skinc/apg
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APG v2.1.0

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This commit is contained in:
Adel I. Mirzazhanov
2002-09-13 15:10:49 +07:00
committed by skinc
parent 8087f2a5e4
commit 900ff5ea18
44 changed files with 2999 additions and 880 deletions
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125
restrict.c
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@@ -1,5 +1,5 @@
/*
** Copyright (c) 1999, 2000, 2001
** Copyright (c) 1999, 2000, 2001, 2002
** Adel I. Mirzazhanov. All rights reserved
**
** Redistribution and use in source and binary forms, with or without
@@ -34,12 +34,19 @@
#include <stdlib.h>
#include <string.h>
#include "restrict.h"
extern struct sym smbl[94];
/*
** Routine that checks if password exist in dictionary
** RETURN -1 - error
** 1 - password exist in dictionary
** 0 - password does not exist in dictionary
** check_pass() - routine that checks if password exist in dictionary
** INPUT:
** char * - password to check.
** char * - dictionary filename.
** OUTPUT:
** int
** -1 - error
** 1 - password exist in dictionary
** 0 - password does not exist in dictionary
** NOTES:
** none.
*/
int
check_pass(char *pass, char *dict)
@@ -58,20 +65,120 @@ check_pass(char *pass, char *dict)
{
string = strtok (string," \t\n\0");
if(strlen(string) != strlen(pass)) continue;
else if (strncmp(string, pass, strlen(pass)) == 0) return (1);
else if (strncmp(string, pass, strlen(pass)) == 0)
{
free ( (void *)string);
fclose (dct);
return (1);
}
}
free ( (void *)string);
fclose (dct);
return (0);
}
/*
** bloom_check_pass() - routine that checks if password exist in dictionary
** using Bloom filter.
** INPUT:
** char * - password to check.
** char * - bloom-filter filename.
** OUTPUT:
** int
** -1 - error
** 1 - password exist in dictionary
** 0 - password does not exist in dictionary
** NOTES:
** none.
*/
int
bloom_check_pass (char *word, char *filter)
{
int ret = 0;
FILE *f_filter;
h_val filter_size = 0L;
if ( (f_filter = open_filter(filter)) == NULL)
if ( (f_filter = open_filter(filter,"r")) == NULL)
return(-1);
filter_size = get_filtersize(f_filter);
return(check_word (word, f_filter, filter_size));
ret = check_word (word, f_filter, filter_size);
close_filter(f_filter);
return(ret);
}
/*
** filter_check_pass() - routine that checks password against filter string
**
** INPUT:
** char * - password to check.
** char * - bloom-filter filename.
** OUTPUT:
** int
** -1 - error
** 1 - password do not pass the filter
** 0 - password pass the filter
** NOTES:
** none.
*/
int
filter_check_pass(const char * word, unsigned int cond)
{
int i = 0;
int sl_ret = 0;
int cl_ret = 0;
int nb_ret = 0;
int ss_ret = 0;
if ((cond & S_SS) > 0)
for (i=0; i < 94; i++)
if ((smbl[i].type & S_SS) > 0)
if ((strchr(word,smbl[i].ch)) != NULL)
ss_ret = 1;
i = 0;
if ((cond & S_SL) > 0)
for (i=0; i < 94; i++)
if ((smbl[i].type & S_SL) > 0)
if ((strchr(word,smbl[i].ch)) != NULL)
sl_ret = 1;
i = 0;
if ((cond & S_CL) > 0)
for (i=0; i < 94; i++)
if ((smbl[i].type & S_CL) > 0)
if ((strchr(word,smbl[i].ch)) != NULL)
cl_ret = 1;
i = 0;
if ((cond & S_NB) > 0)
for (i=0; i < 94; i++)
if ((smbl[i].type & S_NB) > 0)
if ((strchr(word,smbl[i].ch)) != NULL)
nb_ret = 1;
if (((cond & S_SS) > 0) &&(ss_ret != 1)) return (1);
if (((cond & S_SL) > 0) &&(sl_ret != 1)) return (1);
if (((cond & S_CL) > 0) &&(cl_ret != 1)) return (1);
if (((cond & S_NB) > 0) &&(nb_ret != 1)) return (1);
return(0);
}
/*
** set_exclude_list() - set up character list that should
** be excluded from password generation process
**
** INPUT:
** char * - string of characters.
** OUTPUT:
** int - return code
** 0 - OK
** -1 - char_string is too long (max 93)
** NOTES:
** none.
*/
int set_exclude_list(const char * char_string)
{
int i = 0;
if (strlen(char_string) > 93)
return(-1);
for(i=0; i < 94; i++)
if ((strchr(char_string, smbl[i].ch)) != NULL)
smbl[i].type = smbl[i].type | S_RS;
return(0);
}