78 lines
2.5 KiB
C
78 lines
2.5 KiB
C
/*
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** Copyright (c) 1999, 2000, 2001
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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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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1.Redistributions of source code must retain the above copyright notice,
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** this list of conditions and the following disclaimer.
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** 2.Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3.The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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** OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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** WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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** ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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** DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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** GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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** INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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** WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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** NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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** SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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** restrict.c
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "restrict.h"
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/*
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** Routine that checks if password exist in dictionary
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** RETURN -1 - error
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** 1 - password exist in dictionary
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** 0 - password does not exist in dictionary
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*/
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int
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check_pass(char *pass, char *dict)
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{
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FILE *dct;
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char *string;
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string = (char *) calloc(1,MAX_DICT_STRING_SIZE);
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/*
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** Open dict file an report of error
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*/
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if ( (dct = fopen(dict,"r")) == NULL)
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return(-1);
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while ((fgets(string, MAX_DICT_STRING_SIZE, dct) != NULL))
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{
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string = strtok (string," \t\n\0");
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if(strlen(string) != strlen(pass)) continue;
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else if (strncmp(string, pass, strlen(pass)) == 0) return (1);
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}
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free ( (void *)string);
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fclose (dct);
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return (0);
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}
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int
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bloom_check_pass (char *word, char *filter)
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{
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FILE *f_filter;
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h_val filter_size = 0L;
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if ( (f_filter = open_filter(filter)) == NULL)
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return(-1);
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filter_size = get_filtersize(f_filter);
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return(check_word (word, f_filter, filter_size));
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}
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