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/* vi: set sw=4 ts=4: */
/*
* Utility routine.
*
* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
#include "libbb.h"
#include <string.h>
#include <crypt.h>
char *pw_encrypt(const char *clear, const char *salt)
{
static char cipher[128];
char *cp;
#ifdef CONFIG_FEATURE_SHA1_PASSWORDS
if (strncmp(salt, "$2$", 3) == 0) {
return sha1_crypt(clear);
}
#endif
cp = (char *) crypt(clear, salt);
/* if crypt (a nonstandard crypt) returns a string too large,
truncate it so we don't overrun buffers and hope there is
enough security in what's left */
safe_strncpy(cipher, cp, sizeof(cipher));
return cipher;
}
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