| 1 | /* |
| 2 | * iwinfo - Wireless Information Library - Linux Wireless Extension Headers |
| 3 | * |
| 4 | * Copyright (C) 2009-2010 Jo-Philipp Wich <xm@subsignal.org> |
| 5 | * |
| 6 | * The iwinfo library is free software: you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License version 2 |
| 8 | * as published by the Free Software Foundation. |
| 9 | * |
| 10 | * The iwinfo library 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. |
| 13 | * See the GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License along |
| 16 | * with the iwinfo library. If not, see http://www.gnu.org/licenses/. |
| 17 | */ |
| 18 | |
| 19 | #ifndef __IWINFO_WEXT_SCAN_H_ |
| 20 | #define __IWINFO_WEXT_SCAN_H_ |
| 21 | |
| 22 | #include <fcntl.h> |
| 23 | |
| 24 | #include "iwinfo.h" |
| 25 | #include "iwinfo/utils.h" |
| 26 | #include "iwinfo/api/wext.h" |
| 27 | |
| 28 | |
| 29 | typedef struct stream_descr |
| 30 | { |
| 31 | char * end; /* End of the stream */ |
| 32 | char * current; /* Current event in stream of events */ |
| 33 | char * value; /* Current value in event */ |
| 34 | } stream_descr; |
| 35 | |
| 36 | /* |
| 37 | * Describe how a standard IOCTL looks like. |
| 38 | */ |
| 39 | struct iw_ioctl_description |
| 40 | { |
| 41 | uint8_t header_type; /* NULL, iw_point or other */ |
| 42 | uint8_t token_type; /* Future */ |
| 43 | uint16_t token_size; /* Granularity of payload */ |
| 44 | uint16_t min_tokens; /* Min acceptable token number */ |
| 45 | uint16_t max_tokens; /* Max acceptable token number */ |
| 46 | uint32_t flags; /* Special handling of the request */ |
| 47 | }; |
| 48 | |
| 49 | /* Type of headers we know about (basically union iwreq_data) */ |
| 50 | #define IW_HEADER_TYPE_NULL 0 /* Not available */ |
| 51 | #define IW_HEADER_TYPE_CHAR 2 /* char [IFNAMSIZ] */ |
| 52 | #define IW_HEADER_TYPE_UINT 4 /* __u32 */ |
| 53 | #define IW_HEADER_TYPE_FREQ 5 /* struct iw_freq */ |
| 54 | #define IW_HEADER_TYPE_ADDR 6 /* struct sockaddr */ |
| 55 | #define IW_HEADER_TYPE_POINT 8 /* struct iw_point */ |
| 56 | #define IW_HEADER_TYPE_PARAM 9 /* struct iw_param */ |
| 57 | #define IW_HEADER_TYPE_QUAL 10 /* struct iw_quality */ |
| 58 | |
| 59 | /* Handling flags */ |
| 60 | /* Most are not implemented. I just use them as a reminder of some |
| 61 | * cool features we might need one day ;-) */ |
| 62 | #define IW_DESCR_FLAG_NONE 0x0000 /* Obvious */ |
| 63 | /* Wrapper level flags */ |
| 64 | #define IW_DESCR_FLAG_DUMP 0x0001 /* Not part of the dump command */ |
| 65 | #define IW_DESCR_FLAG_EVENT 0x0002 /* Generate an event on SET */ |
| 66 | #define IW_DESCR_FLAG_RESTRICT 0x0004 /* GET : request is ROOT only */ |
| 67 | /* SET : Omit payload from generated iwevent */ |
| 68 | #define IW_DESCR_FLAG_NOMAX 0x0008 /* GET : no limit on request size */ |
| 69 | /* Driver level flags */ |
| 70 | #define IW_DESCR_FLAG_WAIT 0x0100 /* Wait for driver event */ |
| 71 | |
| 72 | |
| 73 | /* |
| 74 | * Meta-data about all the standard Wireless Extension request we |
| 75 | * know about. |
| 76 | */ |
| 77 | static const struct iw_ioctl_description standard_ioctl_descr[] = { |
| 78 | [SIOCSIWCOMMIT - SIOCIWFIRST] = { |
| 79 | .header_type = IW_HEADER_TYPE_NULL, |
| 80 | }, |
| 81 | [SIOCGIWNAME - SIOCIWFIRST] = { |
| 82 | .header_type = IW_HEADER_TYPE_CHAR, |
| 83 | .flags = IW_DESCR_FLAG_DUMP, |
| 84 | }, |
| 85 | [SIOCSIWNWID - SIOCIWFIRST] = { |
| 86 | .header_type = IW_HEADER_TYPE_PARAM, |
| 87 | .flags = IW_DESCR_FLAG_EVENT, |
| 88 | }, |
| 89 | [SIOCGIWNWID - SIOCIWFIRST] = { |
| 90 | .header_type = IW_HEADER_TYPE_PARAM, |
| 91 | .flags = IW_DESCR_FLAG_DUMP, |
| 92 | }, |
| 93 | [SIOCSIWFREQ - SIOCIWFIRST] = { |
| 94 | .header_type = IW_HEADER_TYPE_FREQ, |
| 95 | .flags = IW_DESCR_FLAG_EVENT, |
| 96 | }, |
| 97 | [SIOCGIWFREQ - SIOCIWFIRST] = { |
| 98 | .header_type = IW_HEADER_TYPE_FREQ, |
| 99 | .flags = IW_DESCR_FLAG_DUMP, |
| 100 | }, |
| 101 | [SIOCSIWMODE - SIOCIWFIRST] = { |
| 102 | .header_type = IW_HEADER_TYPE_UINT, |
| 103 | .flags = IW_DESCR_FLAG_EVENT, |
| 104 | }, |
| 105 | [SIOCGIWMODE - SIOCIWFIRST] = { |
| 106 | .header_type = IW_HEADER_TYPE_UINT, |
| 107 | .flags = IW_DESCR_FLAG_DUMP, |
| 108 | }, |
| 109 | [SIOCSIWSENS - SIOCIWFIRST] = { |
| 110 | .header_type = IW_HEADER_TYPE_PARAM, |
| 111 | }, |
| 112 | [SIOCGIWSENS - SIOCIWFIRST] = { |
| 113 | .header_type = IW_HEADER_TYPE_PARAM, |
| 114 | }, |
| 115 | [SIOCSIWRANGE - SIOCIWFIRST] = { |
| 116 | .header_type = IW_HEADER_TYPE_NULL, |
| 117 | }, |
| 118 | [SIOCGIWRANGE - SIOCIWFIRST] = { |
| 119 | .header_type = IW_HEADER_TYPE_POINT, |
| 120 | .token_size = 1, |
| 121 | .max_tokens = sizeof(struct iw_range), |
| 122 | .flags = IW_DESCR_FLAG_DUMP, |
| 123 | }, |
| 124 | [SIOCSIWPRIV - SIOCIWFIRST] = { |
| 125 | .header_type = IW_HEADER_TYPE_NULL, |
| 126 | }, |
| 127 | [SIOCGIWPRIV - SIOCIWFIRST] = { /* (handled directly by us) */ |
| 128 | .header_type = IW_HEADER_TYPE_NULL, |
| 129 | }, |
| 130 | [SIOCSIWSTATS - SIOCIWFIRST] = { |
| 131 | .header_type = IW_HEADER_TYPE_NULL, |
| 132 | }, |
| 133 | [SIOCGIWSTATS - SIOCIWFIRST] = { /* (handled directly by us) */ |
| 134 | .header_type = IW_HEADER_TYPE_NULL, |
| 135 | .flags = IW_DESCR_FLAG_DUMP, |
| 136 | }, |
| 137 | [SIOCSIWSPY - SIOCIWFIRST] = { |
| 138 | .header_type = IW_HEADER_TYPE_POINT, |
| 139 | .token_size = sizeof(struct sockaddr), |
| 140 | .max_tokens = IW_MAX_SPY, |
| 141 | }, |
| 142 | [SIOCGIWSPY - SIOCIWFIRST] = { |
| 143 | .header_type = IW_HEADER_TYPE_POINT, |
| 144 | .token_size = sizeof(struct sockaddr) + |
| 145 | sizeof(struct iw_quality), |
| 146 | .max_tokens = IW_MAX_SPY, |
| 147 | }, |
| 148 | [SIOCSIWTHRSPY - SIOCIWFIRST] = { |
| 149 | .header_type = IW_HEADER_TYPE_POINT, |
| 150 | .token_size = sizeof(struct iw_thrspy), |
| 151 | .min_tokens = 1, |
| 152 | .max_tokens = 1, |
| 153 | }, |
| 154 | [SIOCGIWTHRSPY - SIOCIWFIRST] = { |
| 155 | .header_type = IW_HEADER_TYPE_POINT, |
| 156 | .token_size = sizeof(struct iw_thrspy), |
| 157 | .min_tokens = 1, |
| 158 | .max_tokens = 1, |
| 159 | }, |
| 160 | [SIOCSIWAP - SIOCIWFIRST] = { |
| 161 | .header_type = IW_HEADER_TYPE_ADDR, |
| 162 | }, |
| 163 | [SIOCGIWAP - SIOCIWFIRST] = { |
| 164 | .header_type = IW_HEADER_TYPE_ADDR, |
| 165 | .flags = IW_DESCR_FLAG_DUMP, |
| 166 | }, |
| 167 | [SIOCSIWMLME - SIOCIWFIRST] = { |
| 168 | .header_type = IW_HEADER_TYPE_POINT, |
| 169 | .token_size = 1, |
| 170 | .min_tokens = sizeof(struct iw_mlme), |
| 171 | .max_tokens = sizeof(struct iw_mlme), |
| 172 | }, |
| 173 | [SIOCGIWAPLIST - SIOCIWFIRST] = { |
| 174 | .header_type = IW_HEADER_TYPE_POINT, |
| 175 | .token_size = sizeof(struct sockaddr) + |
| 176 | sizeof(struct iw_quality), |
| 177 | .max_tokens = IW_MAX_AP, |
| 178 | .flags = IW_DESCR_FLAG_NOMAX, |
| 179 | }, |
| 180 | [SIOCSIWSCAN - SIOCIWFIRST] = { |
| 181 | .header_type = IW_HEADER_TYPE_POINT, |
| 182 | .token_size = 1, |
| 183 | .min_tokens = 0, |
| 184 | .max_tokens = sizeof(struct iw_scan_req), |
| 185 | }, |
| 186 | [SIOCGIWSCAN - SIOCIWFIRST] = { |
| 187 | .header_type = IW_HEADER_TYPE_POINT, |
| 188 | .token_size = 1, |
| 189 | .max_tokens = IW_SCAN_MAX_DATA, |
| 190 | .flags = IW_DESCR_FLAG_NOMAX, |
| 191 | }, |
| 192 | [SIOCSIWESSID - SIOCIWFIRST] = { |
| 193 | .header_type = IW_HEADER_TYPE_POINT, |
| 194 | .token_size = 1, |
| 195 | .max_tokens = IW_ESSID_MAX_SIZE + 1, |
| 196 | .flags = IW_DESCR_FLAG_EVENT, |
| 197 | }, |
| 198 | [SIOCGIWESSID - SIOCIWFIRST] = { |
| 199 | .header_type = IW_HEADER_TYPE_POINT, |
| 200 | .token_size = 1, |
| 201 | .max_tokens = IW_ESSID_MAX_SIZE + 1, |
| 202 | .flags = IW_DESCR_FLAG_DUMP, |
| 203 | }, |
| 204 | [SIOCSIWNICKN - SIOCIWFIRST] = { |
| 205 | .header_type = IW_HEADER_TYPE_POINT, |
| 206 | .token_size = 1, |
| 207 | .max_tokens = IW_ESSID_MAX_SIZE + 1, |
| 208 | }, |
| 209 | [SIOCGIWNICKN - SIOCIWFIRST] = { |
| 210 | .header_type = IW_HEADER_TYPE_POINT, |
| 211 | .token_size = 1, |
| 212 | .max_tokens = IW_ESSID_MAX_SIZE + 1, |
| 213 | }, |
| 214 | [SIOCSIWRATE - SIOCIWFIRST] = { |
| 215 | .header_type = IW_HEADER_TYPE_PARAM, |
| 216 | }, |
| 217 | [SIOCGIWRATE - SIOCIWFIRST] = { |
| 218 | .header_type = IW_HEADER_TYPE_PARAM, |
| 219 | }, |
| 220 | [SIOCSIWRTS - SIOCIWFIRST] = { |
| 221 | .header_type = IW_HEADER_TYPE_PARAM, |
| 222 | }, |
| 223 | [SIOCGIWRTS - SIOCIWFIRST] = { |
| 224 | .header_type = IW_HEADER_TYPE_PARAM, |
| 225 | }, |
| 226 | [SIOCSIWFRAG - SIOCIWFIRST] = { |
| 227 | .header_type = IW_HEADER_TYPE_PARAM, |
| 228 | }, |
| 229 | [SIOCGIWFRAG - SIOCIWFIRST] = { |
| 230 | .header_type = IW_HEADER_TYPE_PARAM, |
| 231 | }, |
| 232 | [SIOCSIWTXPOW - SIOCIWFIRST] = { |
| 233 | .header_type = IW_HEADER_TYPE_PARAM, |
| 234 | }, |
| 235 | [SIOCGIWTXPOW - SIOCIWFIRST] = { |
| 236 | .header_type = IW_HEADER_TYPE_PARAM, |
| 237 | }, |
| 238 | [SIOCSIWRETRY - SIOCIWFIRST] = { |
| 239 | .header_type = IW_HEADER_TYPE_PARAM, |
| 240 | }, |
| 241 | [SIOCGIWRETRY - SIOCIWFIRST] = { |
| 242 | .header_type = IW_HEADER_TYPE_PARAM, |
| 243 | }, |
| 244 | [SIOCSIWENCODE - SIOCIWFIRST] = { |
| 245 | .header_type = IW_HEADER_TYPE_POINT, |
| 246 | .token_size = 1, |
| 247 | .max_tokens = IW_ENCODING_TOKEN_MAX, |
| 248 | .flags = IW_DESCR_FLAG_EVENT | IW_DESCR_FLAG_RESTRICT, |
| 249 | }, |
| 250 | [SIOCGIWENCODE - SIOCIWFIRST] = { |
| 251 | .header_type = IW_HEADER_TYPE_POINT, |
| 252 | .token_size = 1, |
| 253 | .max_tokens = IW_ENCODING_TOKEN_MAX, |
| 254 | .flags = IW_DESCR_FLAG_DUMP | IW_DESCR_FLAG_RESTRICT, |
| 255 | }, |
| 256 | [SIOCSIWPOWER - SIOCIWFIRST] = { |
| 257 | .header_type = IW_HEADER_TYPE_PARAM, |
| 258 | }, |
| 259 | [SIOCGIWPOWER - SIOCIWFIRST] = { |
| 260 | .header_type = IW_HEADER_TYPE_PARAM, |
| 261 | }, |
| 262 | [SIOCSIWMODUL - SIOCIWFIRST] = { |
| 263 | .header_type = IW_HEADER_TYPE_PARAM, |
| 264 | }, |
| 265 | [SIOCGIWMODUL - SIOCIWFIRST] = { |
| 266 | .header_type = IW_HEADER_TYPE_PARAM, |
| 267 | }, |
| 268 | [SIOCSIWGENIE - SIOCIWFIRST] = { |
| 269 | .header_type = IW_HEADER_TYPE_POINT, |
| 270 | .token_size = 1, |
| 271 | .max_tokens = IW_GENERIC_IE_MAX, |
| 272 | }, |
| 273 | [SIOCGIWGENIE - SIOCIWFIRST] = { |
| 274 | .header_type = IW_HEADER_TYPE_POINT, |
| 275 | .token_size = 1, |
| 276 | .max_tokens = IW_GENERIC_IE_MAX, |
| 277 | }, |
| 278 | [SIOCSIWAUTH - SIOCIWFIRST] = { |
| 279 | .header_type = IW_HEADER_TYPE_PARAM, |
| 280 | }, |
| 281 | [SIOCGIWAUTH - SIOCIWFIRST] = { |
| 282 | .header_type = IW_HEADER_TYPE_PARAM, |
| 283 | }, |
| 284 | [SIOCSIWENCODEEXT - SIOCIWFIRST] = { |
| 285 | .header_type = IW_HEADER_TYPE_POINT, |
| 286 | .token_size = 1, |
| 287 | .min_tokens = sizeof(struct iw_encode_ext), |
| 288 | .max_tokens = sizeof(struct iw_encode_ext) + |
| 289 | IW_ENCODING_TOKEN_MAX, |
| 290 | }, |
| 291 | [SIOCGIWENCODEEXT - SIOCIWFIRST] = { |
| 292 | .header_type = IW_HEADER_TYPE_POINT, |
| 293 | .token_size = 1, |
| 294 | .min_tokens = sizeof(struct iw_encode_ext), |
| 295 | .max_tokens = sizeof(struct iw_encode_ext) + |
| 296 | IW_ENCODING_TOKEN_MAX, |
| 297 | }, |
| 298 | [SIOCSIWPMKSA - SIOCIWFIRST] = { |
| 299 | .header_type = IW_HEADER_TYPE_POINT, |
| 300 | .token_size = 1, |
| 301 | .min_tokens = sizeof(struct iw_pmksa), |
| 302 | .max_tokens = sizeof(struct iw_pmksa), |
| 303 | }, |
| 304 | }; |
| 305 | |
| 306 | /* |
| 307 | * Meta-data about all the additional standard Wireless Extension events |
| 308 | * we know about. |
| 309 | */ |
| 310 | static const struct iw_ioctl_description standard_event_descr[] = { |
| 311 | [IWEVTXDROP - IWEVFIRST] = { |
| 312 | .header_type = IW_HEADER_TYPE_ADDR, |
| 313 | }, |
| 314 | [IWEVQUAL - IWEVFIRST] = { |
| 315 | .header_type = IW_HEADER_TYPE_QUAL, |
| 316 | }, |
| 317 | [IWEVCUSTOM - IWEVFIRST] = { |
| 318 | .header_type = IW_HEADER_TYPE_POINT, |
| 319 | .token_size = 1, |
| 320 | .max_tokens = IW_CUSTOM_MAX, |
| 321 | }, |
| 322 | [IWEVREGISTERED - IWEVFIRST] = { |
| 323 | .header_type = IW_HEADER_TYPE_ADDR, |
| 324 | }, |
| 325 | [IWEVEXPIRED - IWEVFIRST] = { |
| 326 | .header_type = IW_HEADER_TYPE_ADDR, |
| 327 | }, |
| 328 | [IWEVGENIE - IWEVFIRST] = { |
| 329 | .header_type = IW_HEADER_TYPE_POINT, |
| 330 | .token_size = 1, |
| 331 | .max_tokens = IW_GENERIC_IE_MAX, |
| 332 | }, |
| 333 | [IWEVMICHAELMICFAILURE - IWEVFIRST] = { |
| 334 | .header_type = IW_HEADER_TYPE_POINT, |
| 335 | .token_size = 1, |
| 336 | .max_tokens = sizeof(struct iw_michaelmicfailure), |
| 337 | }, |
| 338 | [IWEVASSOCREQIE - IWEVFIRST] = { |
| 339 | .header_type = IW_HEADER_TYPE_POINT, |
| 340 | .token_size = 1, |
| 341 | .max_tokens = IW_GENERIC_IE_MAX, |
| 342 | }, |
| 343 | [IWEVASSOCRESPIE - IWEVFIRST] = { |
| 344 | .header_type = IW_HEADER_TYPE_POINT, |
| 345 | .token_size = 1, |
| 346 | .max_tokens = IW_GENERIC_IE_MAX, |
| 347 | }, |
| 348 | [IWEVPMKIDCAND - IWEVFIRST] = { |
| 349 | .header_type = IW_HEADER_TYPE_POINT, |
| 350 | .token_size = 1, |
| 351 | .max_tokens = sizeof(struct iw_pmkid_cand), |
| 352 | }, |
| 353 | }; |
| 354 | |
| 355 | /* Size (in bytes) of various events */ |
| 356 | static const int event_type_size[] = { |
| 357 | IW_EV_LCP_PK_LEN, /* IW_HEADER_TYPE_NULL */ |
| 358 | 0, |
| 359 | IW_EV_CHAR_PK_LEN, /* IW_HEADER_TYPE_CHAR */ |
| 360 | 0, |
| 361 | IW_EV_UINT_PK_LEN, /* IW_HEADER_TYPE_UINT */ |
| 362 | IW_EV_FREQ_PK_LEN, /* IW_HEADER_TYPE_FREQ */ |
| 363 | IW_EV_ADDR_PK_LEN, /* IW_HEADER_TYPE_ADDR */ |
| 364 | 0, |
| 365 | IW_EV_POINT_PK_LEN, /* Without variable payload */ |
| 366 | IW_EV_PARAM_PK_LEN, /* IW_HEADER_TYPE_PARAM */ |
| 367 | IW_EV_QUAL_PK_LEN, /* IW_HEADER_TYPE_QUAL */ |
| 368 | }; |
| 369 | |
| 370 | |
| 371 | static const unsigned int standard_ioctl_num = |
| 372 | (sizeof(standard_ioctl_descr) / sizeof(struct iw_ioctl_description)); |
| 373 | |
| 374 | static const unsigned int standard_event_num = |
| 375 | (sizeof(standard_event_descr) / sizeof(struct iw_ioctl_description)); |
| 376 | |
| 377 | #define IW_IE_CYPHER_NUM 8 |
| 378 | #define IW_IE_KEY_MGMT_NUM 3 |
| 379 | |
| 380 | #endif |
| 381 | |
