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/***************************************************************************
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passwd.c - description
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-------------------
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begin : Mon Oct 22 2004
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copyright : (C) 2004 by Leaflet
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email : leaflet@leafok.com
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include <string.h>
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int verify_pass_complexity(const char *password, const char *username, int len)
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{
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int ch_repeat[128], i, verify_ok = 1, pass_len,
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num_count = 0, upper_case = 0, lower_case = 0;
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pass_len = strlen(password);
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for (i = 0; i < 128; i++)
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ch_repeat[i] = 0;
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if (pass_len < len)
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verify_ok = 0;
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if (strstr(password, username) != NULL)
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verify_ok = 0;
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for (i = 0; i < pass_len && verify_ok == 1; i++)
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{
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ch_repeat[password[i]]++;
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if (ch_repeat[password[i]] > 2)
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verify_ok = 0;
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if (isdigit(password[i]))
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num_count++;
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if (isupper(password[i]))
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upper_case++;
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if (islower(password[i]))
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lower_case++;
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if (num_count > 2)
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verify_ok = 0;
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}
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if (upper_case == 0 || lower_case == 0 || num_count == 0)
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verify_ok = 0;
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return (verify_ok);
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}
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