29598dfdc0
* test/libnm-util - Add some testcases for WEP ciphers git-svn-id: http://svn-archive.gnome.org/svn/NetworkManager/trunk@1217 4912f4e0-d625-0410-9fb7-b9a5a253dbdc
109 lines
2.6 KiB
C
109 lines
2.6 KiB
C
/* NetworkManager Wireless Applet -- Display wireless access points and allow user control
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*
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* Dan Williams <dcbw@redhat.com>
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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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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* (C) Copyright 2005 Red Hat, Inc.
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*/
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#include <glib.h>
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#include <iwlib.h>
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#include "cipher.h"
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#include "cipher-private.h"
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#include "cipher-wpa-psk-hex.h"
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static char * cipher_wpa_psk_hex_hash_func (IEEE_802_11_Cipher *cipher, const char *ssid, const char *input);
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/* From hostap, Copyright (c) 2002-2005, Jouni Malinen <jkmaline@cc.hut.fi> */
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static int hex2num(char c)
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{
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if (c >= '0' && c <= '9')
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return c - '0';
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if (c >= 'a' && c <= 'f')
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return c - 'a' + 10;
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if (c >= 'A' && c <= 'F')
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return c - 'A' + 10;
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return -1;
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}
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static int hex2byte(const char *hex)
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{
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int a, b;
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a = hex2num(*hex++);
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if (a < 0)
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return -1;
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b = hex2num(*hex++);
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if (b < 0)
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return -1;
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return (a << 4) | b;
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}
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static int hexstr2bin(const char *hex, char *buf, size_t len)
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{
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size_t i;
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int a;
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const char *ipos = hex;
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char *opos = buf;
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for (i = 0; i < len; i++) {
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a = hex2byte(ipos);
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if (a < 0)
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return -1;
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*opos++ = a;
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ipos += 2;
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}
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return 0;
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}
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/* End from hostap */
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IEEE_802_11_Cipher * cipher_wpa_psk_hex_new (void)
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{
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IEEE_802_11_Cipher * cipher = g_malloc0 (sizeof (IEEE_802_11_Cipher));
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cipher->refcount = 1;
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cipher->we_cipher = IW_AUTH_CIPHER_TKIP;
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cipher->input_min = 2;
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cipher->input_max = WPA_PMK_LEN * 2;
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cipher->cipher_hash_func = cipher_wpa_psk_hex_hash_func;
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cipher->cipher_input_validate_func = cipher_default_validate_func;
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return cipher;
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}
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static char * cipher_wpa_psk_hex_hash_func (IEEE_802_11_Cipher *cipher, const char *ssid, const char *input)
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{
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char * buf = NULL;
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char * ret = NULL;
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int err = -1;
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g_return_val_if_fail (cipher != NULL, NULL);
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g_return_val_if_fail (input != NULL, NULL);
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buf = g_malloc0 (WPA_PMK_LEN+1);
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err = hexstr2bin (input, buf, WPA_PMK_LEN);
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if (err != 0)
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g_free (buf);
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else
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ret = buf;
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return ret;
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}
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