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 Definitions -------------------------*/
47 /*--------------------- Static Classes ----------------------------*/
49 /*--------------------- Static Variables --------------------------*/
50 static int msglevel = MSG_LEVEL_INFO;
52 /*--------------------- Static Functions --------------------------*/
54 /*--------------------- Export Variables --------------------------*/
59 * Set WPA algorithm & keys
70 int wpa_set_keys(PSDevice pDevice, void *ctx)
72 struct viawget_wpa_param *param = ctx;
73 PSMgmtObject pMgmt = &pDevice->sMgmtObj;
75 BYTE abyKey[MAX_KEY_LEN];
76 BYTE abySeq[MAX_KEY_LEN];
78 BYTE byKeyDecMode = KEY_CTL_WEP;
83 if (param->u.wpa_key.alg_name > WPA_ALG_CCMP)
86 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "param->u.wpa_key.alg_name = %d \n",
87 param->u.wpa_key.alg_name);
88 if (param->u.wpa_key.alg_name == WPA_ALG_NONE) {
89 pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled;
90 pDevice->bEncryptionEnable = FALSE;
91 pDevice->byKeyIndex = 0;
92 pDevice->bTransmitKey = FALSE;
93 for (uu=0; uu<MAX_KEY_TABLE; uu++) {
94 MACvDisableKeyEntry(pDevice, uu);
99 if (param->u.wpa_key.key && param->u.wpa_key.key_len > sizeof(abyKey))
102 memcpy(&abyKey[0], param->u.wpa_key.key, param->u.wpa_key.key_len);
104 dwKeyIndex = (DWORD)(param->u.wpa_key.key_index);
106 if (param->u.wpa_key.alg_name == WPA_ALG_WEP) {
107 if (dwKeyIndex > 3) {
110 if (param->u.wpa_key.set_tx) {
111 pDevice->byKeyIndex = (BYTE)dwKeyIndex;
112 pDevice->bTransmitKey = TRUE;
113 dwKeyIndex |= (1 << 31);
115 KeybSetDefaultKey( pDevice,
117 dwKeyIndex & ~(BIT30 | USE_KEYRSC),
118 param->u.wpa_key.key_len,
125 pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
126 pDevice->bEncryptionEnable = TRUE;
131 if (param->u.wpa_key.seq && param->u.wpa_key.seq_len > sizeof(abySeq))
134 memcpy(&abySeq[0], param->u.wpa_key.seq, param->u.wpa_key.seq_len);
136 if (param->u.wpa_key.seq_len > 0) {
137 for (ii = 0 ; ii < param->u.wpa_key.seq_len ; ii++) {
139 KeyRSC |= (abySeq[ii] << (ii * 8));
141 KeyRSC |= (abySeq[ii] << ((ii-4) * 8));
143 dwKeyIndex |= 1 << 29;
146 if (param->u.wpa_key.key_index >= MAX_GROUP_KEY) {
147 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "return dwKeyIndex > 3\n");
151 if (param->u.wpa_key.alg_name == WPA_ALG_TKIP) {
152 pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled;
155 if (param->u.wpa_key.alg_name == WPA_ALG_CCMP) {
156 pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled;
159 if (param->u.wpa_key.set_tx)
160 dwKeyIndex |= (1 << 31);
163 if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled)
164 byKeyDecMode = KEY_CTL_CCMP;
165 else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled)
166 byKeyDecMode = KEY_CTL_TKIP;
168 byKeyDecMode = KEY_CTL_WEP;
170 // Fix HCT test that set 256 bits KEY and Ndis802_11Encryption3Enabled
171 if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled) {
172 if (param->u.wpa_key.key_len == MAX_KEY_LEN)
173 byKeyDecMode = KEY_CTL_TKIP;
174 else if (param->u.wpa_key.key_len == WLAN_WEP40_KEYLEN)
175 byKeyDecMode = KEY_CTL_WEP;
176 else if (param->u.wpa_key.key_len == WLAN_WEP104_KEYLEN)
177 byKeyDecMode = KEY_CTL_WEP;
178 } else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled) {
179 if (param->u.wpa_key.key_len == WLAN_WEP40_KEYLEN)
180 byKeyDecMode = KEY_CTL_WEP;
181 else if (param->u.wpa_key.key_len == WLAN_WEP104_KEYLEN)
182 byKeyDecMode = KEY_CTL_WEP;
185 // Check TKIP key length
186 if ((byKeyDecMode == KEY_CTL_TKIP) &&
187 (param->u.wpa_key.key_len != MAX_KEY_LEN)) {
188 // TKIP Key must be 256 bits
189 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "return - TKIP Key must be 256 bits!\n");
192 // Check AES key length
193 if ((byKeyDecMode == KEY_CTL_CCMP) &&
194 (param->u.wpa_key.key_len != AES_KEY_LEN)) {
195 // AES Key must be 128 bits
196 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "return - AES Key must be 128 bits\n");
200 if (is_broadcast_ether_addr(¶m->addr[0]) || (param->addr == NULL)) {
201 /* if broadcast, set the key as every key entry's group key */
202 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Groupe Key Assign.\n");
204 if ((KeybSetAllGroupKey(pDevice, &(pDevice->sKey), dwKeyIndex,
205 param->u.wpa_key.key_len,
210 (KeybSetDefaultKey(pDevice,
213 param->u.wpa_key.key_len,
218 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "GROUP Key Assign.\n");
223 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key Assign.\n");
224 // BSSID not 0xffffffffffff
225 // Pairwise Key can't be WEP
226 if (byKeyDecMode == KEY_CTL_WEP) {
227 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key can't be WEP\n");
230 dwKeyIndex |= (1 << 30); // set pairwise key
231 if (pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) {
232 //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA - WMAC_CONFIG_IBSS_STA\n"));
235 if (KeybSetKey(pDevice, &(pDevice->sKey), ¶m->addr[0],
236 dwKeyIndex, param->u.wpa_key.key_len,
237 &KeyRSC, (PBYTE)abyKey, byKeyDecMode
239 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key Set\n");
242 if (!compare_ether_addr(¶m->addr[0], pDevice->abyBSSID)) {
243 //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA -Key Table Full.2\n"));
246 // Save Key and configure just before associate/reassociate to BSSID
247 // we do not implement now
251 } // BSSID not 0xffffffffffff
252 if ((ret == 0) && ((param->u.wpa_key.set_tx) != 0)) {
253 pDevice->byKeyIndex = (BYTE)param->u.wpa_key.key_index;
254 pDevice->bTransmitKey = TRUE;
256 pDevice->bEncryptionEnable = TRUE;