APG v2.1.0
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107
randpass.c
107
randpass.c
@@ -1,5 +1,5 @@
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/*
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** Copyright (c) 1999, 2000, 2001
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** Copyright (c) 1999, 2000, 2001, 2002
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** Adel I. Mirzazhanov. All rights reserved
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**
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** Redistribution and use in source and binary forms, with or without
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@@ -37,34 +37,21 @@
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#include <pwd.h>
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#include <unistd.h>
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#include "randpass.h"
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#include "owntypes.h"
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struct sym
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{
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char ch;
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USHORT type;
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};
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static struct sym smbl[94] =
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{
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{'a', S_SL}, {'b', S_SL}, {'c', S_SL}, {'d', S_SL}, {'e', S_SL}, {'f', S_SL},
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{'g', S_SL}, {'h', S_SL}, {'i', S_SL}, {'j', S_SL}, {'k', S_SL}, {'l', S_SL},
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{'m', S_SL}, {'n', S_SL}, {'o', S_SL}, {'p', S_SL}, {'q', S_SL}, {'r', S_SL},
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{'s', S_SL}, {'t', S_SL}, {'u', S_SL}, {'v', S_SL}, {'w', S_SL}, {'x', S_SL},
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{'y', S_SL}, {'z', S_SL}, {'A', S_CL}, {'B', S_CL}, {'C', S_CL}, {'D', S_CL},
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{'E', S_CL}, {'F', S_CL}, {'G', S_CL}, {'H', S_CL}, {'I', S_CL}, {'I', S_CL},
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{'K', S_CL}, {'K', S_CL}, {'M', S_CL}, {'N', S_CL}, {'O', S_CL}, {'P', S_CL},
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{'Q', S_CL}, {'R', S_CL}, {'S', S_CL}, {'T', S_CL}, {'U', S_CL}, {'V', S_CL},
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{'W', S_CL}, {'X', S_CL}, {'Y', S_CL}, {'Z', S_CL}, {'1', S_NB}, {'2', S_NB},
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{'3', S_NB}, {'4', S_NB}, {'5', S_NB}, {'6', S_NB}, {'7', S_NB}, {'8', S_NB},
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{'9', S_NB}, {'0', S_NB}, {33 , S_SS}, {34 , S_SS|S_RS}, {35 , S_SS}, {36 , S_SS|S_RS},
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{37 , S_SS}, {38 , S_SS}, {39 , S_SS|S_RS}, {40 , S_SS}, {41 , S_SS}, {42 , S_SS},
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{43 , S_SS}, {44 , S_SS}, {45 , S_SS}, {46 , S_SS}, {47 , S_SS}, {58 , S_SS},
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{59 , S_SS}, {60 , S_SS}, {61 , S_SS}, {62 , S_SS}, {63 , S_SS|S_RS}, {64 , S_SS},
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{91 , S_SS}, {92 , S_SS|S_RS}, {93 , S_SS}, {94 , S_SS}, {95 , S_SS}, {96 , S_SS|S_RS},
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{123, S_SS}, {124, S_SS|S_RS}, {125, S_SS}, {126, S_SS}
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};
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#include "smbl.h"
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/*
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** gen_rand_pass - generates random password of specified type
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** INPUT:
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** char * - password string.
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** int - minimum password length.
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** int - maximum password length.
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** unsigned int - password generation mode.
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** OUTPUT:
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** int - password length or -1 on error.
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** NOTES:
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** none.
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*/
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int
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gen_rand_pass (char *password_string, int minl, int maxl, unsigned int pass_mode)
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@@ -77,7 +64,8 @@ gen_rand_pass (char *password_string, int minl, int maxl, unsigned int pass_mode
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int max_weight = 0;
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int max_weight_element_number = 0;
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if (minl > 256 || maxl > 256 || minl < 1 || maxl < 1 || minl > maxl)
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if (minl > APG_MAX_PASSWORD_LENGTH || maxl > APG_MAX_PASSWORD_LENGTH ||
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minl < 1 || maxl < 1 || minl > maxl)
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return (-1);
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for (i = 0; i <= 93; i++) random_weight[i] = 0;
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length = minl + randint(maxl-minl+1);
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@@ -87,8 +75,8 @@ gen_rand_pass (char *password_string, int minl, int maxl, unsigned int pass_mode
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{
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/* Asign random weight in weight array if mode is present*/
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for (j = 0; j <= 93 ; j++)
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/*!!!*/ if ( ((pass_mode & smbl[j].type) > 0) &&
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!((pass_mode & smbl[j].type) == 0x12))
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if ( ( (pass_mode & smbl[j].type) > 0) &&
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!( (S_RS & smbl[j].type) > 0))
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random_weight[j] = 1 + randint(20000);
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j = 0;
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/* Find an element with maximum weight */
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@@ -108,3 +96,66 @@ gen_rand_pass (char *password_string, int minl, int maxl, unsigned int pass_mode
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*str_pointer = 0;
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return (length);
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}
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/*
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** gen_rand_symbol - generates random password of specified type
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** INPUT:
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** char * - symbol.
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** unsigned int - symbol type.
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** OUTPUT:
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** int - password length or -1 on error.
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** NOTES:
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** none.
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*/
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int
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gen_rand_symbol (char *symbol, unsigned int mode)
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{
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int j = 0;
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char *str_pointer;
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int random_weight[94];
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int max_weight = 0;
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int max_weight_element_number = 0;
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for (j = 0; j <= 93; j++) random_weight[j] = 0;
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str_pointer = symbol;
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j = 0;
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/* Asign random weight in weight array if mode is present*/
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for (j = 0; j <= 93 ; j++)
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if ( ( (mode & smbl[j].type) > 0) &&
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!( (S_RS & smbl[j].type) > 0))
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random_weight[j] = 1 + randint(20000);
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j = 0;
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/* Find an element with maximum weight */
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for (j = 0; j <= 93; j++)
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if (random_weight[j] > max_weight)
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{
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max_weight = random_weight[j];
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max_weight_element_number = j;
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}
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/* Get password symbol */
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*str_pointer = smbl[max_weight_element_number].ch;
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max_weight = 0;
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max_weight_element_number = 0;
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return (0);
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}
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/*
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** is_restricted_symbol - detcts if symbol is restricted rigt now
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** INPUT:
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** char - symbol.
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** OUTPUT:
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** int - 0 - not restricted
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** 1 - restricted
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** NOTES:
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** none.
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*/
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int
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is_restricted_symbol (char symbol)
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{
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int j = 0;
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for (j = 0; j <= 93 ; j++)
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if (symbol == smbl[j].ch)
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if ((S_RS & smbl[j].type) > 0)
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return(1);
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return(0);
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}
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