2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22 * Purpose: handle wpa supplicant ioctl input/out functions
45 static int msglevel = MSG_LEVEL_INFO;
49 * Set WPA algorithm & keys
60 int wpa_set_keys(struct vnt_private *pDevice, void *ctx)
62 struct viawget_wpa_param *param = ctx;
63 struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
65 u8 abyKey[MAX_KEY_LEN];
66 u8 abySeq[MAX_KEY_LEN];
68 u8 byKeyDecMode = KEY_CTL_WEP;
73 if (param->u.wpa_key.alg_name > WPA_ALG_CCMP)
76 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "param->u.wpa_key.alg_name = %d \n",
77 param->u.wpa_key.alg_name);
78 if (param->u.wpa_key.alg_name == WPA_ALG_NONE) {
79 pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled;
80 pDevice->bEncryptionEnable = false;
81 pDevice->byKeyIndex = 0;
82 pDevice->bTransmitKey = false;
83 for (uu=0; uu<MAX_KEY_TABLE; uu++) {
84 MACvDisableKeyEntry(pDevice, uu);
89 if (param->u.wpa_key.key && param->u.wpa_key.key_len > sizeof(abyKey))
92 memcpy(&abyKey[0], param->u.wpa_key.key, param->u.wpa_key.key_len);
94 dwKeyIndex = (u32)(param->u.wpa_key.key_index);
96 if (param->u.wpa_key.alg_name == WPA_ALG_WEP) {
100 if (param->u.wpa_key.set_tx) {
101 pDevice->byKeyIndex = (u8)dwKeyIndex;
102 pDevice->bTransmitKey = true;
103 dwKeyIndex |= (1 << 31);
105 KeybSetDefaultKey( pDevice,
107 dwKeyIndex & ~(BIT30 | USE_KEYRSC),
108 param->u.wpa_key.key_len,
115 pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
116 pDevice->bEncryptionEnable = true;
120 if (param->u.wpa_key.seq && param->u.wpa_key.seq_len > sizeof(abySeq))
123 memcpy(&abySeq[0], param->u.wpa_key.seq, param->u.wpa_key.seq_len);
125 if (param->u.wpa_key.seq_len > 0) {
126 for (ii = 0 ; ii < param->u.wpa_key.seq_len ; ii++) {
128 KeyRSC |= (abySeq[ii] << (ii * 8));
130 KeyRSC |= (abySeq[ii] << ((ii-4) * 8));
132 dwKeyIndex |= 1 << 29;
135 if (param->u.wpa_key.key_index >= MAX_GROUP_KEY) {
136 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "return dwKeyIndex > 3\n");
140 if (param->u.wpa_key.alg_name == WPA_ALG_TKIP) {
141 pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled;
144 if (param->u.wpa_key.alg_name == WPA_ALG_CCMP) {
145 pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled;
148 if (param->u.wpa_key.set_tx)
149 dwKeyIndex |= (1 << 31);
151 if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled)
152 byKeyDecMode = KEY_CTL_CCMP;
153 else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled)
154 byKeyDecMode = KEY_CTL_TKIP;
156 byKeyDecMode = KEY_CTL_WEP;
158 // Fix HCT test that set 256 bits KEY and Ndis802_11Encryption3Enabled
159 if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled) {
160 if (param->u.wpa_key.key_len == MAX_KEY_LEN)
161 byKeyDecMode = KEY_CTL_TKIP;
162 else if (param->u.wpa_key.key_len == WLAN_WEP40_KEYLEN)
163 byKeyDecMode = KEY_CTL_WEP;
164 else if (param->u.wpa_key.key_len == WLAN_WEP104_KEYLEN)
165 byKeyDecMode = KEY_CTL_WEP;
166 } else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled) {
167 if (param->u.wpa_key.key_len == WLAN_WEP40_KEYLEN)
168 byKeyDecMode = KEY_CTL_WEP;
169 else if (param->u.wpa_key.key_len == WLAN_WEP104_KEYLEN)
170 byKeyDecMode = KEY_CTL_WEP;
173 // Check TKIP key length
174 if ((byKeyDecMode == KEY_CTL_TKIP) &&
175 (param->u.wpa_key.key_len != MAX_KEY_LEN)) {
176 // TKIP Key must be 256 bits
177 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "return - TKIP Key must be 256 bits!\n");
180 // Check AES key length
181 if ((byKeyDecMode == KEY_CTL_CCMP) &&
182 (param->u.wpa_key.key_len != AES_KEY_LEN)) {
183 // AES Key must be 128 bits
184 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "return - AES Key must be 128 bits\n");
188 if (is_broadcast_ether_addr(¶m->addr[0]) || (param->addr == NULL)) {
189 /* if broadcast, set the key as every key entry's group key */
190 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Groupe Key Assign.\n");
192 if ((KeybSetAllGroupKey(pDevice, &(pDevice->sKey), dwKeyIndex,
193 param->u.wpa_key.key_len,
198 (KeybSetDefaultKey(pDevice,
201 param->u.wpa_key.key_len,
206 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "GROUP Key Assign.\n");
211 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key Assign.\n");
212 // BSSID not 0xffffffffffff
213 // Pairwise Key can't be WEP
214 if (byKeyDecMode == KEY_CTL_WEP) {
215 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key can't be WEP\n");
218 dwKeyIndex |= (1 << 30); // set pairwise key
219 if (pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) {
220 //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA - WMAC_CONFIG_IBSS_STA\n"));
223 if (KeybSetKey(pDevice, &(pDevice->sKey), ¶m->addr[0],
224 dwKeyIndex, param->u.wpa_key.key_len,
225 &KeyRSC, (u8 *)abyKey, byKeyDecMode
227 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key Set\n");
230 if (ether_addr_equal(param->addr, pDevice->abyBSSID)) {
231 //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA -Key Table Full.2\n"));
234 // Save Key and configure just before associate/reassociate to BSSID
235 // we do not implement now
239 } // BSSID not 0xffffffffffff
240 if ((ret == 0) && ((param->u.wpa_key.set_tx) != 0)) {
241 pDevice->byKeyIndex = (u8)param->u.wpa_key.key_index;
242 pDevice->bTransmitKey = true;
244 pDevice->bEncryptionEnable = true;