smbencrypt.c

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/*
 * smbencrypt.c Produces LM-Password and NT-Password from
 *              cleartext password
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 *
 * Copyright 2002  3APA3A for FreeRADIUS project
   Copyright 2006  The FreeRADIUS server project
 */

RCSID("$Id: d6a20dccf25084ec877e38e59b2daf185cb4bbbb $")

#include        <freeradius-devel/libradius.h>
#include        <freeradius-devel/md4.h>
#include        <freeradius-devel/md5.h>
#include        <freeradius-devel/sha1.h>
#include        <ctype.h>


#include        "smbdes.h"

static char const hex[] = "0123456789ABCDEF";

/*
 *      FIXME: use functions in freeradius
 */
static void tohex (unsigned char const  *src, size_t len, char *dst)
{
        size_t i;
        for (i=0; i<len; i++) {
                dst[(i*2)] = hex[(src[i] >> 4)];
                dst[(i*2) + 1] = hex[(src[i]&0x0F)];
        }
        dst[(i*2)] = 0;
}

static void ntpwdhash(uint8_t *out, char const *password)
{
        ssize_t len;
        uint8_t ucs2_password[512];

        len = fr_utf8_to_ucs2(ucs2_password, sizeof(ucs2_password), password, strlen(password));
        if (len < 0) {
                *out = '\0';
                return;
        }
        fr_md4_calc(out, (uint8_t *) ucs2_password, len);
}

int main (int argc, char *argv[])
{
        int i, l;
        char password[1024];
        uint8_t hash[16];
        char ntpass[33];
        char lmpass[33];

        fprintf(stderr, "LM Hash                         \tNT Hash\n");
        fprintf(stderr, "--------------------------------\t--------------------------------\n");
        fflush(stderr);
        for (i = 1; i < argc; i++ ) {
                strlcpy(password, argv[i], sizeof(password));
                l = strlen(password);
                if (l && password[l-1] == '\n') password [l-1] = 0;
                smbdes_lmpwdhash(password, hash);
                tohex (hash, 16, lmpass);
                ntpwdhash (hash, password);
                tohex (hash, 16, ntpass);
                printf("%s\t%s\n", lmpass, ntpass);
        }
        return 0;
}