0xb5e4e3ab,0x0002869f,0x01228548,
     269             :         0x48004402,0x20a02116,0x02240004,0x00052080,0x01547e00,0x01ac162c,
     270             :         0x10852a84,0x05308c14,0xfdc3fbc3,0x906060fa,0x40336440,0x96901200,
     271             :         0x4e834b31,0x418200d4,0x1d6a0129,0x02802080,0x02ad8000,0x9f0c2691,
     272             :         0x67018044,0x0c24d96f,0x18d02910,0x50215001,0x04d01000,0x02017090,
     273             :         0x61c30148,0x01000132,0x07190088,0x05620802,0x4c0e0132,0xf0a10405,
     274             :         0x00000002,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     275             :         0x00000000,0x00800000,0x035e8e8d,0x5a0421bd,0x11703488,0x00000026,
     276             :         0x10000000,0x8804c502,0xf801b815,0x25ed147c,0x3bb0ed60,0x1bd78589,
     277             :         0x1a627af3,0x0ac50d0c,0x524ae5d1,0x6b0d0490,0x5266a35c,0x16122b57,
     278             :         0x1101a872,0x00182949,0x10080948,0x886c6000,0x058f916e,0x39903012,
     279             :         0x49b0f840,0x001b88a0,0x00000000,0x00428500,0x98000058,0x7014ea04,
     280             :         0x611d1628,0x60005193,0x00a71a24,0x00000000,0x43c00000,0x10187120,
     281             :         0xa9270172,0x89066004,0x020cc022,0x40810900,0x8ca0602d,0x00000e34,
     282             :         0x00000000,0x11012100,0xd31a8011,0x0892ec4c,0x85000040,0x1806c7ac,
     283             :         0x0512e03e,0x00348000,0x80cec008,0x0a126d01,0x08568641,0x0027011e,
     284             :         0x083d3751,0x4e05e032,0x048401c0,0x01400081,0x00000000,0x00000000,
     285             :         0x00000000,0x00591aa0,0x882443c8,0xc8001d48,0x72030152,0x04059813,
     286             :         0x04008280,0x0d148a10,0x02088056,0x2704a040,0x4e000000,0x00000000,
     287             :         0x00000000,0xa3200000,0xa0ae1902,0xdf002660,0x7b17f010,0x3ad08121,
     288             :         0x00284180,0x48001003,0x8014cc00,0x00c414cf,0x30202000,0x00000001,
     289             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     290             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     291             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     292             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     293             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     294             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     295             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     296             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     297             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     298             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     299             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     300             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     301             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     302             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     303             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     304             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     305             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     306             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     307             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     308             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     309             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     310             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     311             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     312             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     313             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     314             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     315             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     316             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     317             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     318             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     319             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     320             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     321             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     322             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     323             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     324             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     325             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     326             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     327             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     328             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     329             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     330             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     331             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     332             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     333             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     334             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     335             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     336             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     337             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     338             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     339             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     340             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     341             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     342             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     343             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     344             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     345             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     346             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     347             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     348             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     349             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     350             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     351             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     352             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     353             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     354             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     355             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     356             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     357             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     358             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     359             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     360             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     361             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     362             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     363             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     364             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     365             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     366             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     367             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     368             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     369             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     370             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     371             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     372             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     373             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     374             :         0x00000000,0x00000000,0x00000000,0x00000000,0xffffffff,0xffffffff,
     375             :         0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,
     376             :         0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,
     377             :         0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,
     378             :         0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,
     379             :         0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,
     380             :         0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,
     381             :         0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,
     382             :         0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,
     383             :         0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,
     384             :         0xffffffff,0xffffffff,0x00ffffff,0x00000000,0x00000000,0x00000000,
     385             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     386             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     387             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     388             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     389             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     390             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     391             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     392             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     393             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     394             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     395             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     396             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     397             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     398             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     399             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     400             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     401             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     402             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     403             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     404             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     405             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     406             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     407             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x000f0000,
     408             :         0x00000000,0x00000200,0x00000000,0x00000000,0x00000000,0x00000000,
     409             :         0x10000000,0x00000000,0xffffc000,0x00003fff,0x00000000,0x00000000,
     410             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     411             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     412             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     413             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     414             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     415             :         0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,
     416             :         0xfffffffe,0xffffffff,0x7fffffff,0xfffffffe,0xffffffff,0x00000000,
     417             :         0x00000000,0x0000003f
     418             : };
     419             : 
     420             : #if 0
     421             : /*
     422             :  * The following program regenerates the good old valid.dat. Try it
     423             :  * yourself :-)
     424             :  */
     425             : int main(void)
     426             : {
     427             :         int i;
     428             :         for (i=0; i<65536; i++) {
     429             :                 char c = (valid_table[i/32] & (1<<(i%32))) ? 1 : 0;
     430             :                 write(1, &c, 1);
     431             :         }
     432             : }
     433             : #endif
     434             : 
     435           0 : static bool isvalid83_w(smb_ucs2_t c)
     436             : {
     437           0 :         uint16_t idx = SVAL(&c, 0);
     438           0 :         return (valid_table[idx/32] & (1 << (idx%32))) != 0;
     439             : }
     440             : 
     441           0 : static NTSTATUS has_valid_83_chars(const smb_ucs2_t *s, bool allow_wildcards)
     442             : {
     443           0 :         if (!*s) {
     444           0 :                 return NT_STATUS_INVALID_PARAMETER;
     445             :         }
     446             : 
     447           0 :         if (!allow_wildcards && ms_has_wild_w(s)) {
     448           0 :                 return NT_STATUS_UNSUCCESSFUL;
     449             :         }
     450             : 
     451           0 :         while (*s) {
     452           0 :                 if(!isvalid83_w(*s)) {
     453           0 :                         return NT_STATUS_UNSUCCESSFUL;
     454             :                 }
     455           0 :                 s++;
     456             :         }
     457             : 
     458           0 :         return NT_STATUS_OK;
     459             : }
     460             : 
     461           0 : static NTSTATUS has_illegal_chars(const smb_ucs2_t *s, bool allow_wildcards)
     462             : {
     463           0 :         if (!allow_wildcards && ms_has_wild_w(s)) {
     464           0 :                 return NT_STATUS_UNSUCCESSFUL;
     465             :         }
     466             : 
     467           0 :         while (*s) {
     468           0 :                 if (*s <= 0x1f) {
     469             :                         /* Control characters. */
     470           0 :                         return NT_STATUS_UNSUCCESSFUL;
     471             :                 }
     472           0 :                 switch(*s) {
     473           0 :                         case UCS2_CHAR('\\'):
     474             :                         case UCS2_CHAR('/'):
     475             :                         case UCS2_CHAR('|'):
     476             :                         case UCS2_CHAR(':'):
     477           0 :                                 return NT_STATUS_UNSUCCESSFUL;
     478             :                 }
     479           0 :                 s++;
     480             :         }
     481             : 
     482           0 :         return NT_STATUS_OK;
     483             : }
     484             : 
     485             : /*******************************************************************
     486             :  Duplicate string.
     487             : ********************************************************************/
     488             : 
     489           0 : static smb_ucs2_t *strdup_w(const smb_ucs2_t *src)
     490             : {
     491             :         smb_ucs2_t *dest;
     492           0 :         size_t len = strlen_w(src);
     493           0 :         dest = SMB_MALLOC_ARRAY(smb_ucs2_t, len + 1);
     494           0 :         if (!dest) {
     495           0 :                 DEBUG(0,("strdup_w: out of memory!\n"));
     496           0 :                 return NULL;
     497             :         }
     498             : 
     499           0 :         memcpy(dest, src, len * sizeof(smb_ucs2_t));
     500           0 :         dest[len] = 0;
     501           0 :         return dest;
     502             : }
     503             : 
     504             : /* return False if something fail and
     505             :  * return 2 alloced unicode strings that contain prefix and extension
     506             :  */
     507             : 
     508           0 : static NTSTATUS mangle_get_prefix(const smb_ucs2_t *ucs2_string, smb_ucs2_t **prefix,
     509             :                 smb_ucs2_t **extension, bool allow_wildcards)
     510             : {
     511             :         size_t ext_len;
     512             :         smb_ucs2_t *p;
     513             : 
     514           0 :         *extension = 0;
     515           0 :         *prefix = strdup_w(ucs2_string);
     516           0 :         if (!*prefix) {
     517           0 :                 return NT_STATUS_NO_MEMORY;
     518             :         }
     519           0 :         if ((p = strrchr_w(*prefix, UCS2_CHAR('.')))) {
     520           0 :                 ext_len = strlen_w(p+1);
     521           0 :                 if ((ext_len > 0) && (ext_len < 4) && (p != *prefix) &&
     522           0 :                     (NT_STATUS_IS_OK(has_valid_83_chars(p+1,allow_wildcards)))) /* check extension */ {
     523           0 :                         *p = 0;
     524           0 :                         *extension = strdup_w(p+1);
     525           0 :                         if (!*extension) {
     526           0 :                                 SAFE_FREE(*prefix);
     527           0 :                                 return NT_STATUS_NO_MEMORY;
     528             :                         }
     529             :                 }
     530             :         }
     531           0 :         return NT_STATUS_OK;
     532             : }
     533             : 
     534             : /* ************************************************************************** **
     535             :  * Return NT_STATUS_UNSUCCESSFUL if a name is a special msdos reserved name.
     536             :  * or contains illegal characters.
     537             :  *
     538             :  *  Input:  fname - String containing the name to be tested.
     539             :  *
     540             :  *  Output: NT_STATUS_UNSUCCESSFUL, if the condition above is true.
     541             :  *
     542             :  *  Notes:  This is a static function called by is_8_3(), below.
     543             :  *
     544             :  * ************************************************************************** **
     545             :  */
     546             : 
     547           0 : static NTSTATUS is_valid_name(const smb_ucs2_t *fname, bool allow_wildcards, bool only_8_3)
     548             : {
     549             :         smb_ucs2_t *str, *p;
     550             :         size_t num_ucs2_chars;
     551           0 :         NTSTATUS ret = NT_STATUS_OK;
     552             : 
     553           0 :         if (!fname || !*fname)
     554           0 :                 return NT_STATUS_INVALID_PARAMETER;
     555             : 
     556             :         /* . and .. are valid names. */
     557           0 :         if (strcmp_wa(fname, ".")==0 || strcmp_wa(fname, "..")==0)
     558           0 :                 return NT_STATUS_OK;
     559             : 
     560           0 :         if (only_8_3) {
     561           0 :                 ret = has_valid_83_chars(fname, allow_wildcards);
     562           0 :                 if (!NT_STATUS_IS_OK(ret))
     563           0 :                         return ret;
     564             :         }
     565             : 
     566           0 :         ret = has_illegal_chars(fname, allow_wildcards);
     567           0 :         if (!NT_STATUS_IS_OK(ret))
     568           0 :                 return ret;
     569             : 
     570             :         /* Name can't end in '.' or ' ' */
     571           0 :         num_ucs2_chars = strlen_w(fname);
     572           0 :         if (fname[num_ucs2_chars-1] == UCS2_CHAR('.') || fname[num_ucs2_chars-1] == UCS2_CHAR(' ')) {
     573           0 :                 return NT_STATUS_UNSUCCESSFUL;
     574             :         }
     575             : 
     576           0 :         str = strdup_w(fname);
     577             : 
     578             :         /* Truncate copy after the first dot. */
     579           0 :         p = strchr_w(str, UCS2_CHAR('.'));
     580           0 :         if (p) {
     581           0 :                 *p = 0;
     582             :         }
     583             : 
     584           0 :         strupper_w(str);
     585           0 :         p = &str[1];
     586             : 
     587           0 :         switch(str[0])
     588             :         {
     589           0 :         case UCS2_CHAR('A'):
     590           0 :                 if(strcmp_wa(p, "UX") == 0)
     591           0 :                         ret = NT_STATUS_UNSUCCESSFUL;
     592           0 :                 break;
     593           0 :         case UCS2_CHAR('C'):
     594           0 :                 if((strcmp_wa(p, "LOCK$") == 0)
     595           0 :                 || (strcmp_wa(p, "ON") == 0)
     596           0 :                 || (strcmp_wa(p, "OM1") == 0)
     597           0 :                 || (strcmp_wa(p, "OM2") == 0)
     598           0 :                 || (strcmp_wa(p, "OM3") == 0)
     599           0 :                 || (strcmp_wa(p, "OM4") == 0)
     600             :                 )
     601           0 :                         ret = NT_STATUS_UNSUCCESSFUL;
     602           0 :                 break;
     603           0 :         case UCS2_CHAR('L'):
     604           0 :                 if((strcmp_wa(p, "PT1") == 0)
     605           0 :                 || (strcmp_wa(p, "PT2") == 0)
     606           0 :                 || (strcmp_wa(p, "PT3") == 0)
     607             :                 )
     608           0 :                         ret = NT_STATUS_UNSUCCESSFUL;
     609           0 :                 break;
     610           0 :         case UCS2_CHAR('N'):
     611           0 :                 if(strcmp_wa(p, "UL") == 0)
     612           0 :                         ret = NT_STATUS_UNSUCCESSFUL;
     613           0 :                 break;
     614           0 :         case UCS2_CHAR('P'):
     615           0 :                 if(strcmp_wa(p, "RN") == 0)
     616           0 :                         ret = NT_STATUS_UNSUCCESSFUL;
     617           0 :                 break;
     618           0 :         default:
     619           0 :                 break;
     620             :         }
     621             : 
     622           0 :         SAFE_FREE(str);
     623           0 :         return ret;
     624             : }
     625             : 
     626           0 : static NTSTATUS is_8_3_w(const smb_ucs2_t *fname, bool allow_wildcards)
     627             : {
     628           0 :         smb_ucs2_t *pref = 0, *ext = 0;
     629             :         size_t plen;
     630           0 :         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
     631             : 
     632           0 :         if (!fname || !*fname)
     633           0 :                 return NT_STATUS_INVALID_PARAMETER;
     634             : 
     635           0 :         if (strlen_w(fname) > 12)
     636           0 :                 return NT_STATUS_UNSUCCESSFUL;
     637             : 
     638           0 :         if (strcmp_wa(fname, ".") == 0 || strcmp_wa(fname, "..") == 0)
     639           0 :                 return NT_STATUS_OK;
     640             : 
     641             :         /* Name cannot start with '.' */
     642           0 :         if (*fname == UCS2_CHAR('.'))
     643           0 :                 return NT_STATUS_UNSUCCESSFUL;
     644             : 
     645           0 :         if (!NT_STATUS_IS_OK(is_valid_name(fname, allow_wildcards, True)))
     646           0 :                 goto done;
     647             : 
     648           0 :         if (!NT_STATUS_IS_OK(mangle_get_prefix(fname, &pref, &ext, allow_wildcards)))
     649           0 :                 goto done;
     650           0 :         plen = strlen_w(pref);
     651             : 
     652           0 :         if (strchr_wa(pref, '.'))
     653           0 :                 goto done;
     654           0 :         if (plen < 1 || plen > 8)
     655             :                 goto done;
     656           0 :         if (ext && (strlen_w(ext) > 3))
     657           0 :                 goto done;
     658             : 
     659           0 :         ret = NT_STATUS_OK;
     660             : 
     661           0 : done:
     662           0 :         SAFE_FREE(pref);
     663           0 :         SAFE_FREE(ext);
     664           0 :         return ret;
     665             : }
     666             : 
     667           0 : static bool is_8_3(const char *fname, bool check_case, bool allow_wildcards,
     668             :                    const struct share_params *p)
     669             : {
     670             :         const char *f;
     671             :         smb_ucs2_t *ucs2name;
     672           0 :         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
     673             :         size_t size;
     674             : 
     675           0 :         if (!fname || !*fname)
     676           0 :                 return False;
     677           0 :         if ((f = strrchr(fname, '/')) == NULL)
     678           0 :                 f = fname;
     679             :         else
     680           0 :                 f++;
     681             : 
     682           0 :         if (strlen(f) > 12)
     683           0 :                 return False;
     684             : 
     685           0 :         if (!push_ucs2_talloc(NULL, &ucs2name, f, &size)) {
     686           0 :                 DEBUG(0,("is_8_3: internal error push_ucs2_talloc() failed!\n"));
     687           0 :                 goto done;
     688             :         }
     689             : 
     690           0 :         ret = is_8_3_w(ucs2name, allow_wildcards);
     691             : 
     692           0 : done:
     693           0 :         TALLOC_FREE(ucs2name);
     694             : 
     695           0 :         if (!NT_STATUS_IS_OK(ret)) {
     696           0 :                 return False;
     697             :         }
     698             : 
     699           0 :         return True;
     700             : }
     701             : 
     702             : /* -------------------------------------------------------------------------- **
     703             :  * Functions...
     704             :  */
     705             : 
     706             : /* ************************************************************************** **
     707             :  * Initialize the static character test array.
     708             :  *
     709             :  *  Input:  none
     710             :  *
     711             :  *  Output: none
     712             :  *
     713             :  *  Notes:  This function changes (loads) the contents of the <chartest>
     714             :  *          array.  The scope of <chartest> is this file.
     715             :  *
     716             :  * ************************************************************************** **
     717             :  */
     718             : 
     719           0 : static void init_chartest( void )
     720             : {
     721             :         const unsigned char *s;
     722             : 
     723           0 :         chartest = SMB_MALLOC_ARRAY(unsigned char, 256);
     724             : 
     725           0 :         SMB_ASSERT(chartest != NULL);
     726           0 :         memset(chartest, '\0', 256);
     727             : 
     728           0 :         for( s = (const unsigned char *)basechars; *s; s++ ) {
     729           0 :                 chartest[*s] |= BASECHAR_MASK;
     730             :         }
     731           0 : }
     732             : 
     733             : /* ************************************************************************** **
     734             :  * Return True if the name *could be* a mangled name.
     735             :  *
     736             :  *  Input:  s - A path name - in UNIX pathname format.
     737             :  *
     738             :  *  Output: True if the name matches the pattern described below in the
     739             :  *          notes, else False.
     740             :  *
     741             :  *  Notes:  The input name is *not* tested for 8.3 compliance.  This must be
     742             :  *          done separately.  This function returns true if the name contains
     743             :  *          a magic character followed by excactly two characters from the
     744             :  *          basechars list (above), which in turn are followed either by the
     745             :  *          nul (end of string) byte or a dot (extension) or by a '/' (end of
     746             :  *          a directory name).
     747             :  *
     748             :  * ************************************************************************** **
     749             :  */
     750             : 
     751           0 : static bool is_mangled(const char *s, const struct share_params *p)
     752             : {
     753             :         char *magic;
     754             :         char magic_char;
     755             : 
     756           0 :         magic_char = lp_mangling_char(p);
     757             : 
     758           0 :         if (chartest == NULL) {
     759           0 :                 init_chartest();
     760             :         }
     761             : 
     762           0 :         magic = strchr_m( s, magic_char );
     763           0 :         while( magic && magic[1] && magic[2] ) {         /* 3 chars, 1st is magic. */
     764           0 :                 if( ('.' == magic[3] || '/' == magic[3] || !(magic[3]))          /* Ends with '.' or nul or '/' ?  */
     765           0 :                                 && isbasechar( toupper_m(magic[1]) )           /* is 2nd char basechar?  */
     766           0 :                                 && isbasechar( toupper_m(magic[2]) ) )         /* is 3rd char basechar?  */
     767           0 :                         return( True );                           /* If all above, then true, */
     768           0 :                 magic = strchr_m( magic+1, magic_char );      /*    else seek next magic. */
     769             :         }
     770           0 :         return( False );
     771             : }
     772             : 
     773             : /***************************************************************************
     774             :  Initializes or clears the mangled cache.
     775             : ***************************************************************************/
     776             : 
     777           0 : static void mangle_reset( void )
     778             : {
     779             :         /* We could close and re-open the tdb here... should we ? The old code did
     780             :            the equivalent... JRA. */
     781           0 : }
     782             : 
     783             : /***************************************************************************
     784             :  Add a mangled name into the cache.
     785             :  If the extension of the raw name maps directly to the
     786             :  extension of the mangled name, then we'll store both names
     787             :  *without* extensions.  That way, we can provide consistent
     788             :  reverse mangling for all names that match.  The test here is
     789             :  a bit more careful than the one done in earlier versions of
     790             :  mangle.c:
     791             : 
     792             :     - the extension must exist on the raw name,
     793             :     - it must be all lower case
     794             :     - it must match the mangled extension (to prove that no
     795             :       mangling occurred).
     796             :   crh 07-Apr-1998
     797             : **************************************************************************/
     798             : 
     799           0 : static void cache_mangled_name( const char mangled_name[13],
     800             :                                 const char *raw_name )
     801             : {
     802             :         TDB_DATA data_val;
     803             :         char mangled_name_key[13];
     804           0 :         char *s1 = NULL;
     805           0 :         char *s2 = NULL;
     806             : 
     807             :         /* If the cache isn't initialized, give up. */
     808           0 :         if( !tdb_mangled_cache )
     809           0 :                 return;
     810             : 
     811             :         /* Init the string lengths. */
     812           0 :         strlcpy(mangled_name_key, mangled_name, sizeof(mangled_name_key));
     813             : 
     814             :         /* See if the extensions are unmangled.  If so, store the entry
     815             :          * without the extension, thus creating a "group" reverse map.
     816             :          */
     817           0 :         s1 = strrchr( mangled_name_key, '.' );
     818           0 :         if( s1 && (s2 = strrchr( raw_name, '.' )) ) {
     819           0 :                 size_t i = 1;
     820           0 :                 while( s1[i] && (tolower_m( s1[i] ) == s2[i]) )
     821           0 :                         i++;
     822           0 :                 if( !s1[i] && !s2[i] ) {
     823             :                         /* Truncate at the '.' */
     824           0 :                         *s1 = '\0';
     825             :                         /*
     826             :                          * DANGER WILL ROBINSON - this
     827             :                          * is changing a const string via
     828             :                          * an aliased pointer ! Remember to
     829             :                          * put it back once we've used it.
     830             :                          * JRA
     831             :                          */
     832           0 :                         *s2 = '\0';
     833             :                 }
     834             :         }
     835             : 
     836             :         /* Allocate a new cache entry.  If the allocation fails, just return. */
     837           0 :         data_val = string_term_tdb_data(raw_name);
     838           0 :         if (tdb_store_bystring(tdb_mangled_cache, mangled_name_key, data_val, TDB_REPLACE) != 0) {
     839           0 :                 DEBUG(0,("cache_mangled_name: Error storing entry %s -> %s\n", mangled_name_key, raw_name));
     840             :         } else {
     841           0 :                 DEBUG(5,("cache_mangled_name: Stored entry %s -> %s\n", mangled_name_key, raw_name));
     842             :         }
     843             :         /* Restore the change we made to the const string. */
     844           0 :         if (s2) {
     845           0 :                 *s2 = '.';
     846             :         }
     847             : }
     848             : 
     849             : /* ************************************************************************** **
     850             :  * Check for a name on the mangled name stack
     851             :  *
     852             :  *  Input:  s - Input *and* output string buffer.
     853             :  *          maxlen - space in i/o string buffer.
     854             :  *  Output: True if the name was found in the cache, else False.
     855             :  *
     856             :  *  Notes:  If a reverse map is found, the function will overwrite the string
     857             :  *          space indicated by the input pointer <s>.  This is frightening.
     858             :  *          It should be rewritten to return NULL if the long name was not
     859             :  *          found, and a pointer to the long name if it was found.
     860             :  *
     861             :  * ************************************************************************** **
     862             :  */
     863             : 
     864           0 : static bool lookup_name_from_8_3(TALLOC_CTX *ctx,
     865             :                                 const char *in,
     866             :                                 char **out, /* talloced on the given context. */
     867             :                                 const struct share_params *p)
     868             : {
     869             :         TDB_DATA data_val;
     870           0 :         char *saved_ext = NULL;
     871           0 :         char *s = talloc_strdup(ctx, in);
     872             : 
     873             :         /* If the cache isn't initialized, give up. */
     874           0 :         if(!s || !tdb_mangled_cache ) {
     875           0 :                 TALLOC_FREE(s);
     876           0 :                 return False;
     877             :         }
     878             : 
     879           0 :         data_val = tdb_fetch_bystring(tdb_mangled_cache, s);
     880             : 
     881             :         /* If we didn't find the name *with* the extension, try without. */
     882           0 :         if(data_val.dptr == NULL || data_val.dsize == 0) {
     883           0 :                 char *ext_start = strrchr( s, '.' );
     884           0 :                 if( ext_start ) {
     885           0 :                         if((saved_ext = talloc_strdup(ctx,ext_start)) == NULL) {
     886           0 :                                 TALLOC_FREE(s);
     887           0 :                                 return False;
     888             :                         }
     889             : 
     890           0 :                         *ext_start = '\0';
     891           0 :                         data_val = tdb_fetch_bystring(tdb_mangled_cache, s);
     892             :                         /*
     893             :                          * At this point s is the name without the
     894             :                          * extension. We re-add the extension if saved_ext
     895             :                          * is not null, before freeing saved_ext.
     896             :                          */
     897             :                 }
     898             :         }
     899             : 
     900             :         /* Okay, if we haven't found it we're done. */
     901           0 :         if(data_val.dptr == NULL || data_val.dsize == 0) {
     902           0 :                 TALLOC_FREE(saved_ext);
     903           0 :                 TALLOC_FREE(s);
     904           0 :                 return False;
     905             :         }
     906             : 
     907             :         /* If we *did* find it, we need to talloc it on the given ctx. */
     908           0 :         if (saved_ext) {
     909           0 :                 *out = talloc_asprintf(ctx, "%s%s",
     910           0 :                                         (char *)data_val.dptr,
     911             :                                         saved_ext);
     912             :         } else {
     913           0 :                 *out = talloc_strdup(ctx, (char *)data_val.dptr);
     914             :         }
     915             : 
     916           0 :         TALLOC_FREE(s);
     917           0 :         TALLOC_FREE(saved_ext);
     918           0 :         SAFE_FREE(data_val.dptr);
     919             : 
     920           0 :         return *out ? True : False;
     921             : }
     922             : 
     923             : /**
     924             :  Check if a string is in "normal" case.
     925             : **/
     926             : 
     927           0 : static bool strisnormal(const char *s, int case_default)
     928             : {
     929           0 :         if (case_default == CASE_UPPER)
     930           0 :                 return(!strhaslower(s));
     931             : 
     932           0 :         return(!strhasupper(s));
     933             : }
     934             : 
     935             : 
     936             : /*****************************************************************************
     937             :  Do the actual mangling to 8.3 format.
     938             : *****************************************************************************/
     939             : 
     940           0 : static bool to_8_3(char magic_char, const char *in, char out[13], int default_case)
     941             : {
     942             :         int csum;
     943             :         char *p;
     944             :         char extension[4];
     945             :         char base[9];
     946           0 :         int baselen = 0;
     947           0 :         int extlen = 0;
     948           0 :         char *s = SMB_STRDUP(in);
     949             : 
     950           0 :         extension[0] = 0;
     951           0 :         base[0] = 0;
     952             : 
     953           0 :         if (!s) {
     954           0 :                 return False;
     955             :         }
     956             : 
     957           0 :         p = strrchr(s,'.');
     958           0 :         if( p && (strlen(p+1) < (size_t)4) ) {
     959           0 :                 bool all_normal = ( strisnormal(p+1, default_case) ); /* XXXXXXXXX */
     960             : 
     961           0 :                 if( all_normal && p[1] != 0 ) {
     962           0 :                         *p = 0;
     963           0 :                         csum = str_checksum( s );
     964           0 :                         *p = '.';
     965             :                 } else
     966           0 :                         csum = str_checksum(s);
     967             :         } else
     968           0 :                 csum = str_checksum(s);
     969             : 
     970           0 :         if (!strupper_m( s )) {
     971           0 :                 SAFE_FREE(s);
     972           0 :                 return false;
     973             :         }
     974             : 
     975           0 :         if( p ) {
     976           0 :                 if( p == s )
     977           0 :                         strlcpy( extension, "___", 4);
     978             :                 else {
     979           0 :                         *p++ = 0;
     980           0 :                         while( *p && extlen < 3 ) {
     981           0 :                                 if ( *p != '.') {
     982           0 :                                         extension[extlen++] = p[0];
     983             :                                 }
     984           0 :                                 p++;
     985             :                         }
     986           0 :                         extension[extlen] = 0;
     987             :                 }
     988             :         }
     989             : 
     990           0 :         p = s;
     991             : 
     992           0 :         while( *p && baselen < 5 ) {
     993           0 :                 if (isbasechar(*p)) {
     994           0 :                         base[baselen++] = p[0];
     995             :                 }
     996           0 :                 p++;
     997             :         }
     998           0 :         base[baselen] = 0;
     999             : 
    1000           0 :         csum = csum % (MANGLE_BASE*MANGLE_BASE);
    1001             : 
    1002           0 :         memcpy(out, base, baselen);
    1003           0 :         out[baselen] = magic_char;
    1004           0 :         out[baselen+1] = mangle( csum/MANGLE_BASE );
    1005           0 :         out[baselen+2] = mangle( csum );
    1006             : 
    1007           0 :         if( *extension ) {
    1008           0 :                 out[baselen+3] = '.';
    1009           0 :                 strlcpy(&out[baselen+4], extension, 4);
    1010             :         }
    1011             : 
    1012           0 :         SAFE_FREE(s);
    1013           0 :         return True;
    1014             : }
    1015             : 
    1016           0 : static bool must_mangle(const char *name,
    1017             :                         const struct share_params *p)
    1018             : {
    1019           0 :         smb_ucs2_t *name_ucs2 = NULL;
    1020             :         NTSTATUS status;
    1021             :         size_t converted_size;
    1022             : 
    1023           0 :         if (!push_ucs2_talloc(NULL, &name_ucs2, name, &converted_size)) {
    1024           0 :                 DEBUG(0, ("push_ucs2_talloc failed!\n"));
    1025           0 :                 return False;
    1026             :         }
    1027           0 :         status = is_valid_name(name_ucs2, False, False);
    1028           0 :         TALLOC_FREE(name_ucs2);
    1029             :         /* We return true if we *must* mangle, so if it's
    1030             :          * a valid name (status == OK) then we must return
    1031             :          * false. Bug #6939. */
    1032           0 :         return !NT_STATUS_IS_OK(status);
    1033             : }
    1034             : 
    1035             : /*****************************************************************************
    1036             :  * Convert a filename to DOS format.  Return True if successful.
    1037             :  *  Input:  in        Incoming name.
    1038             :  *
    1039             :  *          out       8.3 DOS name.
    1040             :  *
    1041             :  *          cache83 - If False, the mangled name cache will not be updated.
    1042             :  *                    This is usually used to prevent that we overwrite
    1043             :  *                    a conflicting cache entry prematurely, i.e. before
    1044             :  *                    we know whether the client is really interested in the
    1045             :  *                    current name.  (See PR#13758).  UKD.
    1046             :  *
    1047             :  * ****************************************************************************
    1048             :  */
    1049             : 
    1050           0 : static bool hash_name_to_8_3(const char *in,
    1051             :                         char out[13],
    1052             :                         bool cache83,
    1053             :                         int default_case,
    1054             :                         const struct share_params *p)
    1055             : {
    1056           0 :         smb_ucs2_t *in_ucs2 = NULL;
    1057             :         size_t converted_size;
    1058             :         char magic_char;
    1059             : 
    1060           0 :         magic_char = lp_mangling_char(p);
    1061             : 
    1062           0 :         DEBUG(5,("hash_name_to_8_3( %s, cache83 = %s)\n", in,
    1063             :                  cache83 ? "True" : "False"));
    1064             : 
    1065           0 :         if (!push_ucs2_talloc(NULL, &in_ucs2, in, &converted_size)) {
    1066           0 :                 DEBUG(0, ("push_ucs2_talloc failed!\n"));
    1067           0 :                 return False;
    1068             :         }
    1069             : 
    1070             :         /* If it's already 8.3, just copy. */
    1071           0 :         if (NT_STATUS_IS_OK(is_valid_name(in_ucs2, False, False)) &&
    1072           0 :                                 NT_STATUS_IS_OK(is_8_3_w(in_ucs2, False))) {
    1073           0 :                 TALLOC_FREE(in_ucs2);
    1074           0 :                 strlcpy(out, in, 13);
    1075           0 :                 return True;
    1076             :         }
    1077             : 
    1078           0 :         TALLOC_FREE(in_ucs2);
    1079           0 :         if (!to_8_3(magic_char, in, out, default_case)) {
    1080           0 :                 return False;
    1081             :         }
    1082             : 
    1083           0 :         cache_mangled_name(out, in);
    1084             : 
    1085           0 :         DEBUG(5,("hash_name_to_8_3(%s) ==> [%s]\n", in, out));
    1086           0 :         return True;
    1087             : }
    1088             : 
    1089             : /*
    1090             :   the following provides the abstraction layer to make it easier
    1091             :   to drop in an alternative mangling implementation
    1092             : */
    1093             : static const struct mangle_fns mangle_hash_fns = {
    1094             :         mangle_reset,
    1095             :         is_mangled,
    1096             :         must_mangle,
    1097             :         is_8_3,
    1098             :         lookup_name_from_8_3,
    1099             :         hash_name_to_8_3
    1100             : };
    1101             : 
    1102             : /* return the methods for this mangling implementation */
    1103           0 : const struct mangle_fns *mangle_hash_init(void)
    1104             : {
    1105           0 :         mangle_reset();
    1106             : 
    1107           0 :         if (chartest == NULL) {
    1108           0 :                 init_chartest();
    1109             :         }
    1110             : 
    1111             :         /* Create the in-memory tdb using our custom hash function. */
    1112           0 :         tdb_mangled_cache = tdb_open_ex("mangled_cache", 1031, TDB_INTERNAL,
    1113             :                                 (O_RDWR|O_CREAT), 0644, NULL, fast_string_hash);
    1114             : 
    1115           0 :         return &mangle_hash_fns;
    1116             : }

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