35 lines
630 B
C
35 lines
630 B
C
/*
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* chfn and chsh shared functions
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*
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* this program is free software. you can redistribute it and
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* modify it under the terms of the gnu general public license.
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* there is no warranty.
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*/
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#include <ctype.h>
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#include <string.h>
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#include "c.h"
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#include "nls.h"
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#include "ch-common.h"
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/*
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* illegal_passwd_chars () -
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* check whether a string contains illegal characters
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*/
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int illegal_passwd_chars(const char *str)
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{
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const char illegal[] = ",:=\"\n";
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const size_t len = strlen(str);
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size_t i;
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if (strpbrk(str, illegal))
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return 1;
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for (i = 0; i < len; i++) {
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if (iscntrl(str[i]))
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return 1;
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}
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return 0;
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}
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