usr/src/lib/pam_modules/authtok_check/packer.h

   1 /*
   2  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
   3  * Use is subject to license terms.
   4  */
   5 #ifndef _PACKER_H
   6 #define _PACKER_H
   7
   8 #ifdef __cplusplus
   9 extern "C" {
  10 #endif
  11
  12 /*
  13  * This program is copyright Alec Muffett 1993. The author disclaims all
  14  * responsibility or liability with respect to it's usage or its effect
  15  * upon hardware or computer systems, and maintains copyright as set out
  16  * in the "LICENCE" document which accompanies distributions of Crack v4.0
  17  * and upwards.
  18  */
  19
  20 #include <stdio.h>
  21 #include <ctype.h>
  22 #include <string.h>
  23 #include <unistd.h>
  24 #include <errno.h>
  25 #include <stdlib.h>
  26 #include <limits.h>
  27 #include <sys/types.h>
  28 #include <sys/wait.h>
  29 #include <sys/stat.h>
  30 #include <fcntl.h>
  31 #include <synch.h>
  32 #include <syslog.h>
  33
  34 #define PWADMIN         "/etc/default/passwd"
  35 #define TRUNCSTRINGSIZE (PATH_MAX/4)
  36 #define STRINGSIZE      PATH_MAX
  37
  38 #ifndef NUMWORDS
  39 #define NUMWORDS        16
  40 #endif
  41 #define MAXWORDLEN      32
  42 #define MAXBLOCKLEN     (MAXWORDLEN * NUMWORDS)
  43
  44 struct pi_header
  45 {
  46         uint32_t pih_magic;
  47         uint32_t pih_numwords;
  48         uint16_t pih_blocklen;
  49         uint16_t pih_pad;
  50 };
  51
  52 typedef struct
  53 {
  54         FILE *ifp;
  55         FILE *dfp;
  56         FILE *wfp;
  57
  58         uint32_t flags;
  59 #define PFOR_WRITE      0x0001
  60 #define PFOR_FLUSH      0x0002
  61 #define PFOR_USEHWMS    0x0004
  62
  63         uint32_t hwms[256];
  64
  65         struct pi_header header;
  66
  67         uint32_t count;
  68         char data[NUMWORDS][MAXWORDLEN];
  69 } PWDICT;
  70
  71 #define PW_WORDS(x) ((x)->header.pih_numwords)
  72 #define PIH_MAGIC 0x70775632
  73
  74 void PWRemove(char *);
  75 PWDICT *PWOpen(char *, char *);
  76 char *Mangle(char *, char *);
  77
  78 #define CRACK_TOLOWER(a)        (isupper(a)?tolower(a):(a))
  79 #define CRACK_TOUPPER(a)        (islower(a)?toupper(a):(a))
  80 #define STRCMP(a, b)            strcmp((a), (b))
  81
  82 char    *Trim(register char *);
  83 uint32_t        FindPW(PWDICT *, char *);
  84 int     PWClose(PWDICT *);
  85 int     PutPW(PWDICT *, char *);
  86 char    Chop(register char *);
  87 char    Chomp(register char *);
  88 char    *GetPW(PWDICT *, uint32_t);
  89
  90 #define DATABASE_OPEN_FAIL              -1
  91 #define DICTIONARY_WORD                 2
  92 #define REVERSE_DICTIONARY_WORD         3
  93
  94
  95 /* Dictionary database dir and prefix */
  96
  97 #define CRACK_DIR               "/var/passwd"
  98 #define CRACK_DICTPATH          "/var/passwd/pw_dict"
  99 #define DICT_DATABASE_HWM       "pw_dict.hwm"
 100 #define DICT_DATABASE_PWD       "pw_dict.pwd"
 101 #define DICT_DATABASE_PWI       "pw_dict.pwi"
 102
 103 int packer(char *, char *);
 104 char *Reverse(char *);
 105 char *Lowercase(char *);
 106 int DictCheck(char *, char *);
 107 int make_dict_database(char *, char *);
 108 int build_dict_database(char *, char *);
 109 int lock_db(char *);
 110 void unlock_db();
 111
 112 /* Return values for dictionary database checks */
 113
 114 #define NO_DICTDATABASE         1
 115 #define UPDATE_DICTDATABASE     2
 116 #define DICTFILE_ERR            -1
 117 #define DICTPATH_ERR            -2
 118 #define DICTDATABASE_BUILD_ERR  -3
 119
 120 #ifdef __cplusplus
 121 }
 122 #endif
 123
 124 #endif /* _PACKER_H */