1 /* 2 * admCtrlWpa2.c 3 * 4 * Copyright(c) 1998 - 2010 Texas Instruments. All rights reserved. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name Texas Instruments nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 /** \file admCtrlWpa2.c 35 * \brief WPA2 Admission control methods 36 * 37 * \see admCtrl.h 38 */ 39 40 /**************************************************************************** 41 * * 42 * MODULE: Admission Control * 43 * PURPOSE: Admission Control Module API * 44 * * 45 ****************************************************************************/ 46 47 #define __FILE_ID__ FILE_ID_20 48 #include "osApi.h" 49 #include "timer.h" 50 #include "paramOut.h" 51 #include "mlmeApi.h" 52 #include "802_11Defs.h" 53 #include "DataCtrl_Api.h" 54 #include "report.h" 55 #include "rsn.h" 56 #include "admCtrl.h" 57 #include "admCtrlWpa2.h" 58 #include "osDot11.h" 59 #include "siteMgrApi.h" 60 #include "smeApi.h" 61 #include "EvHandler.h" 62 #include "admCtrl.h" 63 #ifdef XCC_MODULE_INCLUDED 64 #include "admCtrlWpa.h" 65 #include "admCtrlXCC.h" 66 #include "XCCMngr.h" 67 #endif 68 #include "TWDriver.h" 69 70 71 /* Constants */ 72 #define MAX_NETWORK_MODE 2 73 #define MAX_WPA2_CIPHER_SUITE 6 74 75 #define PMKID_CAND_LIST_MEMBUFF_SIZE (2*sizeof(TI_UINT32) + (sizeof(OS_802_11_PMKID_CANDIDATE) * PMKID_MAX_NUMBER)) 76 #define PMKID_MIN_BUFFER_SIZE 2*sizeof(TI_UINT32) + MAC_ADDR_LEN + PMKID_VALUE_SIZE 77 78 #define TI_WLAN_COPY_UINT16_UNALIGNED(addr, val) {\ 79 *((TI_UINT8 *) &(addr)) = (TI_UINT8)(val & 0x00FF); \ 80 *((TI_UINT8 *) &(addr) + 1) = (TI_UINT8)((val & 0xFF00) >> 8);} 81 82 /* Enumerations */ 83 84 /* Typedefs */ 85 86 /* Structures */ 87 88 /* External data definitions */ 89 90 /* Local functions definitions */ 91 92 /* Global variables */ 93 static TI_UINT8 wpa2IeOuiIe[3] = { 0x00, 0x0f, 0xac}; 94 95 static TI_BOOL broadcastCipherSuiteValidity[MAX_NETWORK_MODE][MAX_WPA2_CIPHER_SUITE]= 96 { 97 /* RSN_IBSS */ { 98 /* NONE */ TI_FALSE, 99 /* WEP40 */ TI_FALSE, 100 /* TKIP */ TI_TRUE, 101 /* AES_WRAP */ TI_FALSE, 102 /* AES_CCMP */ TI_TRUE, 103 /* WEP104 */ TI_FALSE}, 104 105 /* RSN_INFRASTRUCTURE */ { 106 /* NONE */ TI_FALSE, 107 /* WEP */ TI_TRUE, 108 /* TKIP */ TI_TRUE, 109 /* AES_WRAP */ TI_FALSE, 110 /* AES_CCMP */ TI_TRUE, 111 /* WEP104 */ TI_TRUE} 112 }; 113 114 /** WPA2 admission table. Used to verify admission parameters to an AP */ 115 /* table parameters: 116 Max unicast cipher in the IE 117 Max broadcast cipher in the IE 118 Encryption status 119 */ 120 typedef struct 121 { 122 TI_STATUS status; 123 ECipherSuite unicast; 124 ECipherSuite broadcast; 125 TI_UINT8 evaluation; 126 } admCtrlWpa2_validity_t; 127 128 static admCtrlWpa2_validity_t admCtrlWpa2_validityTable[MAX_WPA2_CIPHER_SUITE][MAX_WPA2_CIPHER_SUITE][MAX_WPA2_CIPHER_SUITE] = 129 { 130 /* AP unicast NONE */ { 131 /* AP multicast NONE */ { 132 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 133 /* STA WEP40 */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 134 /* STA TKIP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 135 /* STA WRAP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 136 /* STA CCMP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 137 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}, 138 /* AP multicast WEP40 */ { 139 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 140 /* STA WEP40 */ { TI_OK, TWD_CIPHER_NONE, TWD_CIPHER_WEP ,1}, 141 /* STA TKIP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 142 /* STA WRAP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 143 /* STA CCMP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 144 /* STA WEP104 */{ TI_OK, TWD_CIPHER_NONE, TWD_CIPHER_WEP104 ,1}}, 145 /* AP multicast TKIP */ { 146 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 147 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 148 /* STA TKIP */ { TI_OK, TWD_CIPHER_NONE, TWD_CIPHER_TKIP ,2}, 149 /* STA WRAP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 150 /* STA CCMP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 151 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}, 152 /* AP multicast WRAP */ { 153 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 154 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 155 /* STA TKIP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 156 /* STA WRAP */ { TI_OK, TWD_CIPHER_NONE, TWD_CIPHER_AES_WRAP ,3}, 157 /* STA CCMP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 158 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}, 159 /* AP multicast CCMP */ { 160 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 161 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 162 /* STA TKIP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 163 /* STA WRAP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 164 /* STA CCMP */ { TI_OK, TWD_CIPHER_NONE, TWD_CIPHER_AES_CCMP ,3}, 165 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}, 166 /* AP multicast WEP104 */ { 167 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 168 /* STA WEP40 */ { TI_OK, TWD_CIPHER_NONE, TWD_CIPHER_WEP ,1}, 169 /* STA TKIP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 170 /* STA WRAP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 171 /* STA CCMP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 172 /* STA WEP104 */{ TI_OK, TWD_CIPHER_NONE, TWD_CIPHER_WEP104 ,1}}}, 173 /* AP unicast WEP */ { 174 /* AP multicast NONE */ { 175 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 176 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 177 /* STA TKIP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 178 /* STA WRAP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 179 /* STA CCMP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 180 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}, 181 /* AP multicast WEP */ { 182 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 183 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 184 /* STA TKIP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 185 /* STA WRAP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 186 /* STA CCMP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 187 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}, 188 /* AP multicast TKIP */ { 189 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 190 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 191 /* STA TKIP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 192 /* STA AES */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 193 /* STA CCMP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 194 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}, 195 /* AP multicast WRAP */ { 196 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 197 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 198 /* STA TKIP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 199 /* STA WRAP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 200 /* STA CCMP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 201 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}, 202 /* AP multicast CCMP */ { 203 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 204 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 205 /* STA TKIP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 206 /* STA AES */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 207 /* STA CCMP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 208 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}, 209 /* AP multicast WEP104 */ { 210 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 211 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 212 /* STA TKIP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 213 /* STA AES */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 214 /* STA CCMP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 215 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}}, 216 /* AP unicast TKIP */ { 217 /* AP multicast NONE */ { 218 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 219 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 220 /* STA TKIP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 221 /* STA AES */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 222 /* STA CCMP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 223 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}, 224 /* AP multicast WEP */ { 225 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 226 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 227 /* STA TKIP */ { TI_OK, TWD_CIPHER_TKIP, TWD_CIPHER_WEP ,4}, 228 /* STA AES */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 229 /* STA CCMP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 230 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}, 231 /* AP multicast TKIP */ { 232 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 233 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 234 /* STA TKIP */ { TI_OK, TWD_CIPHER_TKIP, TWD_CIPHER_TKIP ,7}, 235 /* STA AES */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 236 /* STA CCMP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 237 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}, 238 /* AP multicast WRAP */ { 239 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 240 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 241 /* STA TKIP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 242 /* STA AES */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 243 /* STA CCMP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 244 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}, 245 /* AP multicast CCMP */ { 246 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 247 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 248 /* STA TKIP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 249 /* STA AES */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 250 /* STA CCMP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 251 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}, 252 /* AP multicast WEP104 */ { 253 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 254 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 255 /* STA TKIP */ { TI_OK, TWD_CIPHER_TKIP, TWD_CIPHER_WEP104 ,4}, 256 /* STA AES */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 257 /* STA CCMP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 258 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}}, 259 /* AP unicast AES_WRAP */ { 260 /* AP multicast NONE */ { 261 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 262 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 263 /* STA TKIP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 264 /* STA AES */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 265 /* STA CCMP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 266 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}, 267 /* AP multicast WEP40 */ { 268 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 269 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 270 /* STA TKIP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 271 /* STA AES */ { TI_OK, TWD_CIPHER_AES_WRAP, TWD_CIPHER_WEP ,5}, 272 /* STA CCMP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 273 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}, 274 /* AP multicast TKIP */ { 275 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 276 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 277 /* STA TKIP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 278 /* STA AES */ { TI_OK, TWD_CIPHER_AES_WRAP, TWD_CIPHER_TKIP ,6}, 279 /* STA CCMP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 280 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}, 281 /* AP multicast WRAP */ { 282 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 283 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 284 /* STA TKIP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 285 /* STA AES */ { TI_OK, TWD_CIPHER_AES_WRAP, TWD_CIPHER_AES_WRAP ,8}, 286 /* STA CCMP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 287 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}, 288 /* AP multicast CCMP */ { 289 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 290 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 291 /* STA TKIP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 292 /* STA AES */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 293 /* STA CCMP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 294 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}, 295 /* AP multicast WEP104 */ { 296 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 297 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 298 /* STA TKIP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 299 /* STA AES */ { TI_OK, TWD_CIPHER_AES_WRAP, TWD_CIPHER_WEP104 ,5}, 300 /* STA CCMP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 301 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}}, 302 /* AP unicast AES_CCMP */ { 303 /* AP multicast NONE */ { 304 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 305 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 306 /* STA TKIP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 307 /* STA AES */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 308 /* STA CCMP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 309 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}, 310 /* AP multicast WEP */ { 311 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 312 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 313 /* STA TKIP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 314 /* STA AES */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 315 /* STA CCMP */ { TI_OK, TWD_CIPHER_AES_CCMP, TWD_CIPHER_WEP ,5}, 316 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}, 317 /* AP multicast TKIP */ { 318 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 319 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 320 /* STA TKIP */ { TI_OK, TWD_CIPHER_AES_CCMP, TWD_CIPHER_TKIP ,6}, 321 /* STA AES */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 322 /* STA CCMP */ { TI_OK, TWD_CIPHER_AES_CCMP, TWD_CIPHER_TKIP ,6}, 323 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}, 324 /* AP multicast WRAP */ { 325 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 326 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 327 /* STA TKIP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 328 /* STA AES */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 329 /* STA CCMP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 330 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}, 331 /* AP multicast CCMP */ { 332 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 333 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 334 /* STA TKIP */ { TI_OK, TWD_CIPHER_AES_CCMP, TWD_CIPHER_AES_CCMP ,6}, 335 /* STA AES */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 336 /* STA CCMP */ { TI_OK, TWD_CIPHER_AES_CCMP, TWD_CIPHER_AES_CCMP ,8}, 337 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}, 338 /* AP multicast WEP */ { 339 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 340 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 341 /* STA TKIP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 342 /* STA AES */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 343 /* STA CCMP */ { TI_OK, TWD_CIPHER_AES_CCMP, TWD_CIPHER_WEP104 ,5}, 344 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}}, 345 /* AP unicast WEP104 */ { 346 /* AP multicast NONE */ { 347 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 348 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 349 /* STA TKIP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 350 /* STA AES */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 351 /* STA CCMP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 352 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}, 353 /* AP multicast WEP */ { 354 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 355 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 356 /* STA TKIP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 357 /* STA AES */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 358 /* STA CCMP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 359 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}, 360 /* AP multicast TKIP */ { 361 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 362 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 363 /* STA TKIP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 364 /* STA AES */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 365 /* STA CCMP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 366 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}, 367 /* AP multicast WRAP */ { 368 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 369 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 370 /* STA TKIP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 371 /* STA AES */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 372 /* STA CCMP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 373 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}, 374 /* AP multicast CCMP */ { 375 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 376 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 377 /* STA TKIP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 378 /* STA AES */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 379 /* STA CCMP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 380 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}, 381 /* AP multicast WEP104 */ { 382 /* STA NONE */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 383 /* STA WEP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 384 /* STA TKIP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 385 /* STA AES */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 386 /* STA CCMP */ { TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}, 387 /* STA WEP104 */{ TI_NOK, TWD_CIPHER_NONE, TWD_CIPHER_NONE ,0}}} 388 389 390 }; 391 392 393 /* PMKID cache */ 394 /* static wpa2_pmkid_cache_t wpa2_pmkid_cache; */ 395 396 /* Function prototypes */ 397 398 TI_STATUS admCtrlWpa2_parseIe(admCtrl_t *pAdmCtrl, TI_UINT8 *pWpa2Ie, wpa2IeData_t *pWpa2Data); 399 TI_UINT16 admCtrlWpa2_buildCapabilities(admCtrl_t *pAdmCtrl); 400 TI_UINT32 admCtrlWpa2_parseSuiteVal(admCtrl_t *pAdmCtrl, TI_UINT8* suiteVal, TI_UINT32 maxVal, TI_UINT32 unknownVal); 401 TI_STATUS admCtrlWpa2_checkCipherSuiteValidity(ECipherSuite unicastSuite, ECipherSuite broadcastSuite, ECipherSuite encryptionStatus); 402 TI_STATUS admCtrlWpa2_getCipherSuiteMetric (admCtrl_t *pAdmCtrl, wpa2IeData_t *pWpa2Data, TI_UINT32 *metric, 403 ECipherSuite *uSuite, ECipherSuite *bSuite); 404 TI_STATUS admCtrlWpa2_DynamicConfig(admCtrl_t *pAdmCtrl, TRsnPaeConfig *pPaeConfig); 405 406 TI_STATUS admCtrlWpa2_resetPMKIDCache(admCtrl_t *pAdmCtrl); 407 /*TI_STATUS admCtrlWpa2_sendPMKIDCandListAfterDelay(admCtrl_t * pAdmCtrl, TI_UINT32 delay);*/ 408 TI_STATUS admCtrlWpa2_getPMKIDList(admCtrl_t * pAdmCtrl,OS_802_11_PMKID *pmkidList); 409 TI_STATUS admCtrlWpa2_setPMKIDList(admCtrl_t * pAdmCtrl, OS_802_11_PMKID *pmkidList); 410 411 TI_STATUS admCtrlWpa2_addPMKID(admCtrl_t * pAdmCtrl, TMacAddr * pBSSID, pmkidValue_t pmkID); 412 TI_STATUS admCtrlWpa2_findPMKID(admCtrl_t * pAdmCtrl, TMacAddr *pBSSID, 413 pmkidValue_t *pPMKID, TI_UINT8 *cacheIndex); 414 415 static TI_BOOL admCtrlWpa2_getPreAuthStatus(admCtrl_t *pAdmCtrl, TMacAddr *givenAP, TI_UINT8 *cacheIndex); 416 417 static TI_STATUS admCtrlWpa2_startPreAuth(admCtrl_t *pAdmCtrl, TBssidList4PreAuth *pBssidList); 418 419 static void admCtrlWpa2_buildAndSendPMKIDCandList(TI_HANDLE hHandle, TBssidList4PreAuth *apList); 420 421 static TI_STATUS admCtrlWpa2_get802_1x_AkmExists (admCtrl_t *pAdmCtrl, TI_BOOL *wpa_802_1x_AkmExists); 422 423 /** 424 * 425 * admCtrlWpa_config - Configure XCC admission control. 426 * 427 * \b Description: 428 * 429 * Configure XCC admission control. 430 * 431 * \b ARGS: 432 * 433 * I - pAdmCtrl - context \n 434 * 435 * \b RETURNS: 436 * 437 * TI_OK on success, TI_NOK on failure. 438 * 439 * \sa 440 */ 441 TI_STATUS admCtrlWpa2_config(admCtrl_t *pAdmCtrl) 442 { 443 TI_STATUS status; 444 TRsnPaeConfig paeConfig; 445 446 /* check and set admission control default parameters */ 447 pAdmCtrl->authSuite = RSN_AUTH_OPEN; 448 if (pAdmCtrl->unicastSuite == TWD_CIPHER_NONE) 449 { 450 pAdmCtrl->unicastSuite = TWD_CIPHER_AES_CCMP; 451 } 452 if (pAdmCtrl->broadcastSuite == TWD_CIPHER_NONE) 453 { 454 pAdmCtrl->broadcastSuite = TWD_CIPHER_AES_CCMP; 455 } 456 457 /* set callback functions (API) */ 458 pAdmCtrl->getInfoElement = admCtrlWpa2_getInfoElement; 459 pAdmCtrl->setSite = admCtrlWpa2_setSite; 460 pAdmCtrl->evalSite = admCtrlWpa2_evalSite; 461 462 pAdmCtrl->getPmkidList = admCtrlWpa2_getPMKIDList; 463 pAdmCtrl->setPmkidList = admCtrlWpa2_setPMKIDList; 464 pAdmCtrl->resetPmkidList = admCtrlWpa2_resetPMKIDCache; 465 pAdmCtrl->getPreAuthStatus = admCtrlWpa2_getPreAuthStatus; 466 pAdmCtrl->startPreAuth = admCtrlWpa2_startPreAuth; 467 pAdmCtrl->get802_1x_AkmExists = admCtrlWpa2_get802_1x_AkmExists; 468 469 /* set key management suite (AKMP) */ 470 switch (pAdmCtrl->externalAuthMode) 471 { 472 case RSN_EXT_AUTH_MODE_WPA2: 473 case RSN_EXT_AUTH_MODE_WPA2PSK: 474 pAdmCtrl->keyMngSuite = RSN_KEY_MNG_802_1X; 475 break; 476 case RSN_EXT_AUTH_MODE_WPANONE: 477 pAdmCtrl->keyMngSuite = RSN_KEY_MNG_NONE; 478 /* Not supported */ 479 default: 480 return TI_NOK; 481 } 482 483 484 paeConfig.authProtocol = pAdmCtrl->externalAuthMode; 485 paeConfig.unicastSuite = pAdmCtrl->unicastSuite; 486 paeConfig.broadcastSuite = pAdmCtrl->broadcastSuite; 487 paeConfig.keyExchangeProtocol = pAdmCtrl->keyMngSuite; 488 /* set default PAE configuration */ 489 status = pAdmCtrl->pRsn->setPaeConfig(pAdmCtrl->pRsn, &paeConfig); 490 491 return status; 492 } 493 494 495 /** 496 * 497 * admCtrlWpa2_getInfoElement - Get the current information element. 498 * 499 * \b Description: 500 * 501 * Get the current information element. 502 * 503 * \b ARGS: 504 * 505 * I - pAdmCtrl - context \n 506 * I - pIe - IE buffer \n 507 * I - pLength - length of IE \n 508 * 509 * \b RETURNS: 510 * 511 * TI_OK on success, TI_NOK on failure. 512 * 513 * \sa 514 */ 515 516 TI_STATUS admCtrlWpa2_getInfoElement(admCtrl_t *pAdmCtrl, TI_UINT8 *pIe, TI_UINT32 *pLength) 517 { 518 wpa2IePacket_t *pWpa2IePacket; 519 TI_UINT8 length = 0; 520 TMacAddr assocBssid; 521 TMacAddr pBssid; 522 pmkidValue_t pmkId; 523 TI_STATUS status; 524 TI_UINT8 index; 525 526 if (pIe==NULL) 527 { 528 *pLength = 0; 529 return TI_NOK; 530 } 531 532 /* check Group suite validity */ 533 if (!broadcastCipherSuiteValidity[pAdmCtrl->networkMode][pAdmCtrl->broadcastSuite]) 534 { 535 *pLength = 0; 536 return TI_NOK; 537 } 538 539 /* Init Wpa2 IE (RSN IE) */ 540 pWpa2IePacket = (wpa2IePacket_t*)pIe; 541 os_memoryZero(pAdmCtrl->hOs, pWpa2IePacket, sizeof(wpa2IePacket_t)); 542 /* Fill the element ID */ 543 pWpa2IePacket->elementid = RSN_IE_ID; 544 SET_WLAN_WORD(&pWpa2IePacket->version,ENDIAN_HANDLE_WORD(WPA2_OUI_MAX_VERSION)); 545 length += 2; 546 /* build group suite */ 547 os_memoryCopy(pAdmCtrl->hOs, (void *)pWpa2IePacket->groupSuite, wpa2IeOuiIe, 3); 548 pWpa2IePacket->groupSuite[3] = (TI_UINT8)pAdmCtrl->pRsn->paeConfig.broadcastSuite; 549 length += 4; 550 /* build pairwise suite - we always send only one pairwise suite */ 551 SET_WLAN_WORD(&pWpa2IePacket->pairwiseSuiteCnt,ENDIAN_HANDLE_WORD(0x0001)); 552 length += 2; 553 os_memoryCopy(pAdmCtrl->hOs, (void *)pWpa2IePacket->pairwiseSuite, wpa2IeOuiIe, 3); 554 pWpa2IePacket->pairwiseSuite[3] = (TI_UINT8)pAdmCtrl->pRsn->paeConfig.unicastSuite; 555 length += 4; 556 /* build keyMng suite - we always send only one key mgmt suite*/ 557 SET_WLAN_WORD(&pWpa2IePacket->authKeyMngSuiteCnt,ENDIAN_HANDLE_WORD(0x0001)); 558 length += 2; 559 os_memoryCopy(pAdmCtrl->hOs, (void *)pWpa2IePacket->authKeyMngSuite, wpa2IeOuiIe, 3); 560 switch (pAdmCtrl->externalAuthMode) 561 { 562 case RSN_EXT_AUTH_MODE_OPEN: 563 case RSN_EXT_AUTH_MODE_SHARED_KEY: 564 case RSN_EXT_AUTH_MODE_AUTO_SWITCH: 565 pWpa2IePacket->authKeyMngSuite[3] = WPA2_IE_KEY_MNG_NONE; 566 break; 567 case RSN_EXT_AUTH_MODE_WPA2: 568 case RSN_EXT_AUTH_MODE_WPA: /* for Any-WPA/WPA-Mixed mode */ 569 { 570 #ifdef XCC_MODULE_INCLUDED 571 TI_UINT8 akmSuite[DOT11_OUI_LEN]; 572 573 if (admCtrlXCC_getCckmAkm(pAdmCtrl, akmSuite)) 574 { 575 os_memoryCopy(pAdmCtrl->hOs, (void*)pWpa2IePacket->authKeyMngSuite, akmSuite, DOT11_OUI_LEN); 576 } 577 else 578 #endif 579 { 580 pWpa2IePacket->authKeyMngSuite[3] = WPA2_IE_KEY_MNG_801_1X; 581 } 582 } 583 break; 584 case RSN_EXT_AUTH_MODE_WPA2PSK: 585 case RSN_EXT_AUTH_MODE_WPAPSK: 586 pWpa2IePacket->authKeyMngSuite[3] = WPA2_IE_KEY_MNG_PSK_801_1X; 587 break; 588 default: 589 pWpa2IePacket->authKeyMngSuite[3] = WPA2_IE_KEY_MNG_NONE; 590 break; 591 } 592 length += 4; 593 /* build Capabilities */ 594 SET_WLAN_WORD(&pWpa2IePacket->capabilities,ENDIAN_HANDLE_WORD(admCtrlWpa2_buildCapabilities(pAdmCtrl))); 595 length += 2; 596 /* build PMKID list: we support no more than 1 PMKSA per AP, */ 597 /* so no more than 1 PMKID can be sent in the RSN IE */ 598 if(pAdmCtrl->preAuthSupport && 599 (pAdmCtrl->pRsn->paeConfig.authProtocol == RSN_EXT_AUTH_MODE_WPA2)) 600 { 601 /* Init value of PMKID count is 0 */ 602 SET_WLAN_WORD(&pWpa2IePacket->pmkIdCnt,ENDIAN_HANDLE_WORD(0)); 603 length += 2; 604 status = ctrlData_getParamBssid(pAdmCtrl->pRsn->hCtrlData, CTRL_DATA_CURRENT_BSSID_PARAM, pBssid); 605 MAC_COPY(assocBssid, pBssid); 606 TRACE0(pAdmCtrl->hReport, REPORT_SEVERITY_INFORMATION, "admCtrlWpa2_getInfoElement - find PMKID \n"); 607 status = admCtrlWpa2_findPMKID(pAdmCtrl, &assocBssid, &pmkId, &index); 608 if(status == TI_OK) 609 { 610 TRACE0(pAdmCtrl->hReport, REPORT_SEVERITY_INFORMATION, "admCtrlWpa2_getInfoElement - PMKID was found! \n"); 611 SET_WLAN_WORD(&pWpa2IePacket->pmkIdCnt,ENDIAN_HANDLE_WORD(1)); 612 os_memoryCopy(pAdmCtrl->hOs, (TI_UINT8 *)pWpa2IePacket->pmkId, 613 (TI_UINT8 *)pmkId, PMKID_VALUE_SIZE); 614 length += PMKID_VALUE_SIZE; 615 } 616 } 617 pWpa2IePacket->length = length; /* RSN IE length without IEid and length field */ 618 *pLength = length+2; /* The whole length of the RSN IE */ 619 TRACE_INFO_HEX(pAdmCtrl->hReport, pIe, *pLength); 620 return TI_OK; 621 622 } 623 /** 624 * 625 * admCtrlWpa2_setSite - Set current primary site parameters for registration. 626 * 627 * \b Description: 628 * 629 * Set current primary site parameters for registration. 630 * 631 * \b ARGS: 632 * 633 * I - pAdmCtrl - context \n 634 * I - pRsnData - site's RSN data \n 635 * O - pAssocIe - result IE of evaluation \n 636 * O - pAssocIeLen - length of result IE of evaluation \n 637 * 638 * \b RETURNS: 639 * 640 * TI_OK on site is aproved, TI_NOK on site is rejected. 641 * 642 * \sa 643 */ 644 TI_STATUS admCtrlWpa2_setSite(admCtrl_t *pAdmCtrl, TRsnData *pRsnData, TI_UINT8 *pAssocIe, TI_UINT8 *pAssocIeLen) 645 { 646 TI_STATUS status; 647 paramInfo_t *pParam; 648 TTwdParamInfo tTwdParam; 649 wpa2IeData_t wpa2Data; 650 TRsnPaeConfig paeConfig; 651 TI_UINT8 *pWpa2Ie; 652 ECipherSuite uSuite, bSuite; 653 654 *pAssocIeLen = 0; 655 656 if (pRsnData==NULL) 657 { 658 return TI_NOK; 659 } 660 661 pParam = (paramInfo_t *)os_memoryAlloc(pAdmCtrl->hOs, sizeof(paramInfo_t)); 662 if (!pParam) 663 { 664 return TI_NOK; 665 } 666 667 if (pRsnData->pIe==NULL) 668 { 669 /* configure the MLME module with the 802.11 OPEN authentication suite, 670 THe MLME will configure later the authentication module */ 671 pParam->paramType = MLME_LEGACY_TYPE_PARAM; 672 pParam->content.mlmeLegacyAuthType = AUTH_LEGACY_OPEN_SYSTEM; 673 status = mlme_setParam(pAdmCtrl->hMlme, pParam); 674 goto adm_ctrl_wpa2_end; 675 } 676 677 #ifdef XCC_MODULE_INCLUDED 678 /* Clean MIC and KP flags in the HAL. */ 679 /* It is needed if the previous privacy mode was XCC */ 680 tTwdParam.paramType = TWD_RSN_XCC_SW_ENC_ENABLE_PARAM_ID; 681 tTwdParam.content.rsnXCCSwEncFlag = TI_FALSE; 682 status = TWD_SetParam (pAdmCtrl->pRsn->hTWD, &tTwdParam); 683 684 tTwdParam.paramType = TWD_RSN_XCC_MIC_FIELD_ENABLE_PARAM_ID; 685 tTwdParam.content.rsnXCCMicFieldFlag = TI_FALSE; 686 status = TWD_SetParam (pAdmCtrl->pRsn->hTWD, &tTwdParam); 687 688 /* Check if Aironet IE exists */ 689 admCtrlXCC_setExtendedParams(pAdmCtrl, pRsnData); 690 691 #endif /*XCC_MODULE_INCLUDED*/ 692 693 status = admCtrl_parseIe(pAdmCtrl, pRsnData, &pWpa2Ie, RSN_IE_ID); 694 if (status != TI_OK) 695 { 696 goto adm_ctrl_wpa2_end; 697 } 698 TRACE0(pAdmCtrl->hReport, REPORT_SEVERITY_INFORMATION, "admCtrlWpa2_setSite: RSN_IE=\n"); 699 TRACE_INFO_HEX(pAdmCtrl->hReport, pRsnData->pIe, pRsnData->ieLen); 700 status = admCtrlWpa2_parseIe(pAdmCtrl, pWpa2Ie, &wpa2Data); 701 if (status != TI_OK) 702 { 703 goto adm_ctrl_wpa2_end; 704 } 705 if ((wpa2Data.unicastSuite[0]>=MAX_WPA2_CIPHER_SUITE) || 706 (wpa2Data.broadcastSuite>=MAX_WPA2_CIPHER_SUITE) || 707 (pAdmCtrl->unicastSuite>=MAX_WPA2_CIPHER_SUITE)) 708 { 709 status = TI_NOK; 710 goto adm_ctrl_wpa2_end; 711 } 712 /* Check validity of Group suite */ 713 if (!broadcastCipherSuiteValidity[pAdmCtrl->networkMode][wpa2Data.broadcastSuite]) 714 { /* check Group suite validity */ 715 status = TI_NOK; 716 goto adm_ctrl_wpa2_end; 717 } 718 719 status = admCtrlWpa2_getCipherSuiteMetric (pAdmCtrl, &wpa2Data, NULL, &uSuite, &bSuite); 720 if (status != TI_OK) 721 goto adm_ctrl_wpa2_end; 722 723 /* set replay counter */ 724 pAdmCtrl->replayCnt = wpa2Data.ptkReplayCounters; 725 726 *pAssocIeLen = pRsnData->ieLen; 727 if (pAssocIe != NULL) 728 { 729 os_memoryCopy(pAdmCtrl->hOs, pAssocIe, &wpa2Data, sizeof(wpa2IeData_t)); 730 } 731 732 /* re-config PAE with updated unicast and broadcast suite values */ 733 /* If STA works in WpaMixed mode/AnyWpa mode, set PAE auth. mode to WPA2 */ 734 paeConfig.authProtocol = pAdmCtrl->externalAuthMode; 735 736 if(pAdmCtrl->WPAPromoteFlags) 737 { 738 if(pAdmCtrl->externalAuthMode == RSN_EXT_AUTH_MODE_WPA) 739 paeConfig.authProtocol = RSN_EXT_AUTH_MODE_WPA2; 740 if(pAdmCtrl->externalAuthMode == RSN_EXT_AUTH_MODE_WPAPSK) 741 paeConfig.authProtocol = RSN_EXT_AUTH_MODE_WPA2PSK; 742 } 743 744 #ifdef XCC_MODULE_INCLUDED 745 pParam->paramType = XCC_CCKM_EXISTS; 746 pParam->content.XCCCckmExists = (wpa2Data.KeyMngSuite[0]==WPA2_IE_KEY_MNG_CCKM) ? TI_TRUE : TI_FALSE; 747 XCCMngr_setParam(pAdmCtrl->hXCCMngr, pParam); 748 #endif 749 750 paeConfig.keyExchangeProtocol = pAdmCtrl->keyMngSuite; 751 paeConfig.unicastSuite = uSuite; /* Updated value */ 752 paeConfig.broadcastSuite = bSuite; /* Updated value */ 753 status = admCtrlWpa2_DynamicConfig(pAdmCtrl, &paeConfig); 754 755 if (status != TI_OK) 756 { 757 goto adm_ctrl_wpa2_end; 758 } 759 760 /* Now we configure the MLME module with the 802.11 legacy authentication suite, 761 THe MLME will configure later the authentication module */ 762 pParam->paramType = MLME_LEGACY_TYPE_PARAM; 763 #ifdef XCC_MODULE_INCLUDED 764 if (pAdmCtrl->networkEapMode!=OS_XCC_NETWORK_EAP_OFF) 765 { 766 pParam->content.mlmeLegacyAuthType = AUTH_LEGACY_RESERVED1; 767 } 768 else 769 #endif 770 { 771 pParam->content.mlmeLegacyAuthType = AUTH_LEGACY_OPEN_SYSTEM; 772 } 773 status = mlme_setParam(pAdmCtrl->hMlme, pParam); 774 if (status != TI_OK) 775 { 776 goto adm_ctrl_wpa2_end; 777 } 778 779 pParam->paramType = RX_DATA_EAPOL_DESTINATION_PARAM; 780 pParam->content.rxDataEapolDestination = OS_ABS_LAYER; 781 status = rxData_setParam(pAdmCtrl->hRx, pParam); 782 if (status != TI_OK) 783 { 784 goto adm_ctrl_wpa2_end; 785 } 786 787 /* Configure privacy status in HAL so that HW is prepared to recieve keys */ 788 tTwdParam.paramType = TWD_RSN_SECURITY_MODE_PARAM_ID; 789 tTwdParam.content.rsnEncryptionStatus = (ECipherSuite)paeConfig.unicastSuite; 790 status = TWD_SetParam(pAdmCtrl->pRsn->hTWD, &tTwdParam); 791 adm_ctrl_wpa2_end: 792 os_memoryFree(pAdmCtrl->hOs, pParam, sizeof(paramInfo_t)); 793 return status; 794 } 795 796 /** 797 * 798 * admCtrlWpa_evalSite - Evaluate site for registration. 799 * 800 * \b Description: 801 * 802 * evaluate site RSN capabilities against the station's cap. 803 * If the BSS type is infrastructure, the station matches the site only if it's WEP status is same as the site 804 * In IBSS, it does not matter 805 * 806 * \b ARGS: 807 * 808 * I - pAdmCtrl - Context \n 809 * I - pRsnData - site's RSN data \n 810 * O - pEvaluation - Result of evaluation \n 811 * 812 * \b RETURNS: 813 * 814 * TI_OK 815 * 816 * \sa 817 */ 818 TI_STATUS admCtrlWpa2_evalSite(admCtrl_t *pAdmCtrl, TRsnData *pRsnData, TRsnSiteParams *pRsnSiteParams, TI_UINT32 *pEvaluation) 819 { 820 TI_STATUS status; 821 wpa2IeData_t wpa2Data; 822 TI_UINT8 *pWpa2Ie; 823 ECipherSuite uSuite, bSuite; 824 TI_UINT8 i = 0; 825 TIWLN_SIMPLE_CONFIG_MODE wscMode = TIWLN_SIMPLE_CONFIG_OFF; 826 827 *pEvaluation = 0; 828 829 if (pRsnData==NULL) 830 { 831 return TI_NOK; 832 } 833 if (pRsnData->pIe==NULL) 834 { 835 return TI_NOK; 836 } 837 838 if (pRsnSiteParams->bssType != BSS_INFRASTRUCTURE) 839 { 840 return TI_NOK; 841 } 842 843 /* Get Simple-Config state */ 844 siteMgr_getParamWSC(pAdmCtrl->pRsn->hSiteMgr, &wscMode); /* SITE_MGR_SIMPLE_CONFIG_MODE */ 845 status = admCtrl_parseIe(pAdmCtrl, pRsnData, &pWpa2Ie, RSN_IE_ID); 846 if (status != TI_OK) 847 { 848 return status; 849 } 850 TRACE0(pAdmCtrl->hReport, REPORT_SEVERITY_INFORMATION, "admCtrlWpa2_evalSite, IE=\n"); 851 852 TRACE_INFO_HEX(pAdmCtrl->hReport, pRsnData->pIe, pRsnData->ieLen); 853 854 status = admCtrlWpa2_parseIe(pAdmCtrl, pWpa2Ie, &wpa2Data); 855 if (status != TI_OK) 856 { 857 return status; 858 } 859 860 /* check keyMngSuite validity */ 861 status = TI_NOK; 862 for(i = 0; 863 (i < wpa2Data.KeyMngSuiteCnt) &&(i<MAX_WPA2_KEY_MNG_SUITES)&& (status != TI_OK); 864 i++) 865 { 866 switch (wpa2Data.KeyMngSuite[i]) 867 { 868 case WPA2_IE_KEY_MNG_NONE: 869 status = (pAdmCtrl->externalAuthMode <= RSN_EXT_AUTH_MODE_AUTO_SWITCH) ? TI_OK : TI_NOK; 870 break; 871 case WPA2_IE_KEY_MNG_801_1X: 872 #ifdef XCC_MODULE_INCLUDED 873 /* CCKM is allowed only in 802.1x auth */ 874 case WPA2_IE_KEY_MNG_CCKM: 875 #endif 876 877 if(!pAdmCtrl->WPAPromoteFlags) 878 status = (pAdmCtrl->externalAuthMode == RSN_EXT_AUTH_MODE_WPA2) ? TI_OK : TI_NOK; 879 else 880 /* Any-WPA mode is supported */ 881 status = ((pAdmCtrl->externalAuthMode == RSN_EXT_AUTH_MODE_WPA2) || 882 (pAdmCtrl->externalAuthMode == RSN_EXT_AUTH_MODE_WPA)) ? TI_OK : TI_NOK; 883 break; 884 case WPA2_IE_KEY_MNG_PSK_801_1X: 885 if(!pAdmCtrl->WPAPromoteFlags) 886 status = (pAdmCtrl->externalAuthMode == RSN_EXT_AUTH_MODE_WPA2PSK) ? TI_OK : TI_NOK; 887 else 888 /* Any-WPA mode is supported */ 889 status = ((pAdmCtrl->externalAuthMode == RSN_EXT_AUTH_MODE_WPA2PSK) || 890 (wscMode && (pAdmCtrl->externalAuthMode == RSN_EXT_AUTH_MODE_WPA)) || 891 (pAdmCtrl->externalAuthMode == RSN_EXT_AUTH_MODE_WPAPSK)) ? TI_OK : TI_NOK; 892 893 if ((status == TI_NOK) && (wpa2Data.KeyMngSuiteCnt > 1) && (wpa2Data.KeyMngSuite[1] == WPA2_IE_KEY_MNG_801_1X) && (pAdmCtrl->externalAuthMode == RSN_EXT_AUTH_MODE_WPA2)) 894 { 895 TRACE0(pAdmCtrl->hReport, REPORT_SEVERITY_INFORMATION, "Overriding AKM suite evaluation for simple-config\n"); 896 status = TI_OK; 897 } 898 break; 899 default: 900 TRACE1(pAdmCtrl->hReport, REPORT_SEVERITY_ERROR, "admCtrlWpa2_evalSite, default, wpa2Data.KeyMngSuite[i]=%d \n",wpa2Data.KeyMngSuite[i]); 901 status = TI_NOK; 902 break; 903 } 904 } 905 906 if (status != TI_OK) 907 { 908 TRACE3(pAdmCtrl->hReport, REPORT_SEVERITY_ERROR, "admCtrlWpa2_evalSite, status=%d, externalAuthMode=%d, WPAPromoteFlags=%d \n", status, pAdmCtrl->externalAuthMode, pAdmCtrl->WPAPromoteFlags); 909 return status; 910 } 911 912 /* Check cipher suite validity */ 913 if(admCtrlWpa2_getCipherSuiteMetric(pAdmCtrl, &wpa2Data, pEvaluation, &uSuite, &bSuite) != TI_OK) 914 return TI_NOK; 915 916 /* Check privacy bit if not in mixed mode */ 917 if (!pAdmCtrl->mixedMode) 918 { /* There's no mixed mode, so make sure that the privacy Bit matches the privacy mode*/ 919 if (((pRsnData->privacy) && (uSuite == TWD_CIPHER_NONE)) || 920 ((!pRsnData->privacy) && (uSuite > TWD_CIPHER_NONE))) 921 { 922 *pEvaluation = 0; 923 TRACE2(pAdmCtrl->hReport, REPORT_SEVERITY_INFORMATION, "admCtrlWpa2_evalSite, mixedMode is TI_FALSE, privacy=%d, uSuite=%d\n", pRsnData->privacy, uSuite); 924 return TI_NOK; 925 } 926 } 927 928 /* always return TI_OK */ 929 return TI_OK; 930 } 931 932 933 /** 934 * 935 * admCtrlWpa2_parseIe - Parse an WPA information element. 936 * 937 * \b Description: 938 * 939 * Parse an WPA information element. 940 * Builds a structure of the unicast adn broadcast cihper suites, 941 * the key management suite and the capabilities. 942 * 943 * \b ARGS: 944 * 945 * I - pAdmCtrl - pointer to admCtrl context 946 * I - pWpa2Ie - pointer to WPA IE (RSN IE) buffer \n 947 * O - pWpa2Data - WPA2 IE (RSN IE) structure after parsing 948 * 949 * 950 * \b RETURNS: 951 * 952 * TI_OK on success, TI_NOK on failure. 953 * 954 * \sa 955 */ 956 TI_STATUS admCtrlWpa2_parseIe(admCtrl_t *pAdmCtrl, TI_UINT8 *pWpa2Ie, wpa2IeData_t *pWpa2Data) 957 { 958 dot11_RSN_t *wpa2Ie = (dot11_RSN_t *)pWpa2Ie; 959 TI_UINT16 temp2bytes =0, capabilities; 960 TI_UINT8 dataOffset = 0, i = 0, j = 0, curKeyMngSuite = 0; 961 ECipherSuite curCipherSuite = TWD_CIPHER_NONE; 962 963 TRACE0(pAdmCtrl->hReport, REPORT_SEVERITY_INFORMATION, "Wpa2_IE: DEBUG: admCtrlWpa2_parseIe\n\n"); 964 965 if ((pWpa2Data == NULL) || (pWpa2Ie == NULL)) 966 { 967 return TI_NOK; 968 } 969 970 COPY_WLAN_WORD(&temp2bytes, wpa2Ie->rsnIeData); 971 dataOffset += 2; 972 973 /* Check the header fields and the version */ 974 if((wpa2Ie->hdr[0] != RSN_IE_ID) || (wpa2Ie->hdr[1] < WPA2_IE_MIN_LENGTH) || 975 (temp2bytes != WPA2_OUI_MAX_VERSION)) 976 { 977 TRACE3(pAdmCtrl->hReport, REPORT_SEVERITY_ERROR, "Wpa2_ParseIe Error: length=0x%x, elementid=0x%x, version=0x%x\n", wpa2Ie->hdr[1], wpa2Ie->hdr[0], temp2bytes); 978 979 return TI_NOK; 980 } 981 982 983 /* Set default values */ 984 os_memoryZero(pAdmCtrl->hOs, pWpa2Data, sizeof(wpa2IeData_t)); 985 986 pWpa2Data->broadcastSuite = TWD_CIPHER_AES_CCMP; 987 pWpa2Data->unicastSuiteCnt = 1; 988 pWpa2Data->unicastSuite[0] = TWD_CIPHER_AES_CCMP; 989 pWpa2Data->KeyMngSuiteCnt = 1; 990 pWpa2Data->KeyMngSuite[0] = WPA2_IE_KEY_MNG_801_1X; 991 992 /* If we've reached the end of the received RSN IE */ 993 if(wpa2Ie->hdr[1] < WPA2_IE_GROUP_SUITE_LENGTH) 994 return TI_OK; 995 996 /* Processing of Group Suite field - 4 bytes*/ 997 pWpa2Data->broadcastSuite = (ECipherSuite)admCtrlWpa2_parseSuiteVal(pAdmCtrl, (TI_UINT8 *)wpa2Ie->rsnIeData + dataOffset, 998 TWD_CIPHER_WEP104, TWD_CIPHER_UNKNOWN); 999 dataOffset +=4; 1000 TRACE1(pAdmCtrl->hReport, REPORT_SEVERITY_INFORMATION, "Wpa2_IE: GroupSuite %x \n", pWpa2Data->broadcastSuite); 1001 1002 1003 /* Processing of Pairwise (Unicast) Cipher Suite - 2 bytes counter and list of 4-byte entries */ 1004 if(wpa2Ie->hdr[1] < WPA2_IE_MIN_PAIRWISE_SUITE_LENGTH) 1005 return TI_OK; 1006 1007 COPY_WLAN_WORD(&pWpa2Data->unicastSuiteCnt, wpa2Ie->rsnIeData + dataOffset); 1008 dataOffset += 2; 1009 1010 if(pWpa2Data->unicastSuiteCnt > UNICAST_CIPHER_MAXNO_IN_RSNIE) 1011 { 1012 /* something wrong in the RSN IE */ 1013 TRACE1(pAdmCtrl->hReport, REPORT_SEVERITY_ERROR, "Wpa2_ParseIe Error: Pairwise cipher suite count is %d \n", pWpa2Data->unicastSuiteCnt); 1014 return TI_NOK; 1015 } 1016 1017 /* Get unicast cipher suites */ 1018 for(i = 0; i < pWpa2Data->unicastSuiteCnt; i++) 1019 { 1020 curCipherSuite = (ECipherSuite)admCtrlWpa2_parseSuiteVal(pAdmCtrl, (TI_UINT8 *)wpa2Ie->rsnIeData + dataOffset, 1021 TWD_CIPHER_WEP104, TWD_CIPHER_UNKNOWN); 1022 if(curCipherSuite == TWD_CIPHER_NONE) 1023 curCipherSuite = pWpa2Data->broadcastSuite; 1024 1025 pWpa2Data->unicastSuite[i] = curCipherSuite; 1026 dataOffset +=4; 1027 1028 TRACE1(pAdmCtrl->hReport, REPORT_SEVERITY_INFORMATION, "Wpa_IE: unicast suite %x \n", curCipherSuite); 1029 } 1030 1031 /* Sort all the unicast suites supported by the AP in the decreasing order */ 1032 /* (so the best cipher suite will be the first) */ 1033 if(pWpa2Data->unicastSuiteCnt > 1) 1034 { 1035 for(i = 0; i < (pWpa2Data->unicastSuiteCnt -1); i ++) 1036 { 1037 for(j = 0; j < i; j ++) 1038 { 1039 if(pWpa2Data->unicastSuite[j] > pWpa2Data->unicastSuite[j + 1]) 1040 { 1041 curCipherSuite = pWpa2Data->unicastSuite[j]; 1042 pWpa2Data->unicastSuite[j] = pWpa2Data->unicastSuite[j+1]; 1043 pWpa2Data->unicastSuite[j+1] = curCipherSuite; 1044 } 1045 } 1046 } 1047 } 1048 1049 /* If we've reached the end of the received RSN IE */ 1050 if (wpa2Ie->hdr[1] == dataOffset) 1051 return TI_OK; 1052 1053 /* KeyMng Suite */ 1054 COPY_WLAN_WORD(&(pWpa2Data->KeyMngSuiteCnt), wpa2Ie->rsnIeData + dataOffset); 1055 1056 dataOffset += 2; 1057 pAdmCtrl->wpaAkmExists = TI_FALSE; 1058 for(i = 0; i < pWpa2Data->KeyMngSuiteCnt; i++) 1059 { 1060 #ifdef XCC_MODULE_INCLUDED 1061 curKeyMngSuite = admCtrlXCC_parseCckmSuiteVal4Wpa2(pAdmCtrl, (TI_UINT8 *)(wpa2Ie->rsnIeData + dataOffset)); 1062 if (curKeyMngSuite == WPA2_IE_KEY_MNG_CCKM) 1063 { /* CCKM is the maximum AKM */ 1064 pWpa2Data->KeyMngSuite[i] = curKeyMngSuite; 1065 } 1066 else 1067 #endif 1068 { 1069 curKeyMngSuite = admCtrlWpa2_parseSuiteVal(pAdmCtrl, (TI_UINT8 *)wpa2Ie->rsnIeData + dataOffset, 1070 WPA2_IE_KEY_MNG_PSK_801_1X, WPA2_IE_KEY_MNG_NA); 1071 } 1072 1073 1074 TRACE1(pAdmCtrl->hReport, REPORT_SEVERITY_INFORMATION, "Wpa2_IE: authKeyMng %x \n", curKeyMngSuite); 1075 1076 if ((curKeyMngSuite != WPA2_IE_KEY_MNG_NA) && 1077 (curKeyMngSuite != WPA2_IE_KEY_MNG_CCKM)) 1078 { 1079 pWpa2Data->KeyMngSuite[i] = curKeyMngSuite; 1080 } 1081 1082 if (curKeyMngSuite==WPA2_IE_KEY_MNG_801_1X) 1083 { /* If 2 AKM exist, save also the second priority */ 1084 pAdmCtrl->wpaAkmExists = TI_TRUE; 1085 } 1086 1087 dataOffset += 4; 1088 1089 /* Include all AP key management supported suites in the wpaData structure */ 1090 pWpa2Data->KeyMngSuite[i+1] = curKeyMngSuite; 1091 } 1092 1093 /* If we've reached the end of the received RSN IE */ 1094 if (wpa2Ie->hdr[1] == dataOffset) 1095 return TI_OK; 1096 1097 /* Parse capabilities */ 1098 COPY_WLAN_WORD(&capabilities, wpa2Ie->rsnIeData + dataOffset); 1099 pWpa2Data->bcastForUnicatst = (TI_UINT8)(capabilities & WPA2_GROUP_4_UNICAST_CAPABILITY_MASK)>> 1100 WPA2_GROUP_4_UNICAST_CAPABILITY_SHIFT; 1101 pWpa2Data->ptkReplayCounters = (TI_UINT8)(capabilities & WPA2_PTK_REPLAY_COUNTERS_CAPABILITY_MASK)>> 1102 WPA2_PTK_REPLAY_COUNTERS_CAPABILITY_SHIFT; 1103 1104 switch (pWpa2Data->ptkReplayCounters) 1105 { 1106 case 0: pWpa2Data->ptkReplayCounters=1; 1107 break; 1108 case 1: pWpa2Data->ptkReplayCounters=2; 1109 break; 1110 case 2: pWpa2Data->ptkReplayCounters=4; 1111 break; 1112 case 3: pWpa2Data->ptkReplayCounters=16; 1113 break; 1114 default: pWpa2Data->ptkReplayCounters=1; 1115 break; 1116 } 1117 pWpa2Data->gtkReplayCounters = (TI_UINT8)(capabilities & 1118 WPA2_GTK_REPLAY_COUNTERS_CAPABILITY_MASK) >> 1119 WPA2_GTK_REPLAY_COUNTERS_CAPABILITY_SHIFT; 1120 switch (pWpa2Data->gtkReplayCounters) 1121 { 1122 case 0: pWpa2Data->gtkReplayCounters=1; 1123 break; 1124 case 1: pWpa2Data->gtkReplayCounters=2; 1125 break; 1126 case 2: pWpa2Data->gtkReplayCounters=4; 1127 break; 1128 case 3: pWpa2Data->gtkReplayCounters=16; 1129 break; 1130 default: pWpa2Data->gtkReplayCounters=1; 1131 break; 1132 } 1133 1134 pWpa2Data->preAuthentication = (TI_UINT8)(capabilities & WPA2_PRE_AUTH_CAPABILITY_MASK); 1135 1136 TRACE5(pAdmCtrl->hReport, REPORT_SEVERITY_INFORMATION, "Wpa2_IE: capabilities %x, preAuthentication = %x, bcastForUnicatst %x, ptk = %x, gtk = %x\n", capabilities, pWpa2Data->preAuthentication, pWpa2Data->bcastForUnicatst, pWpa2Data->ptkReplayCounters, pWpa2Data->gtkReplayCounters); 1137 1138 return TI_OK; 1139 1140 } 1141 1142 1143 TI_UINT16 admCtrlWpa2_buildCapabilities(admCtrl_t *pAdmCtrl) 1144 { 1145 TI_UINT16 capabilities = 0; 1146 TI_UINT16 replayCnt; 1147 1148 1149 /* Bit 0 - Pre-authentication is set to 0 */ 1150 /* when RSN IE is sent from a STA (in assoc request) */ 1151 1152 /* Bit1: group key for unicast is set to 0*/ 1153 1154 /* Bits 2&3: PTKSA Replay counter; bits 4&5 GTKSA replay Counters */ 1155 switch (pAdmCtrl->replayCnt) 1156 { 1157 case 1: replayCnt=0; 1158 break; 1159 case 2: replayCnt=1; 1160 break; 1161 case 4: replayCnt=2; 1162 break; 1163 case 16: replayCnt=3; 1164 break; 1165 default: replayCnt=0; 1166 break; 1167 } 1168 1169 capabilities |= replayCnt << WPA2_PTK_REPLAY_COUNTERS_CAPABILITY_SHIFT; 1170 capabilities |= replayCnt << WPA2_GTK_REPLAY_COUNTERS_CAPABILITY_SHIFT; 1171 1172 return capabilities; 1173 1174 } 1175 1176 1177 TI_UINT32 admCtrlWpa2_parseSuiteVal(admCtrl_t *pAdmCtrl, TI_UINT8* suiteVal, TI_UINT32 maxVal, TI_UINT32 unknownVal) 1178 { 1179 TI_UINT32 suite; 1180 1181 if ((pAdmCtrl==NULL) || (suiteVal==NULL)) 1182 { 1183 return TWD_CIPHER_UNKNOWN; 1184 } 1185 if (!os_memoryCompare(pAdmCtrl->hOs, suiteVal, wpa2IeOuiIe, 3)) 1186 { 1187 suite = (ECipherSuite)((suiteVal[3]<=maxVal) ? suiteVal[3] : unknownVal); 1188 } else 1189 { 1190 suite = unknownVal; 1191 } 1192 return suite; 1193 1194 } 1195 1196 1197 TI_STATUS admCtrlWpa2_checkCipherSuiteValidity (ECipherSuite unicastSuite, ECipherSuite broadcastSuite, ECipherSuite encryptionStatus) 1198 { 1199 ECipherSuite maxCipher; 1200 1201 maxCipher = (unicastSuite>=broadcastSuite) ? unicastSuite : broadcastSuite ; 1202 if (maxCipher != encryptionStatus) 1203 { 1204 return TI_NOK; 1205 } 1206 if ((unicastSuite != TWD_CIPHER_NONE) && (broadcastSuite>unicastSuite)) 1207 { 1208 return TI_NOK; 1209 } 1210 return TI_OK; 1211 } 1212 1213 TI_STATUS admCtrlWpa2_getCipherSuiteMetric (admCtrl_t *pAdmCtrl, wpa2IeData_t *pWpa2Data, TI_UINT32 *metric, 1214 ECipherSuite *uSuite, ECipherSuite *bSuite) 1215 { 1216 ECipherSuite encryption = TWD_CIPHER_NONE; 1217 ECipherSuite unicastSuite = TWD_CIPHER_NONE, brdcstSuite = TWD_CIPHER_NONE; 1218 admCtrlWpa2_validity_t admCtrlWpa2_validity; 1219 TI_UINT32 maxMetric = 0, index = 0; 1220 TI_STATUS status = TI_NOK; 1221 1222 /* Set admCtrlWpa2_validity initial values */ 1223 admCtrlWpa2_validity = admCtrlWpa2_validityTable[TWD_CIPHER_NONE][TWD_CIPHER_NONE][TWD_CIPHER_NONE]; 1224 1225 /* Check validity of configured encryption (cipher) and validity of */ 1226 /* promoted cipher (in case of AnyWPA (WPAmixed mode)) */ 1227 pAdmCtrl->getCipherSuite(pAdmCtrl, &encryption); 1228 TRACE1(pAdmCtrl->hReport, REPORT_SEVERITY_INFORMATION , "admCtrlWpa2_getCipherSuiteMetric, encryption=%d\n", encryption); 1229 1230 while(encryption != TWD_CIPHER_NONE) 1231 { 1232 for (index=0; index<pWpa2Data->unicastSuiteCnt; index++) 1233 { 1234 admCtrlWpa2_validity = 1235 admCtrlWpa2_validityTable[pWpa2Data->unicastSuite[index]][pWpa2Data->broadcastSuite][encryption]; 1236 if (admCtrlWpa2_validity.status == TI_OK) 1237 { 1238 TRACE1(pAdmCtrl->hReport, REPORT_SEVERITY_INFORMATION , "admCtrlWpa2_getCipherSuiteMetric, break: validity.evaluation=%d\n", admCtrlWpa2_validity.evaluation); 1239 break; 1240 } 1241 } 1242 1243 if ((admCtrlWpa2_validity.status == TI_OK) && (admCtrlWpa2_validity.evaluation > maxMetric)) 1244 { 1245 TRACE2(pAdmCtrl->hReport, REPORT_SEVERITY_INFORMATION , "admCtrlWpa2_getCipherSuiteMetric, validity.evaluation=%d, maxMetric=%d\n", admCtrlWpa2_validity.evaluation, maxMetric); 1246 1247 maxMetric = admCtrlWpa2_validity.evaluation; 1248 status = admCtrlWpa2_validity.status; 1249 unicastSuite = admCtrlWpa2_validity.unicast; 1250 brdcstSuite = admCtrlWpa2_validity.broadcast; 1251 } 1252 1253 if((pAdmCtrl->WPAPromoteFlags & ADMCTRL_WPA_OPTION_ENABLE_PROMOTE_CIPHER) && 1254 (encryption != TWD_CIPHER_AES_CCMP)) 1255 encryption = TWD_CIPHER_AES_CCMP; 1256 else 1257 encryption = TWD_CIPHER_NONE; 1258 1259 } /* End of "while encryption" stmt */ 1260 1261 if(metric) 1262 *metric = maxMetric; 1263 1264 if(uSuite) 1265 *uSuite = unicastSuite; 1266 1267 if(bSuite) 1268 *bSuite = brdcstSuite; 1269 1270 return status; 1271 } 1272 1273 1274 /** 1275 * 1276 * admCtrlWpa2_DynamicConfig - Dynamic setting of WPA2 config parameters. 1277 * 1278 * \b Description: 1279 * 1280 * Sets WPA2 callback procedures and PAE configuration parameters. 1281 * This procedure is similar to admCtrlWpa2_Config procedure. 1282 * The main difference is that admCtrlWpa2_Config sets the DEFAULT VALUES 1283 * of the configuration parameters and so it should be called during 1284 * initialization of the driver code or when Auth mode or Encryption status 1285 * parameters are beeing set. 1286 * admCtrlWpa2_DynamicConfig set the updated values of WPA2 configuration 1287 * parameters which gets after negotiation with an AP. So the procedure 1288 * should be called during setSite stage. 1289 * 1290 * \b ARGS: 1291 * 1292 * I - pAdmCtrl - pointer to admCtrl context 1293 * I - pPaeConfig - pointer to PAE structure 1294 * 1295 * \b RETURNS: 1296 * 1297 * TI_OK on success, TI_NOK on failure. 1298 * 1299 * \sa 1300 */ 1301 1302 TI_STATUS admCtrlWpa2_DynamicConfig(admCtrl_t *pAdmCtrl, TRsnPaeConfig *pPaeConfig) 1303 { 1304 TI_STATUS status = TI_OK; 1305 1306 /* Set those WPA2 params and callback procedures used after setSite stage */ 1307 pAdmCtrl->getInfoElement = admCtrlWpa2_getInfoElement; 1308 1309 pAdmCtrl->getPmkidList = admCtrlWpa2_getPMKIDList; 1310 pAdmCtrl->setPmkidList = admCtrlWpa2_setPMKIDList; 1311 pAdmCtrl->resetPmkidList = admCtrlWpa2_resetPMKIDCache; 1312 pAdmCtrl->getPreAuthStatus = admCtrlWpa2_getPreAuthStatus; 1313 pAdmCtrl->startPreAuth = admCtrlWpa2_startPreAuth; 1314 1315 /* set key management suite */ 1316 switch (pAdmCtrl->externalAuthMode) 1317 { 1318 case RSN_EXT_AUTH_MODE_WPA2: 1319 case RSN_EXT_AUTH_MODE_WPA2PSK: 1320 pAdmCtrl->keyMngSuite = RSN_KEY_MNG_802_1X; 1321 break; 1322 case RSN_EXT_AUTH_MODE_WPA: /* It is any-WPA (WPA-mixed mode ) */ 1323 case RSN_EXT_AUTH_MODE_WPAPSK: 1324 pAdmCtrl->keyMngSuite = RSN_KEY_MNG_802_1X; 1325 break; 1326 case RSN_EXT_AUTH_MODE_WPANONE: 1327 pAdmCtrl->keyMngSuite = RSN_KEY_MNG_NONE; 1328 /* Not supported */ 1329 default: 1330 return TI_NOK; 1331 } 1332 1333 /* Config PAE (if needed) */ 1334 if(pPaeConfig) 1335 status = pAdmCtrl->pRsn->setPaeConfig(pAdmCtrl->pRsn, pPaeConfig); 1336 1337 return status; 1338 } 1339 1340 1341 1342 1343 /** 1344 * 1345 * admCtrlWpa2_findPMKID 1346 * 1347 * \b Description: 1348 * 1349 * Retrieve an AP's PMKID (if exist) 1350 1351 * \b ARGS: 1352 * 1353 * I - pAdmCtrl - pointer to admCtrl context 1354 * I - pBSSID - pointer to AP's BSSID address 1355 * O - pmkID - pointer to AP's PMKID (if it is NULL ptr, only 1356 * cache index will be returned to the caller) 1357 * O - cacheIndex - index of the cache table entry containing the 1358 bssid 1359 * 1360 * \b RETURNS: 1361 * 1362 * TI_OK on success, TI_NOK on failure. 1363 * 1364 * \sa 1365 */ 1366 TI_STATUS admCtrlWpa2_findPMKID (admCtrl_t * pAdmCtrl, TMacAddr *pBSSID, 1367 pmkidValue_t *pPMKID, TI_UINT8 *cacheIndex) 1368 { 1369 1370 TI_UINT8 i = 0; 1371 TI_BOOL found = TI_FALSE; 1372 TMacAddr entryMac; 1373 TI_STATUS status = TI_NOK; 1374 1375 while(!found && (i < ADMCTRL_PMKID_CACHE_SIZE) && 1376 (i <= pAdmCtrl->pmkid_cache.entriesNumber)) 1377 { 1378 MAC_COPY (entryMac, pAdmCtrl->pmkid_cache.pmkidTbl[i].bssId); 1379 if (MAC_EQUAL (entryMac, *pBSSID)) 1380 { 1381 found = TI_TRUE; 1382 *cacheIndex = i; 1383 if(pPMKID) 1384 { 1385 os_memoryCopy(pAdmCtrl->hOs, (void*)pPMKID, 1386 pAdmCtrl->pmkid_cache.pmkidTbl[i].pmkId, 1387 PMKID_VALUE_SIZE); 1388 } 1389 } 1390 i++; 1391 } 1392 1393 if(found) 1394 status = TI_OK; 1395 1396 return status; 1397 1398 } 1399 1400 1401 /** 1402 * 1403 * admCtrlWpa2_getPMKIDList 1404 * 1405 * \b Description: 1406 * 1407 * Returns content of the PMKID cache 1408 * 1409 * \b ARGS: 1410 * 1411 * I - pAdmCtrl - pointer to admCtrl context 1412 * O - pmkidList - memory buffer where the procedure writes the PMKIDs 1413 * Supplied by the caller procedure. . 1414 * 1415 * \b RETURNS: 1416 * 1417 * TI_OK on success, TI_NOK on failure. 1418 * 1419 * \sa 1420 */ 1421 TI_STATUS admCtrlWpa2_getPMKIDList (admCtrl_t * pAdmCtrl,OS_802_11_PMKID *pmkidList) 1422 { 1423 1424 TI_UINT8 neededLength, i = 0; 1425 TI_UINT8 NumOfEntries = pAdmCtrl->pmkid_cache.entriesNumber; 1426 TI_UINT8 *bssid, *pmkid; 1427 1428 if(!pAdmCtrl->preAuthSupport) 1429 return PARAM_NOT_SUPPORTED; 1430 1431 /* Check the buffer length */ 1432 if(NumOfEntries > 1) 1433 neededLength = 30 + ((NumOfEntries - 1) * (MAC_ADDR_LEN + PMKID_VALUE_SIZE)); 1434 else 1435 neededLength = 30; 1436 1437 if(neededLength > pmkidList->Length) 1438 { 1439 /* The buffer length is not enough */ 1440 pmkidList->Length = neededLength; 1441 return TI_NOK; 1442 } 1443 1444 /* The buffer is big enough. Fill the info */ 1445 pmkidList->Length = neededLength; 1446 pmkidList->BSSIDInfoCount = NumOfEntries; 1447 1448 TRACE1(pAdmCtrl->hReport, REPORT_SEVERITY_INFORMATION, "RSN: Get PMKID cache. Number of entries = %d \n", NumOfEntries); 1449 1450 for (i = 0; i < NumOfEntries; i++ ) 1451 { 1452 bssid = (TI_UINT8 *) pAdmCtrl->pmkid_cache.pmkidTbl[i].bssId; 1453 pmkid = (TI_UINT8 *)pAdmCtrl->pmkid_cache.pmkidTbl[i].pmkId; 1454 1455 MAC_COPY(pmkidList->osBSSIDInfo[i].BSSID, bssid); 1456 1457 os_memoryCopy(pAdmCtrl->hOs, 1458 (void *)pmkidList->osBSSIDInfo[i].PMKID, 1459 &pmkid, 1460 PMKID_VALUE_SIZE); 1461 1462 TRACE22(pAdmCtrl->hReport, REPORT_SEVERITY_INFORMATION, "RSN: BSSID: %.2X-%.2X-%.2X-%.2X-%.2X-%.2X PMKID: %.2X %.2X %.2X %.2X %.2X %.2X %.2X %.2X %.2X %.2X %.2X %.2X %.2X %.2X %.2X %.2X \n", bssid[0], bssid[1], bssid[2], bssid[3], bssid[4], bssid[5], pmkid[0], pmkid[1], pmkid[2], pmkid[3], pmkid[4], pmkid[5], pmkid[6], pmkid[7], pmkid[8], pmkid[9], pmkid[10],pmkid[11], pmkid[12],pmkid[13],pmkid[14],pmkid[15]); 1463 } 1464 1465 return TI_OK; 1466 1467 } 1468 1469 /** 1470 * 1471 * admCtrlWpa2_addPMKID 1472 * 1473 * \b Description: 1474 * 1475 * Add/Set an AP's PMKID received from the Supplicant 1476 * 1477 * \b ARGS: 1478 * 1479 * I - pAdmCtrl - pointer to admCtrl context 1480 * I - pBSSID - pointer to AP's BSSID address 1481 * I - pmkID - AP's PMKID 1482 * 1483 * \b RETURNS: 1484 * 1485 * TI_OK on success, TI_NOK on failure. 1486 * 1487 * \sa 1488 */ 1489 TI_STATUS admCtrlWpa2_addPMKID (admCtrl_t * pAdmCtrl, TMacAddr *pBSSID, pmkidValue_t pmkID) 1490 { 1491 TI_UINT8 cacheIndex; 1492 TI_STATUS status = TI_NOK; 1493 1494 /* Try to find the pBSSId in the PMKID cache */ 1495 status = admCtrlWpa2_findPMKID (pAdmCtrl, pBSSID, NULL, &cacheIndex); 1496 1497 if(status == TI_OK) 1498 { 1499 /* Entry for the bssid has been found; Update PMKID */ 1500 os_memoryCopy(pAdmCtrl->hOs, 1501 (void*)&pAdmCtrl->pmkid_cache.pmkidTbl[cacheIndex].pmkId, 1502 pmkID, PMKID_VALUE_SIZE); 1503 /*pAdmCtrl->pmkid_cache.pmkidTbl[cacheIndex].generationTs = os_timeStampMs(pAdmCtrl->hOs); */ 1504 } 1505 else 1506 { 1507 /* The new entry is added to the next free entry. */ 1508 /* Copy the new entry to the next free place. */ 1509 cacheIndex = pAdmCtrl->pmkid_cache.nextFreeEntry; 1510 MAC_COPY (pAdmCtrl->pmkid_cache.pmkidTbl[cacheIndex].bssId, *pBSSID); 1511 os_memoryCopy(pAdmCtrl->hOs, 1512 (void*)&pAdmCtrl->pmkid_cache.pmkidTbl[cacheIndex].pmkId, 1513 (void*)pmkID, 1514 PMKID_VALUE_SIZE); 1515 1516 /* Update the next free entry index. (If the table is full, a new entry */ 1517 /* will override the oldest entries from the beginning of the table) */ 1518 /* Update the number of entries. (it cannot be more than max cach size) */ 1519 pAdmCtrl->pmkid_cache.nextFreeEntry = (cacheIndex + 1) % ADMCTRL_PMKID_CACHE_SIZE; 1520 1521 if(pAdmCtrl->pmkid_cache.entriesNumber < ADMCTRL_PMKID_CACHE_SIZE) 1522 pAdmCtrl->pmkid_cache.entriesNumber ++; 1523 } 1524 1525 TRACE1(pAdmCtrl->hReport, REPORT_SEVERITY_INFORMATION, "RSN Add PMKID Entry index is %d \n", cacheIndex); 1526 TRACE22(pAdmCtrl->hReport, REPORT_SEVERITY_INFORMATION, "RSN: BSSID: %.2X-%.2X-%.2X-%.2X-%.2X-%.2X PMKID: %.2X %.2X %.2X %.2X %.2X %.2X %.2X %.2X %.2X %.2X %.2X %.2X %.2X %.2X %.2X %.2X \n", (*pBSSID)[0], (*pBSSID)[1], (*pBSSID)[2], (*pBSSID)[3], (*pBSSID)[4], (*pBSSID)[5], pmkID[0], pmkID[1], pmkID[2], pmkID[3], pmkID[4], pmkID[5], pmkID[6], pmkID[7], pmkID[8], pmkID[9], pmkID[10],pmkID[11], pmkID[12],pmkID[13],pmkID[14],pmkID[15]); 1527 1528 1529 1530 return TI_OK; 1531 } 1532 1533 /** 1534 * 1535 * admCtrlWpa2_setPMKIDList 1536 * 1537 * \b Description: 1538 * 1539 * Set PMKID cache 1540 * 1541 * \b ARGS: 1542 * 1543 * I - pAdmCtrl - pointer to admCtrl context 1544 * O - pmkidList - memory buffer where the procedure reads the PMKIDs from 1545 * Supplied by the caller procedure. 1546 * \b RETURNS: 1547 * 1548 * TI_OK on success, TI_NOK on failure. 1549 * 1550 * \sa 1551 */ 1552 TI_STATUS admCtrlWpa2_setPMKIDList (admCtrl_t * pAdmCtrl, OS_802_11_PMKID *pmkidList) 1553 { 1554 TI_UINT8 neededLength, i = 0; 1555 TI_UINT8 NumOfEntries; 1556 TMacAddr macAddr; 1557 1558 /* Check the minimal buffer length */ 1559 if (pmkidList->Length < 2*sizeof(TI_UINT32)) 1560 { 1561 TRACE1(pAdmCtrl->hReport, REPORT_SEVERITY_INFORMATION, "RSN: Set PMKID list - Buffer size < min length (8 bytes). Supplied length is %d .\n", pmkidList->Length); 1562 return TI_NOK; 1563 } 1564 1565 /* Check the num of entries in the buffer: if 0 it means that */ 1566 /* PMKID cache has to be cleaned */ 1567 if(pmkidList->BSSIDInfoCount == 0) 1568 { 1569 admCtrlWpa2_resetPMKIDCache(pAdmCtrl); 1570 return TI_OK; 1571 } 1572 1573 /* Check the buffer length */ 1574 NumOfEntries = (TI_UINT8)pmkidList->BSSIDInfoCount; 1575 neededLength = 2*sizeof(TI_UINT32) + (NumOfEntries *(MAC_ADDR_LEN + PMKID_VALUE_SIZE)); 1576 1577 if(pmkidList->Length < neededLength) 1578 { 1579 /* Something wrong goes with the buffer */ 1580 TRACE3(pAdmCtrl->hReport, REPORT_SEVERITY_INFORMATION, "RSN: Set PMKID list - no enough room for %d entries Needed length is %d. Supplied length is %d .\n", NumOfEntries, neededLength,pmkidList->Length); 1581 return TI_NOK; 1582 } 1583 1584 /* Write the PMKID to the PMKID cashe */ 1585 pmkidList->BSSIDInfoCount = NumOfEntries; 1586 for (i = 0; i < NumOfEntries; i++ ) 1587 { 1588 MAC_COPY (macAddr, pmkidList->osBSSIDInfo[i].BSSID); 1589 1590 TRACE0(pAdmCtrl->hReport, REPORT_SEVERITY_INFORMATION , "admCtrlWpa2_setPMKIDList: Received new pre-auth AP\n"); 1591 if (pAdmCtrl->numberOfPreAuthCandidates) 1592 { 1593 pAdmCtrl->numberOfPreAuthCandidates--; 1594 if (pAdmCtrl->numberOfPreAuthCandidates == 0) 1595 { 1596 TRACE0(pAdmCtrl->hReport, REPORT_SEVERITY_INFORMATION , "Stopping the Pre-Auth timer since Pre-auth is finished\n"); 1597 tmr_StopTimer (pAdmCtrl->hPreAuthTimerWpa2); 1598 /* Send PRE-AUTH end event to External Application */ 1599 admCtrl_notifyPreAuthStatus (pAdmCtrl, RSN_PRE_AUTH_END); 1600 } 1601 1602 TRACE1(pAdmCtrl->hReport, REPORT_SEVERITY_INFORMATION , "admCtrlWpa2_setPMKIDList: %d APs left in candidate list\n",pAdmCtrl->numberOfPreAuthCandidates); 1603 1604 } 1605 else 1606 { 1607 TRACE0(pAdmCtrl->hReport, REPORT_SEVERITY_WARNING , "admCtrlWpa2_setPMKIDList: number of candidates was already zero...\n"); 1608 } 1609 admCtrlWpa2_addPMKID(pAdmCtrl,&macAddr, (TI_UINT8 *)pmkidList->osBSSIDInfo[i].PMKID); 1610 } 1611 1612 return TI_OK; 1613 1614 } 1615 1616 /** 1617 * 1618 * admCtrlWpa2_resetPMKIDCache 1619 * 1620 * \b Description: 1621 * 1622 * Reset PMKID Table 1623 * 1624 * \b ARGS: 1625 * 1626 * I - pAdmCtrl - pointer to admCtrl context 1627 * 1628 * \b RETURNS: 1629 * 1630 * TI_OK on success, TI_NOK on failure. 1631 * 1632 * \sa 1633 */ 1634 TI_STATUS admCtrlWpa2_resetPMKIDCache (admCtrl_t *pAdmCtrl) 1635 { 1636 1637 TRACE1(pAdmCtrl->hReport, REPORT_SEVERITY_INFORMATION, "RSN: Reset PMKID cache. %d entries are deleted. \n", pAdmCtrl->pmkid_cache.entriesNumber); 1638 1639 os_memoryZero(pAdmCtrl->hOs, (void*)&pAdmCtrl->pmkid_cache, sizeof(pmkid_cache_t)); 1640 1641 return TI_OK; 1642 } 1643 1644 1645 /** 1646 * 1647 * admCtrlWpa2_sendPMKIDCandidateListAfterDelay 1648 * 1649 * \b Description: 1650 * 1651 * New Candidate List of APs with the same SSID as the STA is connected to 1652 * is generated and sent after the delay to the supplicant 1653 * in order to retrieve the new PMKIDs for the APs. 1654 * 1655 * \b ARGS: 1656 * I - pAdmCtrl - pointer to admCtrl context 1657 * 1658 * \b RETURNS: 1659 * 1660 * TI_OK on success, TI_NOK on failure. 1661 * 1662 * \sa 1663 */ 1664 1665 static void admCtrlWpa2_buildAndSendPMKIDCandList (TI_HANDLE hHandle, TBssidList4PreAuth *apList) 1666 { 1667 1668 admCtrl_t *pAdmCtrl = (admCtrl_t *)hHandle; 1669 TI_UINT8 candIndex =0, apIndex = 0, size =0; 1670 paramInfo_t *pParam; 1671 OS_802_11_PMKID_CANDIDATELIST *pCandList; 1672 TI_UINT8 memBuff[PMKID_CAND_LIST_MEMBUFF_SIZE + sizeof(TI_UINT32)]; 1673 dot11_RSN_t *rsnIE = 0; 1674 wpa2IeData_t wpa2Data; 1675 TI_STATUS status = TI_NOK; 1676 1677 pParam = (paramInfo_t *)os_memoryAlloc(pAdmCtrl->hOs, sizeof(paramInfo_t)); 1678 if (!pParam) 1679 { 1680 return; 1681 } 1682 1683 /* Get SSID that the STA is accociated with */ 1684 pParam->paramType = SME_DESIRED_SSID_ACT_PARAM; 1685 status = sme_GetParam (pAdmCtrl->pRsn->hSmeSm, pParam); 1686 if(status != TI_OK) { 1687 os_memoryFree(pAdmCtrl->hOs, pParam, sizeof(paramInfo_t)); 1688 return; 1689 } 1690 1691 /* If the existing PMKID cache contains information for not relevant */ 1692 /* ssid (i.e. ssid was changed), clean up the PMKID cache and update */ 1693 /* the ssid in the PMKID cache */ 1694 if ((pAdmCtrl->pmkid_cache.ssid.len != pParam->content.smeDesiredSSID.len) || 1695 (os_memoryCompare(pAdmCtrl->hOs, (TI_UINT8 *)pAdmCtrl->pmkid_cache.ssid.str, 1696 (TI_UINT8 *)pParam->content.smeDesiredSSID.str, 1697 pAdmCtrl->pmkid_cache.ssid.len) != 0)) 1698 { 1699 admCtrlWpa2_resetPMKIDCache(pAdmCtrl); 1700 1701 os_memoryCopy(pAdmCtrl->hOs, (void *)pAdmCtrl->pmkid_cache.ssid.str, 1702 (void *)pParam->content.smeDesiredSSID.str, 1703 pParam->content.siteMgrCurrentSSID.len); 1704 pAdmCtrl->pmkid_cache.ssid.len = pParam->content.smeDesiredSSID.len; 1705 } 1706 1707 /* Get list of APs of the SSID that the STA is associated with*/ 1708 /*os_memoryZero(pAdmCtrl->hOs, (void*)&apList, sizeof(bssidListBySsid_t)); 1709 status = siteMgr_GetApListBySsid (pAdmCtrl->pRsn->hSiteMgr, 1710 ¶m.content.siteMgrCurrentSSID, 1711 &apList); 1712 */ 1713 os_memoryFree(pAdmCtrl->hOs, pParam, sizeof(paramInfo_t)); 1714 if((apList == NULL) || (apList->NumOfItems == 0)) 1715 return; 1716 1717 TRACE0(pAdmCtrl->hReport, REPORT_SEVERITY_INFORMATION, "admCtrlWpa2_buildAndSendPMKIDCandList - Entry \n"); 1718 1719 /* fill the PMKID candidate list */ 1720 pCandList = (OS_802_11_PMKID_CANDIDATELIST *)(memBuff + sizeof(TI_UINT32)); 1721 pCandList->Version = 1; 1722 for (apIndex=0; apIndex<pAdmCtrl->pmkid_cache.entriesNumber; apIndex++) 1723 { 1724 pAdmCtrl->pmkid_cache.pmkidTbl[apIndex].preAuthenticate = TI_FALSE; 1725 } 1726 1727 /* Go over AP list and find APs supporting pre-authentication */ 1728 for(apIndex = 0; apIndex < apList->NumOfItems; apIndex++) 1729 { 1730 TI_UINT8 *bssidMac, i = 0; 1731 1732 status = TI_NOK; 1733 1734 if (apList->bssidList[apIndex].pRsnIEs==NULL) 1735 { 1736 continue; 1737 } 1738 /* Check is there RSN IE in this site */ 1739 rsnIE = 0; 1740 while( !rsnIE && (i < MAX_RSN_IE)) 1741 { 1742 if(apList->bssidList[apIndex].pRsnIEs[i].hdr[0] == RSN_IE_ID) 1743 { 1744 rsnIE = &apList->bssidList[apIndex].pRsnIEs[i]; 1745 status = TI_OK; 1746 } 1747 i ++; 1748 } 1749 if (rsnIE) 1750 { 1751 TRACE1(pAdmCtrl->hReport, REPORT_SEVERITY_INFORMATION, "admCtrlWpa2_buildAndSendPMKIDCandList - rsnIE-hdr.eleId = %x \n", rsnIE->hdr[0]); 1752 } 1753 1754 if(status == TI_OK) 1755 status = admCtrlWpa2_parseIe(pAdmCtrl, (TI_UINT8 *)rsnIE, &wpa2Data); 1756 1757 TRACE1(pAdmCtrl->hReport, REPORT_SEVERITY_INFORMATION, "admCtrlWpa2_buildAndSendPMKIDCandList - parseIe status = %d \n", status); 1758 if(status == TI_OK) 1759 { 1760 TI_BOOL preAuthStatus; 1761 TI_UINT8 cacheIndex; 1762 1763 preAuthStatus = admCtrlWpa2_getPreAuthStatus(pAdmCtrl, &apList->bssidList[apIndex].bssId, &cacheIndex); 1764 1765 TRACE1(pAdmCtrl->hReport, REPORT_SEVERITY_INFORMATION, "admCtrlWpa2_buildAndSendPMKIDCandList, preAuthStatus=%d \n", preAuthStatus); 1766 1767 if (preAuthStatus) 1768 { 1769 pAdmCtrl->pmkid_cache.pmkidTbl[cacheIndex].preAuthenticate = TI_TRUE; 1770 } 1771 1772 bssidMac = (TI_UINT8 *)apList->bssidList[apIndex].bssId; 1773 MAC_COPY (pCandList->CandidateList[candIndex].BSSID, bssidMac); 1774 1775 if(pAdmCtrl->preAuthSupport && (wpa2Data.preAuthentication)) 1776 { 1777 pCandList->CandidateList[candIndex].Flags = 1778 OS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLE; 1779 } 1780 else 1781 { 1782 pCandList->CandidateList[candIndex].Flags = 0; 1783 1784 } 1785 1786 TRACE8(pAdmCtrl->hReport, REPORT_SEVERITY_INFORMATION, "RSN: Candidate [%d] is %.2X-%.2X-%.2X-%.2X-%.2X-%.2X , Flags=0x%x\n", candIndex, bssidMac[0], bssidMac[1], bssidMac[2], bssidMac[3], bssidMac[4], bssidMac[5], pCandList->CandidateList[candIndex].Flags); 1787 1788 candIndex ++; 1789 } 1790 1791 } 1792 /* Add candidates that have valid PMKID, but were not in the list */ 1793 for (apIndex=0; apIndex<pAdmCtrl->pmkid_cache.entriesNumber; apIndex++) 1794 { 1795 if (!pAdmCtrl->pmkid_cache.pmkidTbl[apIndex].preAuthenticate) 1796 { 1797 MAC_COPY (pCandList->CandidateList[candIndex].BSSID, 1798 pAdmCtrl->pmkid_cache.pmkidTbl[apIndex].bssId); 1799 pCandList->CandidateList[apIndex].Flags = 1800 OS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLE; 1801 candIndex++; 1802 } 1803 } 1804 1805 1806 pCandList->NumCandidates = candIndex; 1807 1808 1809 /* Send Status Media specific indication to OS */ 1810 size = sizeof(OS_802_11_PMKID_CANDIDATELIST) + 1811 (candIndex - 1) * sizeof(OS_802_11_PMKID_CANDIDATE) + sizeof(TI_UINT32); 1812 1813 /* Fill type of indication */ 1814 *(TI_UINT32*)memBuff = os802_11StatusType_PMKID_CandidateList; 1815 1816 pCandList->NumCandidates = candIndex; 1817 1818 /* Store the number of candidates sent - needed for pre-auth finish event */ 1819 pAdmCtrl->numberOfPreAuthCandidates = candIndex; 1820 /* Start the pre-authentication finish event timer */ 1821 /* If the pre-authentication process is not over by the time it expires - we send an event */ 1822 TRACE1(pAdmCtrl->hReport, REPORT_SEVERITY_INFORMATION , "Starting PREAUTH timer (%d mSec)\n",pAdmCtrl->preAuthTimeout*candIndex); 1823 tmr_StartTimer (pAdmCtrl->hPreAuthTimerWpa2, 1824 admCtrlWpa2_preAuthTimerExpire, 1825 (TI_HANDLE)pAdmCtrl, 1826 pAdmCtrl->preAuthTimeout * candIndex, 1827 TI_FALSE); 1828 1829 EvHandlerSendEvent(pAdmCtrl->hEvHandler, IPC_EVENT_MEDIA_SPECIFIC, 1830 memBuff, size); 1831 1832 /* Send PRE-AUTH start event to External Application */ 1833 admCtrl_notifyPreAuthStatus (pAdmCtrl, RSN_PRE_AUTH_START); 1834 TRACE1(pAdmCtrl->hReport, REPORT_SEVERITY_INFORMATION, "RSN: PMKID Candidate List with %d entries has been built and sent for ssid \n", candIndex); 1835 return; 1836 } 1837 1838 /** 1839 * 1840 * admCtrlWpa2_getPreAuthStatus 1841 * 1842 * \b Description: 1843 * 1844 * Returns the status of the Pre Auth for the BSSID. If the authentictaion mode 1845 * is not WPA2, then TI_FALSE will be returned. 1846 * For WPA2 mode, if PMKID exists fro the BSSID and its liftime is valid 1847 * TI_TRUE will be returned. 1848 * Otherwise TI_FALSE. 1849 * 1850 * 1851 * 1852 * \b ARGS: 1853 * I - pAdmCtrl - pointer to admCtrl context 1854 * I - givenAP - required BSSID 1855 * 1856 * \b RETURNS: 1857 * 1858 * TI_OK on success, TI_NOK on failure. 1859 * 1860 * \sa 1861 */ 1862 static TI_BOOL admCtrlWpa2_getPreAuthStatus(admCtrl_t *pAdmCtrl, TMacAddr *givenAP, TI_UINT8 *cacheIndex) 1863 { 1864 pmkidValue_t PMKID; 1865 1866 if (admCtrlWpa2_findPMKID (pAdmCtrl, givenAP, 1867 &PMKID, cacheIndex)!=TI_OK) 1868 { 1869 return TI_FALSE; 1870 } 1871 return TI_TRUE; 1872 1873 } 1874 1875 static TI_STATUS admCtrlWpa2_startPreAuth(admCtrl_t *pAdmCtrl, TBssidList4PreAuth *pBssidList) 1876 { 1877 1878 admCtrlWpa2_buildAndSendPMKIDCandList (pAdmCtrl, pBssidList); 1879 return TI_OK; 1880 } 1881 1882 static TI_STATUS admCtrlWpa2_get802_1x_AkmExists (admCtrl_t *pAdmCtrl, TI_BOOL *wpa_802_1x_AkmExists) 1883 { 1884 *wpa_802_1x_AkmExists = pAdmCtrl->wpaAkmExists; 1885 return TI_OK; 1886 } 1887 1888 1889 1890 /*----------------------------------------------------------------------------- 1891 Routine Name: admCtrlWpa2_preAuthTimerExpire 1892 Routine Description: updates the preAuthStatus 1893 Arguments: 1894 Return Value: 1895 -----------------------------------------------------------------------------*/ 1896 void admCtrlWpa2_preAuthTimerExpire(TI_HANDLE hAdmCtrl, TI_BOOL bTwdInitOccured) 1897 { 1898 admCtrl_t *pAdmCtrl = (admCtrl_t *)hAdmCtrl; 1899 TRACE0(pAdmCtrl->hReport, REPORT_SEVERITY_WARNING , "admCtrlWpa2_preAuthTimerExpire: PREAUTH EXPIRED !!!!!!!!"); 1900 /* Send PRE-AUTH end event to External Application */ 1901 admCtrl_notifyPreAuthStatus (pAdmCtrl, RSN_PRE_AUTH_END); 1902 pAdmCtrl->numberOfPreAuthCandidates = 0; 1903 return; 1904 } 1905 1906
