1 /* 2 * Copyright 2001 The Aerospace Corporation. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 3. The name of The Aerospace Corporation may not be used to endorse or 13 * promote products derived from this software. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AEROSPACE CORPORATION ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AEROSPACE CORPORATION BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD$ 28 */ 29 30 /*- 31 * Copyright (c) 1997, 1998, 2000 The NetBSD Foundation, Inc. 32 * All rights reserved. 33 * 34 * This code is derived from software contributed to The NetBSD Foundation 35 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 36 * NASA Ames Research Center. 37 * 38 * Redistribution and use in source and binary forms, with or without 39 * modification, are permitted provided that the following conditions 40 * are met: 41 * 1. Redistributions of source code must retain the above copyright 42 * notice, this list of conditions and the following disclaimer. 43 * 2. Redistributions in binary form must reproduce the above copyright 44 * notice, this list of conditions and the following disclaimer in the 45 * documentation and/or other materials provided with the distribution. 46 * 3. All advertising materials mentioning features or use of this software 47 * must display the following acknowledgement: 48 * This product includes software developed by the NetBSD 49 * Foundation, Inc. and its contributors. 50 * 4. Neither the name of The NetBSD Foundation nor the names of its 51 * contributors may be used to endorse or promote products derived 52 * from this software without specific prior written permission. 53 * 54 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 55 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 56 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 57 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 58 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 59 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 60 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 61 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 62 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 63 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 64 * POSSIBILITY OF SUCH DAMAGE. 65 */ 66 67 #include <sys/param.h> 68 #include <sys/ioctl.h> 69 #include <sys/socket.h> 70 #include <sys/sysctl.h> 71 #include <sys/time.h> 72 73 #include <net/ethernet.h> 74 #include <net/if.h> 75 #include <net/if_dl.h> 76 #include <net/if_types.h> 77 #include <net/route.h> 78 #include <net80211/ieee80211.h> 79 #include <net80211/ieee80211_ioctl.h> 80 81 #include <ctype.h> 82 #include <err.h> 83 #include <errno.h> 84 #include <fcntl.h> 85 #include <stdio.h> 86 #include <stdlib.h> 87 #include <string.h> 88 #include <unistd.h> 89 90 #include "ifconfig.h" 91 92 static void set80211(int s, int type, int val, int len, u_int8_t *data); 93 static const char *get_string(const char *val, const char *sep, 94 u_int8_t *buf, int *lenp); 95 static void print_string(const u_int8_t *buf, int len); 96 97 void 98 set80211ssid(const char *val, int d, int s, const struct afswtch *rafp) 99 { 100 int ssid; 101 int len; 102 u_int8_t data[33]; 103 104 ssid = 0; 105 len = sizeof(val); 106 if (len > 2 && isdigit(val[0]) && val[1] == ':') { 107 ssid = atoi(val)-1; 108 val += 2; 109 } 110 111 bzero(data, sizeof(data)); 112 len = sizeof(data); 113 get_string(val, NULL, data, &len); 114 115 set80211(s, IEEE80211_IOC_SSID, ssid, len, data); 116 } 117 118 void 119 set80211stationname(const char *val, int d, int s, const struct afswtch *rafp) 120 { 121 int len; 122 u_int8_t data[33]; 123 124 bzero(data, sizeof(data)); 125 len = sizeof(data); 126 get_string(val, NULL, data, &len); 127 128 set80211(s, IEEE80211_IOC_STATIONNAME, 0, len, data); 129 } 130 131 void 132 set80211channel(const char *val, int d, int s, const struct afswtch *rafp) 133 { 134 if (strcmp(val, "-") == 0) 135 set80211(s, IEEE80211_IOC_CHANNEL, IEEE80211_CHAN_ANY, 0, NULL); 136 else 137 set80211(s, IEEE80211_IOC_CHANNEL, atoi(val), 0, NULL); 138 } 139 140 void 141 set80211authmode(const char *val, int d, int s, const struct afswtch *rafp) 142 { 143 int mode; 144 145 if (strcasecmp(val, "none") == 0) { 146 mode = IEEE80211_AUTH_NONE; 147 } else if (strcasecmp(val, "open") == 0) { 148 mode = IEEE80211_AUTH_OPEN; 149 } else if (strcasecmp(val, "shared") == 0) { 150 mode = IEEE80211_AUTH_SHARED; 151 } else { 152 err(1, "unknown authmode"); 153 } 154 155 set80211(s, IEEE80211_IOC_AUTHMODE, mode, 0, NULL); 156 } 157 158 void 159 set80211powersavemode(const char *val, int d, int s, const struct afswtch *rafp) 160 { 161 int mode; 162 163 if (strcasecmp(val, "off") == 0) { 164 mode = IEEE80211_POWERSAVE_OFF; 165 } else if (strcasecmp(val, "on") == 0) { 166 mode = IEEE80211_POWERSAVE_ON; 167 } else if (strcasecmp(val, "cam") == 0) { 168 mode = IEEE80211_POWERSAVE_CAM; 169 } else if (strcasecmp(val, "psp") == 0) { 170 mode = IEEE80211_POWERSAVE_PSP; 171 } else if (strcasecmp(val, "psp-cam") == 0) { 172 mode = IEEE80211_POWERSAVE_PSP_CAM; 173 } else { 174 err(1, "unknown powersavemode"); 175 } 176 177 set80211(s, IEEE80211_IOC_POWERSAVE, mode, 0, NULL); 178 } 179 180 void 181 set80211powersave(const char *val, int d, int s, const struct afswtch *rafp) 182 { 183 if (d == 0) 184 set80211(s, IEEE80211_IOC_POWERSAVE, IEEE80211_POWERSAVE_OFF, 185 0, NULL); 186 else 187 set80211(s, IEEE80211_IOC_POWERSAVE, IEEE80211_POWERSAVE_ON, 188 0, NULL); 189 } 190 191 void 192 set80211powersavesleep(const char *val, int d, int s, const struct afswtch *rafp) 193 { 194 set80211(s, IEEE80211_IOC_POWERSAVESLEEP, atoi(val), 0, NULL); 195 } 196 197 void 198 set80211wepmode(const char *val, int d, int s, const struct afswtch *rafp) 199 { 200 int mode; 201 202 if (strcasecmp(val, "off") == 0) { 203 mode = IEEE80211_WEP_OFF; 204 } else if (strcasecmp(val, "on") == 0) { 205 mode = IEEE80211_WEP_ON; 206 } else if (strcasecmp(val, "mixed") == 0) { 207 mode = IEEE80211_WEP_MIXED; 208 } else { 209 err(1, "unknown wep mode"); 210 } 211 212 set80211(s, IEEE80211_IOC_WEP, mode, 0, NULL); 213 } 214 215 void 216 set80211wep(const char *val, int d, int s, const struct afswtch *rafp) 217 { 218 set80211(s, IEEE80211_IOC_WEP, d, 0, NULL); 219 } 220 221 void 222 set80211weptxkey(const char *val, int d, int s, const struct afswtch *rafp) 223 { 224 set80211(s, IEEE80211_IOC_WEPTXKEY, atoi(val)-1, 0, NULL); 225 } 226 227 void 228 set80211wepkey(const char *val, int d, int s, const struct afswtch *rafp) 229 { 230 int key = 0; 231 int len; 232 u_int8_t data[14]; 233 234 if (isdigit(val[0]) && val[1] == ':') { 235 key = atoi(val)-1; 236 val += 2; 237 } 238 239 bzero(data, sizeof(data)); 240 len = sizeof(data); 241 get_string(val, NULL, data, &len); 242 243 set80211(s, IEEE80211_IOC_WEPKEY, key, len, data); 244 } 245 246 /* 247 * This function is purly a NetBSD compatability interface. The NetBSD 248 * iterface is too inflexable, but it's there so we'll support it since 249 * it's not all that hard. 250 */ 251 void 252 set80211nwkey(const char *val, int d, int s, const struct afswtch *rafp) 253 { 254 int txkey; 255 int i, len; 256 u_int8_t data[14]; 257 258 set80211(s, IEEE80211_IOC_WEP, IEEE80211_WEP_ON, 0, NULL); 259 260 if (isdigit(val[0]) && val[1] == ':') { 261 txkey = val[0]-'0'-1; 262 val += 2; 263 264 for (i = 0; i < 4; i++) { 265 bzero(data, sizeof(data)); 266 len = sizeof(data); 267 val = get_string(val, ",", data, &len); 268 269 set80211(s, IEEE80211_IOC_WEPKEY, i, len, data); 270 } 271 } else { 272 bzero(data, sizeof(data)); 273 len = sizeof(data); 274 get_string(val, NULL, data, &len); 275 txkey = 0; 276 277 set80211(s, IEEE80211_IOC_WEPKEY, 0, len, data); 278 279 bzero(data, sizeof(data)); 280 for (i = 1; i < 4; i++) 281 set80211(s, IEEE80211_IOC_WEPKEY, i, 0, data); 282 } 283 284 set80211(s, IEEE80211_IOC_WEPTXKEY, txkey, 0, NULL); 285 } 286 287 void 288 ieee80211_status (int s, struct rt_addrinfo *info __unused) 289 { 290 int i; 291 int num; 292 struct ieee80211req ireq; 293 u_int8_t data[32]; 294 char spacer; 295 296 (void) memset(&ireq, 0, sizeof(ireq)); 297 (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); 298 ireq.i_data = &data; 299 300 ireq.i_type = IEEE80211_IOC_SSID; 301 ireq.i_val = -1; 302 if (ioctl(s, SIOCG80211, &ireq) < 0) { 303 /* If we can't get the SSID, the this isn't an 802.11 device. */ 304 return; 305 } 306 printf("\tssid "); 307 print_string(data, ireq.i_len); 308 num = 0; 309 ireq.i_type = IEEE80211_IOC_NUMSSIDS; 310 if (ioctl(s, SIOCG80211, &ireq) >= 0) { 311 num = ireq.i_val; 312 } 313 ireq.i_type = IEEE80211_IOC_SSID; 314 for (ireq.i_val = 0; ireq.i_val < num; ireq.i_val++) { 315 if (ioctl(s, SIOCG80211, &ireq) >= 0 && ireq.i_len > 0) { 316 printf(" %d:", ireq.i_val + 1); 317 print_string(data, ireq.i_len); 318 } 319 } 320 printf("\n"); 321 322 ireq.i_type = IEEE80211_IOC_STATIONNAME; 323 if (ioctl(s, SIOCG80211, &ireq) != -1) { 324 printf("\tstationname "); 325 print_string(data, ireq.i_len); 326 printf("\n"); 327 } 328 329 ireq.i_type = IEEE80211_IOC_CHANNEL; 330 if (ioctl(s, SIOCG80211, &ireq) < 0) { 331 goto end; 332 } 333 printf("\tchannel %d", ireq.i_val); 334 335 ireq.i_type = IEEE80211_IOC_AUTHMODE; 336 if (ioctl(s, SIOCG80211, &ireq) != -1) { 337 printf(" authmode"); 338 switch (ireq.i_val) { 339 case IEEE80211_AUTH_NONE: 340 printf(" NONE"); 341 break; 342 case IEEE80211_AUTH_OPEN: 343 printf(" OPEN"); 344 break; 345 case IEEE80211_AUTH_SHARED: 346 printf(" SHARED"); 347 break; 348 default: 349 printf(" UNKNOWN"); 350 break; 351 } 352 } 353 354 ireq.i_type = IEEE80211_IOC_POWERSAVE; 355 if (ioctl(s, SIOCG80211, &ireq) != -1 && 356 ireq.i_val != IEEE80211_POWERSAVE_NOSUP ) { 357 printf(" powersavemode"); 358 switch (ireq.i_val) { 359 case IEEE80211_POWERSAVE_OFF: 360 printf(" OFF"); 361 break; 362 case IEEE80211_POWERSAVE_CAM: 363 printf(" CAM"); 364 break; 365 case IEEE80211_POWERSAVE_PSP: 366 printf(" PSP"); 367 break; 368 case IEEE80211_POWERSAVE_PSP_CAM: 369 printf(" PSP-CAM"); 370 break; 371 } 372 373 ireq.i_type = IEEE80211_IOC_POWERSAVESLEEP; 374 if (ioctl(s, SIOCG80211, &ireq) != -1) { 375 if (ireq.i_val) 376 printf(" powersavesleep %d", ireq.i_val); 377 } 378 } 379 380 printf("\n"); 381 382 ireq.i_type = IEEE80211_IOC_WEP; 383 if (ioctl(s, SIOCG80211, &ireq) != -1 && 384 ireq.i_val != IEEE80211_WEP_NOSUP) { 385 printf("\twepmode"); 386 switch (ireq.i_val) { 387 case IEEE80211_WEP_OFF: 388 printf(" OFF"); 389 break; 390 case IEEE80211_WEP_ON: 391 printf(" ON"); 392 break; 393 case IEEE80211_WEP_MIXED: 394 printf(" MIXED"); 395 break; 396 default: 397 printf(" UNKNOWN"); 398 break; 399 } 400 401 /* 402 * If we get here then we've got WEP support so we need 403 * to print WEP status. 404 */ 405 406 ireq.i_type = IEEE80211_IOC_WEPTXKEY; 407 if (ioctl(s, SIOCG80211, &ireq) < 0) { 408 warn("WEP support, but no tx key!"); 409 goto end; 410 } 411 printf(" weptxkey %d", ireq.i_val+1); 412 413 ireq.i_type = IEEE80211_IOC_NUMWEPKEYS; 414 if (ioctl(s, SIOCG80211, &ireq) < 0) { 415 warn("WEP support, but no NUMWEPKEYS support!"); 416 goto end; 417 } 418 num = ireq.i_val; 419 420 printf("\n"); 421 422 ireq.i_type = IEEE80211_IOC_WEPKEY; 423 spacer = '\t'; 424 for (i = 0; i < num; i++) { 425 ireq.i_val = i; 426 if (ioctl(s, SIOCG80211, &ireq) < 0) { 427 warn("WEP support, but can get keys!"); 428 goto end; 429 } 430 if (ireq.i_len == 0 || ireq.i_len > 13) 431 continue; 432 printf("%cwepkey %d:%s", spacer, i+1, 433 ireq.i_len <= 5 ? "64-bit" : "128-bit"); 434 if (spacer == '\t') 435 spacer = ' '; 436 } 437 if (spacer == ' ') 438 printf("\n"); 439 } 440 441 end: 442 return; 443 } 444 445 static void 446 set80211(int s, int type, int val, int len, u_int8_t *data) 447 { 448 struct ieee80211req ireq; 449 450 (void) memset(&ireq, 0, sizeof(ireq)); 451 (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); 452 ireq.i_type = type; 453 ireq.i_val = val; 454 ireq.i_len = len; 455 ireq.i_data = data; 456 if (ioctl(s, SIOCS80211, &ireq) < 0) 457 err(1, "SIOCS80211"); 458 } 459 460 static const char * 461 get_string(const char *val, const char *sep, u_int8_t *buf, int *lenp) 462 { 463 int len; 464 int hexstr; 465 u_int8_t *p; 466 467 len = *lenp; 468 p = buf; 469 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 470 if (hexstr) 471 val += 2; 472 for (;;) { 473 if (*val == '\0') 474 break; 475 if (sep != NULL && strchr(sep, *val) != NULL) { 476 val++; 477 break; 478 } 479 if (hexstr) { 480 if (!isxdigit((u_char)val[0]) || 481 !isxdigit((u_char)val[1])) { 482 warnx("bad hexadecimal digits"); 483 return NULL; 484 } 485 } 486 if (p > buf + len) { 487 if (hexstr) 488 warnx("hexadecimal digits too long"); 489 else 490 warnx("strings too long"); 491 return NULL; 492 } 493 if (hexstr) { 494 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 495 *p++ = (tohex((u_char)val[0]) << 4) | 496 tohex((u_char)val[1]); 497 #undef tohex 498 val += 2; 499 } else 500 *p++ = *val++; 501 } 502 len = p - buf; 503 /* The string "-" is treated as the empty string. */ 504 if (!hexstr && len == 1 && buf[0] == '-') 505 len = 0; 506 if (len < *lenp) 507 memset(p, 0, *lenp - len); 508 *lenp = len; 509 return val; 510 } 511 512 static void 513 print_string(const u_int8_t *buf, int len) 514 { 515 int i; 516 int hasspc; 517 518 i = 0; 519 hasspc = 0; 520 for (; i < len; i++) { 521 if (!isprint(buf[i]) && buf[i] != '\0') 522 break; 523 if (isspace(buf[i])) 524 hasspc++; 525 } 526 if (i == len) { 527 if (hasspc || len == 0 || buf[0] == '\0') 528 printf("\"%.*s\"", len, buf); 529 else 530 printf("%.*s", len, buf); 531 } else { 532 printf("0x"); 533 for (i = 0; i < len; i++) 534 printf("%02x", buf[i]); 535 } 536 } 537 538