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wiconfig.c revision 1.12
      1 /*	$NetBSD: wiconfig.c,v 1.12 2001/05/06 03:28:57 ichiro Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1997, 1998, 1999
      5  *	Bill Paul <wpaul (at) ctr.columbia.edu>.  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  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by Bill Paul.
     18  * 4. Neither the name of the author nor the names of any co-contributors
     19  *    may be used to endorse or promote products derived from this software
     20  *    without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
     23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25  * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
     26  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     32  * THE POSSIBILITY OF SUCH DAMAGE.
     33  *
     34  *	From: Id: wicontrol.c,v 1.6 1999/05/22 16:12:49 wpaul Exp $
     35  */
     36 
     37 #include <sys/types.h>
     38 #include <sys/cdefs.h>
     39 #include <sys/param.h>
     40 #include <sys/socket.h>
     41 #include <sys/ioctl.h>
     42 #include <sys/socket.h>
     43 
     44 #include <net/if.h>
     45 #ifdef __FreeBSD__
     46 #include <net/if_var.h>
     47 #include <net/ethernet.h>
     48 
     49 #include <machine/if_wavelan_ieee.h>
     50 #else
     51 #include <netinet/in.h>
     52 #include <netinet/if_ether.h>
     53 #ifdef __NetBSD__
     54 #include <dev/ic/wi_ieee.h>
     55 #else
     56 #include <dev/pcmcia/if_wavelan_ieee.h>
     57 #endif
     58 #endif
     59 
     60 #include <stdio.h>
     61 #include <string.h>
     62 #include <ctype.h>
     63 #include <stdlib.h>
     64 #include <unistd.h>
     65 #include <errno.h>
     66 #include <err.h>
     67 
     68 #if !defined(lint)
     69 static const char copyright[] = "@(#) Copyright (c) 1997, 1998, 1999\
     70 	Bill Paul. All rights reserved.";
     71 static const char rcsid[] =
     72 	"@(#) $Id: wiconfig.c,v 1.12 2001/05/06 03:28:57 ichiro Exp $";
     73 #endif
     74 
     75 struct wi_table {
     76 	int wi_type;
     77 	int wi_code;
     78 #define	WI_NONE			0x00
     79 #define	WI_STRING		0x01
     80 #define	WI_BOOL			0x02
     81 #define	WI_WORDS		0x03
     82 #define	WI_HEXBYTES		0x04
     83 #define	WI_KEYSTRUCT		0x05
     84 	char *wi_label;			/* label used to print info */
     85 	int wi_opt;			/* option character to set this */
     86 	char *wi_desc;
     87 	char *wi_optval;
     88 };
     89 
     90 static void wi_getval		__P((char *, struct wi_req *));
     91 static void wi_setval		__P((char *, struct wi_req *));
     92 static void wi_printstr		__P((struct wi_req *));
     93 static void wi_setstr		__P((char *, int, char *));
     94 static void wi_setbytes		__P((char *, int, char *, int));
     95 static void wi_setword		__P((char *, int, int));
     96 static void wi_sethex		__P((char *, int, char *));
     97 static void wi_printwords	__P((struct wi_req *));
     98 static void wi_printbool	__P((struct wi_req *));
     99 static void wi_printhex		__P((struct wi_req *));
    100 static void wi_dumpinfo		__P((char *));
    101 static void wi_setkeys		__P((char *, char *, int));
    102 static void wi_printkeys	__P((struct wi_req *));
    103 static void wi_dumpstats	__P((char *));
    104 static void usage		__P((void));
    105 static struct wi_table *
    106 	wi_optlookup __P((struct wi_table *, int));
    107 static int  wi_hex2int(char c);
    108 static void wi_str2key		__P((char *, struct wi_key *));
    109 int main __P((int argc, char **argv));
    110 
    111 static void wi_getval(iface, wreq)
    112 	char			*iface;
    113 	struct wi_req		*wreq;
    114 {
    115 	struct ifreq		ifr;
    116 	int			s;
    117 
    118 	bzero((char *)&ifr, sizeof(ifr));
    119 
    120 	strcpy(ifr.ifr_name, iface);
    121 	ifr.ifr_data = (caddr_t)wreq;
    122 
    123 	s = socket(AF_INET, SOCK_DGRAM, 0);
    124 
    125 	if (s == -1)
    126 		err(1, "socket");
    127 
    128 	if (ioctl(s, SIOCGWAVELAN, &ifr) == -1)
    129 		err(1, "SIOCGWAVELAN");
    130 
    131 	close(s);
    132 
    133 	return;
    134 }
    135 
    136 static void wi_setval(iface, wreq)
    137 	char			*iface;
    138 	struct wi_req		*wreq;
    139 {
    140 	struct ifreq		ifr;
    141 	int			s;
    142 
    143 	bzero((char *)&ifr, sizeof(ifr));
    144 
    145 	strcpy(ifr.ifr_name, iface);
    146 	ifr.ifr_data = (caddr_t)wreq;
    147 
    148 	s = socket(AF_INET, SOCK_DGRAM, 0);
    149 
    150 	if (s == -1)
    151 		err(1, "socket");
    152 
    153 	if (ioctl(s, SIOCSWAVELAN, &ifr) == -1)
    154 		err(1, "SIOCSWAVELAN");
    155 
    156 	close(s);
    157 
    158 	return;
    159 }
    160 
    161 void wi_printstr(wreq)
    162 	struct wi_req		*wreq;
    163 {
    164 	char			*ptr;
    165 	int			i;
    166 
    167 	if (wreq->wi_type == WI_RID_SERIALNO) {
    168 		ptr = (char *)&wreq->wi_val;
    169 		for (i = 0; i < (wreq->wi_len - 1) * 2; i++) {
    170 			if (ptr[i] == '\0')
    171 				ptr[i] = ' ';
    172 		}
    173 	} else {
    174 		ptr = (char *)&wreq->wi_val[1];
    175 		for (i = 0; i < wreq->wi_val[0]; i++) {
    176 			if (ptr[i] == '\0')
    177 				ptr[i] = ' ';
    178 		}
    179 	}
    180 
    181 	ptr[i] = '\0';
    182 	printf("[ %s ]", ptr);
    183 
    184 	return;
    185 }
    186 
    187 void wi_setstr(iface, code, str)
    188 	char			*iface;
    189 	int			code;
    190 	char			*str;
    191 {
    192 	struct wi_req		wreq;
    193 
    194 	bzero((char *)&wreq, sizeof(wreq));
    195 
    196 	if (strlen(str) > 30)
    197 		errx(1, "string too long");
    198 
    199 	wreq.wi_type = code;
    200 	wreq.wi_len = 18;
    201 	wreq.wi_val[0] = strlen(str);
    202 	bcopy(str, (char *)&wreq.wi_val[1], strlen(str));
    203 
    204 	wi_setval(iface, &wreq);
    205 
    206 	return;
    207 }
    208 
    209 void wi_setbytes(iface, code, bytes, len)
    210 	char			*iface;
    211 	int			code;
    212 	char			*bytes;
    213 	int			len;
    214 {
    215 	struct wi_req		wreq;
    216 
    217 	bzero((char *)&wreq, sizeof(wreq));
    218 
    219 	wreq.wi_type = code;
    220 	wreq.wi_len = (len / 2) + 1;
    221 	bcopy(bytes, (char *)&wreq.wi_val[0], len);
    222 
    223 	wi_setval(iface, &wreq);
    224 
    225 	return;
    226 }
    227 
    228 void wi_setword(iface, code, word)
    229 	char			*iface;
    230 	int			code;
    231 	int			word;
    232 {
    233 	struct wi_req		wreq;
    234 
    235 	bzero((char *)&wreq, sizeof(wreq));
    236 
    237 	wreq.wi_type = code;
    238 	wreq.wi_len = 2;
    239 	wreq.wi_val[0] = word;
    240 
    241 	wi_setval(iface, &wreq);
    242 
    243 	return;
    244 }
    245 
    246 void wi_sethex(iface, code, str)
    247 	char			*iface;
    248 	int			code;
    249 	char			*str;
    250 {
    251 	struct ether_addr	*addr;
    252 
    253 	addr = ether_aton(str);
    254 	if (addr == NULL)
    255 		errx(1, "badly formatted address");
    256 
    257 	wi_setbytes(iface, code, (char *)addr, ETHER_ADDR_LEN);
    258 
    259 	return;
    260 }
    261 
    262 static int
    263 wi_hex2int(char c)
    264 {
    265         if (c >= '0' && c <= '9')
    266                 return (c - '0');
    267 	if (c >= 'A' && c <= 'F')
    268 	        return (c - 'A' + 10);
    269 	if (c >= 'a' && c <= 'f')
    270                 return (c - 'a' + 10);
    271 
    272 	return (0);
    273 }
    274 
    275 static void wi_str2key(s, k)
    276         char                    *s;
    277         struct wi_key           *k;
    278 {
    279         int                     n, i;
    280         char                    *p;
    281 
    282         /* Is this a hex string? */
    283         if (s[0] == '0' && (s[1] == 'x' || s[1] == 'X')) {
    284                 /* Yes, convert to int. */
    285                 n = 0;
    286                 p = (char *)&k->wi_keydat[0];
    287                 for (i = 2; i < strlen(s); i+= 2) {
    288                         *p++ = (wi_hex2int(s[i]) << 4) + wi_hex2int(s[i + 1]);
    289                         n++;
    290                 }
    291                 k->wi_keylen = n;
    292         } else {
    293                 /* No, just copy it in. */
    294                 bcopy(s, k->wi_keydat, strlen(s));
    295                 k->wi_keylen = strlen(s);
    296         }
    297 
    298         return;
    299 }
    300 
    301 static void wi_setkeys(iface, key, idx)
    302         char                    *iface;
    303         char                    *key;
    304         int                     idx;
    305 {
    306         struct wi_req           wreq;
    307         struct wi_ltv_keys      *keys;
    308         struct wi_key           *k;
    309 
    310         bzero((char *)&wreq, sizeof(wreq));
    311         wreq.wi_len = WI_MAX_DATALEN;
    312         wreq.wi_type = WI_RID_WEP_AVAIL;
    313 
    314         wi_getval(iface, &wreq);
    315         if (wreq.wi_val[0] == 0)
    316                 err(1, "no WEP option available on this card");
    317 
    318         bzero((char *)&wreq, sizeof(wreq));
    319         wreq.wi_len = WI_MAX_DATALEN;
    320         wreq.wi_type = WI_RID_DEFLT_CRYPT_KEYS;
    321 
    322         wi_getval(iface, &wreq);
    323         keys = (struct wi_ltv_keys *)&wreq;
    324 
    325         if (key[0] == '0' && (key[1] == 'x' || key[1] == 'X')) {
    326 	        if (strlen(key) > 30)
    327 		        err(1, "encryption key must be no "
    328 			    "more than 28 hex digits long");
    329 	} else {
    330 	        if (strlen(key) > 14)
    331 		        err(1, "encryption key must be no "
    332 			    "more than 14 characters long");
    333 	}
    334 
    335         if (idx > 3)
    336                 err(1, "only 4 encryption keys available");
    337 
    338         k = &keys->wi_keys[idx];
    339         wi_str2key(key, k);
    340 
    341         wreq.wi_len = (sizeof(struct wi_ltv_keys) / 2) + 1;
    342         wreq.wi_type = WI_RID_DEFLT_CRYPT_KEYS;
    343         wi_setval(iface, &wreq);
    344 
    345         return;
    346 }
    347 
    348 static void wi_printkeys(wreq)
    349         struct wi_req           *wreq;
    350 {
    351         int                     i, j, bn;
    352         struct wi_key           *k;
    353         struct wi_ltv_keys      *keys;
    354         char                    *ptr;
    355 
    356 	keys = (struct wi_ltv_keys *)wreq;
    357 
    358 	for (i = 0, bn = 0; i < 4; i++, bn = 0) {
    359                 k = &keys->wi_keys[i];
    360                 ptr = (char *)k->wi_keydat;
    361                 for (j = 0; j < k->wi_keylen; j++) {
    362 		        if (!isprint((unsigned char) ptr[j])) {
    363 			        bn = 1;
    364 				break;
    365 			}
    366 		}
    367 
    368 		if (bn)	{
    369 		        printf("[ 0x");
    370 		        for (j = 0; j < k->wi_keylen; j++)
    371 			      printf("%02x", ((unsigned char *) ptr)[j]);
    372 			printf(" ]");
    373 		} else {
    374 		        ptr[j] = '\0';
    375 			printf("[ %s ]", ptr);
    376 		}
    377         }
    378 
    379         return;
    380 };
    381 
    382 void wi_printwords(wreq)
    383 	struct wi_req		*wreq;
    384 {
    385 	int			i;
    386 
    387 	printf("[ ");
    388 	for (i = 0; i < wreq->wi_len - 1; i++)
    389 		printf("%d ", wreq->wi_val[i]);
    390 	printf("]");
    391 
    392 	return;
    393 }
    394 
    395 void wi_printbool(wreq)
    396 	struct wi_req		*wreq;
    397 {
    398 	if (wreq->wi_val[0])
    399 		printf("[ On ]");
    400 	else
    401 		printf("[ Off ]");
    402 
    403 	return;
    404 }
    405 
    406 void wi_printhex(wreq)
    407 	struct wi_req		*wreq;
    408 {
    409 	int			i;
    410 	unsigned char		*c;
    411 
    412 	c = (unsigned char *)&wreq->wi_val;
    413 
    414 	printf("[ ");
    415 	for (i = 0; i < (wreq->wi_len - 1) * 2; i++) {
    416 		printf("%02x", c[i]);
    417 		if (i < ((wreq->wi_len - 1) * 2) - 1)
    418 			printf(":");
    419 	}
    420 
    421 	printf(" ]");
    422 	return;
    423 }
    424 
    425 static struct wi_table wi_table[] = {
    426 	{ WI_RID_SERIALNO, WI_STRING, "NIC serial number:\t\t\t" },
    427 	{ WI_RID_NODENAME, WI_STRING, "Station name:\t\t\t\t",
    428 	    's', "station name" },
    429 	{ WI_RID_OWN_SSID, WI_STRING, "SSID for IBSS creation:\t\t\t",
    430 	    'q', "own SSID" },
    431 	{ WI_RID_CURRENT_SSID, WI_STRING, "Current netname (SSID):\t\t\t" },
    432 	{ WI_RID_DESIRED_SSID, WI_STRING, "Desired netname (SSID):\t\t\t",
    433 	    'n', "network name" },
    434 	{ WI_RID_CURRENT_BSSID, WI_HEXBYTES, "Current BSSID:\t\t\t\t" },
    435 	{ WI_RID_CHANNEL_LIST, WI_WORDS, "Channel list:\t\t\t\t" },
    436 	{ WI_RID_OWN_CHNL, WI_WORDS, "IBSS channel:\t\t\t\t",
    437 	    'f', "frequency" },
    438 	{ WI_RID_CURRENT_CHAN, WI_WORDS, "Current channel:\t\t\t" },
    439 	{ WI_RID_COMMS_QUALITY, WI_WORDS, "Comms quality/signal/noise:\t\t" },
    440 	{ WI_RID_PROMISC, WI_BOOL, "Promiscuous mode:\t\t\t" },
    441 	{ WI_RID_PORTTYPE, WI_WORDS, "Port type (1=BSS, 3=ad-hoc):\t\t",
    442 	    'p', "port type" },
    443 	{ WI_RID_MAC_NODE, WI_HEXBYTES, "MAC address:\t\t\t\t",
    444 	    'm', "MAC address" },
    445 	{ WI_RID_TX_RATE, WI_WORDS, "TX rate (selection):\t\t\t",
    446 	    't', "TX rate" },
    447 	{ WI_RID_CUR_TX_RATE, WI_WORDS, "TX rate (actual speed):\t\t\t"},
    448 	{ WI_RID_MAX_DATALEN, WI_WORDS, "Maximum data length:\t\t\t",
    449 	    'd', "maximum data length" },
    450 	{ WI_RID_RTS_THRESH, WI_WORDS, "RTS/CTS handshake threshold:\t\t",
    451 	    'r', "RTS threshold" },
    452 	{ WI_RID_CREATE_IBSS, WI_BOOL, "Create IBSS:\t\t\t\t",
    453 	    'c', "create ibss" },
    454 	{ WI_RID_SYSTEM_SCALE, WI_WORDS, "Access point density:\t\t\t",
    455 	    'a', "system scale" },
    456 	{ WI_RID_PM_ENABLED, WI_WORDS, "Power Mgmt (1=on, 0=off):\t\t",
    457 	    'P', "power management enabled" },
    458 	{ WI_RID_MAX_SLEEP, WI_WORDS, "Max sleep time:\t\t\t\t",
    459 	    'S', "max sleep duration" },
    460 	{ WI_RID_MICROWAVE_OVEN, WI_WORDS, "Microwave oven robustness:\t\t",
    461 	  'M', "microwave oven robustness enabled" },
    462 	{ 0, WI_NONE }
    463 };
    464 
    465 static struct wi_table wi_crypt_table[] = {
    466 	{ WI_RID_ENCRYPTION, WI_BOOL, "WEP encryption:\t\t\t\t",
    467 	    'e', "encryption" },
    468         { WI_RID_TX_CRYPT_KEY, WI_WORDS, "TX encryption key:\t\t\t" },
    469         { WI_RID_DEFLT_CRYPT_KEYS, WI_KEYSTRUCT, "Encryption keys:\t\t\t" },
    470 	{ 0, WI_NONE }
    471 };
    472 
    473 static struct wi_table *wi_tables[] = {
    474 	wi_table,
    475 	wi_crypt_table,
    476 	NULL
    477 };
    478 
    479 static struct wi_table *
    480 wi_optlookup(table, opt)
    481 	struct wi_table *table;
    482 	int opt;
    483 {
    484 	struct wi_table *wt;
    485 
    486 	for (wt = table; wt->wi_type != 0; wt++)
    487 		if (wt->wi_opt == opt)
    488 			return (wt);
    489 	return (NULL);
    490 }
    491 
    492 static void wi_dumpinfo(iface)
    493 	char			*iface;
    494 {
    495 	struct wi_req		wreq;
    496 	int			i, has_wep;
    497 	struct wi_table		*w;
    498 
    499 	bzero((char *)&wreq, sizeof(wreq));
    500 
    501 	wreq.wi_len = WI_MAX_DATALEN;
    502 	wreq.wi_type = WI_RID_WEP_AVAIL;
    503 
    504 	wi_getval(iface, &wreq);
    505 	has_wep = wreq.wi_val[0];
    506 
    507 	w = wi_table;
    508 
    509 	for (i = 0; w[i].wi_code != WI_NONE; i++) {
    510 		bzero((char *)&wreq, sizeof(wreq));
    511 
    512 		wreq.wi_len = WI_MAX_DATALEN;
    513 		wreq.wi_type = w[i].wi_type;
    514 
    515 		wi_getval(iface, &wreq);
    516 		printf("%s", w[i].wi_label);
    517 		switch (w[i].wi_code) {
    518 		case WI_STRING:
    519 			wi_printstr(&wreq);
    520 			break;
    521 		case WI_WORDS:
    522 			wi_printwords(&wreq);
    523 			break;
    524 		case WI_BOOL:
    525 			wi_printbool(&wreq);
    526 			break;
    527 		case WI_HEXBYTES:
    528 			wi_printhex(&wreq);
    529 			break;
    530 		default:
    531 			break;
    532 		}
    533 		printf("\n");
    534 	}
    535 
    536 	if (has_wep) {
    537 		w = wi_crypt_table;
    538 		for (i = 0; w[i].wi_code != WI_NONE; i++) {
    539 			bzero((char *)&wreq, sizeof(wreq));
    540 
    541 			wreq.wi_len = WI_MAX_DATALEN;
    542 			wreq.wi_type = w[i].wi_type;
    543 
    544 			wi_getval(iface, &wreq);
    545 			printf("%s", w[i].wi_label);
    546 			switch (w[i].wi_code) {
    547 			case WI_STRING:
    548 				wi_printstr(&wreq);
    549 				break;
    550 			case WI_WORDS:
    551 				if (wreq.wi_type == WI_RID_TX_CRYPT_KEY)
    552 					wreq.wi_val[0]++;
    553 				wi_printwords(&wreq);
    554 				break;
    555 			case WI_BOOL:
    556 				wi_printbool(&wreq);
    557 				break;
    558 			case WI_HEXBYTES:
    559 				wi_printhex(&wreq);
    560 				break;
    561 			case WI_KEYSTRUCT:
    562 				wi_printkeys(&wreq);
    563 				break;
    564 			default:
    565 				break;
    566 			}
    567 			printf("\n");
    568 		}
    569 	}
    570 
    571 	return;
    572 }
    573 
    574 static void wi_dumpstats(iface)
    575 	char			*iface;
    576 {
    577 	struct wi_req		wreq;
    578 	struct wi_counters	*c;
    579 
    580 	bzero((char *)&wreq, sizeof(wreq));
    581 	wreq.wi_len = WI_MAX_DATALEN;
    582 	wreq.wi_type = WI_RID_IFACE_STATS;
    583 
    584 	wi_getval(iface, &wreq);
    585 
    586 	c = (struct wi_counters *)&wreq.wi_val;
    587 
    588 	printf("Transmitted unicast frames:\t\t%d\n",
    589 	    c->wi_tx_unicast_frames);
    590 	printf("Transmitted multicast frames:\t\t%d\n",
    591 	    c->wi_tx_multicast_frames);
    592 	printf("Transmitted fragments:\t\t\t%d\n",
    593 	    c->wi_tx_fragments);
    594 	printf("Transmitted unicast octets:\t\t%d\n",
    595 	    c->wi_tx_unicast_octets);
    596 	printf("Transmitted multicast octets:\t\t%d\n",
    597 	    c->wi_tx_multicast_octets);
    598 	printf("Single transmit retries:\t\t%d\n",
    599 	    c->wi_tx_single_retries);
    600 	printf("Multiple transmit retries:\t\t%d\n",
    601 	    c->wi_tx_multi_retries);
    602 	printf("Transmit retry limit exceeded:\t\t%d\n",
    603 	    c->wi_tx_retry_limit);
    604 	printf("Transmit discards:\t\t\t%d\n",
    605 	    c->wi_tx_discards);
    606 	printf("Transmit discards due to wrong SA:\t%d\n",
    607 	    c->wi_tx_discards_wrong_sa);
    608 	printf("Received unicast frames:\t\t%d\n",
    609 	    c->wi_rx_unicast_frames);
    610 	printf("Received multicast frames:\t\t%d\n",
    611 	    c->wi_rx_multicast_frames);
    612 	printf("Received fragments:\t\t\t%d\n",
    613 	    c->wi_rx_fragments);
    614 	printf("Received unicast octets:\t\t%d\n",
    615 	    c->wi_rx_unicast_octets);
    616 	printf("Received multicast octets:\t\t%d\n",
    617 	    c->wi_rx_multicast_octets);
    618 	printf("Receive FCS errors:\t\t\t%d\n",
    619 	    c->wi_rx_fcs_errors);
    620 	printf("Receive discards due to no buffer:\t%d\n",
    621 	    c->wi_rx_discards_nobuf);
    622 	printf("Can't decrypt WEP frame:\t\t%d\n",
    623 	    c->wi_rx_WEP_cant_decrypt);
    624 	printf("Received message fragments:\t\t%d\n",
    625 	    c->wi_rx_msg_in_msg_frags);
    626 	printf("Received message bad fragments:\t\t%d\n",
    627 	    c->wi_rx_msg_in_bad_msg_frags);
    628 
    629 	return;
    630 }
    631 
    632 static void
    633 usage()
    634 {
    635 
    636 	fprintf(stderr,
    637 	    "usage: %s interface "
    638 	    "[-o] [-t tx rate] [-n network name] [-s station name]\n"
    639 	    "       [-e 0|1] [-k key [-v 1|2|3|4]] [-T 1|2|3|4]\n"
    640 	    "       [-c 0|1] [-q SSID] [-p port type] [-a access point density]\n"
    641 	    "       [-m MAC address] [-d max data length] [-r RTS threshold]\n"
    642 	    "       [-f frequency] [-M 0|1] [-P 0|1] [-S max sleep duration]\n"
    643 	    ,
    644 	    getprogname());
    645 	exit(1);
    646 }
    647 
    648 int main(argc, argv)
    649 	int			argc;
    650 	char			*argv[];
    651 {
    652 	struct wi_table *wt, **table;
    653 	char *iface, *key, *keyv[4], *tx_crypt_key;
    654 	int ch, dumpinfo, dumpstats, modifier, oldind;
    655 
    656 #define	SET_OPERAND(opr, desc) do {				\
    657 	if ((opr) == NULL)					\
    658 		(opr) = optarg;					\
    659 	else							\
    660 		warnx("%s is already specified to %s",		\
    661 		    desc, (opr));				\
    662 } while (0)
    663 
    664 	dumpinfo = 1;
    665 	dumpstats = 0;
    666 	iface = key = keyv[0] = keyv[1] = keyv[2] = keyv[3] =
    667 	    tx_crypt_key = NULL;
    668 
    669 	if (argc > 1 && argv[1][0] != '-') {
    670 		iface = argv[1];
    671 		optind++;
    672 	}
    673 
    674 	while ((ch = getopt(argc, argv,
    675 	    "a:c:d:e:f:hi:k:m:n:op:q:r:s:t:M:S:P:T:")) != -1) {
    676 		if (ch != 'i')
    677 			dumpinfo = 0;
    678 		/*
    679 		 * Lookup generic options and remeber operand if found.
    680 		 */
    681 		for (table = wi_tables; *table != NULL; table++)
    682 			if ((wt = wi_optlookup(*table, ch)) != NULL) {
    683 				SET_OPERAND(wt->wi_optval, wt->wi_desc);
    684 				break;
    685 			}
    686 		if (wt == NULL)
    687 			/*
    688 			 * Handle special options.
    689 			 */
    690 			switch (ch) {
    691 			case 'o':
    692 				dumpstats = 1;
    693 				break;
    694 			case 'i':
    695 				SET_OPERAND(iface, "interface");
    696 				break;
    697 			case 'k':
    698 				key = optarg;
    699 				oldind = optind;
    700 				opterr = 0;
    701 				ch = getopt(argc, argv, "v:");
    702 				opterr = 1;
    703 				switch (ch) {
    704 				case 'v':
    705 					modifier = atoi(optarg) - 1;
    706 					break;
    707 				default:
    708 					modifier = 0;
    709 					optind = oldind;
    710 					break;
    711 				}
    712 				keyv[modifier] = key;
    713 				break;
    714 			case 'T':
    715 				SET_OPERAND(tx_crypt_key, "TX encryption key");
    716 				break;
    717 			case 'h':
    718 			default:
    719 				usage();
    720 				break;
    721 			}
    722 	}
    723 
    724 	if (iface == NULL)
    725 		usage();
    726 
    727 	for (table = wi_tables; *table != NULL; table++)
    728 		for (wt = *table; wt->wi_code != WI_NONE; wt++)
    729 			if (wt->wi_optval != NULL) {
    730 				switch (wt->wi_code) {
    731 				case WI_BOOL:
    732 				case WI_WORDS:
    733 					wi_setword(iface, wt->wi_type,
    734 					    atoi(wt->wi_optval));
    735 					break;
    736 				case WI_STRING:
    737 					wi_setstr(iface, wt->wi_type,
    738 					    wt->wi_optval);
    739 					break;
    740 				case WI_HEXBYTES:
    741 					wi_sethex(iface, wt->wi_type,
    742 					    wt->wi_optval);
    743 					break;
    744 				}
    745 			}
    746 
    747 	if (tx_crypt_key != NULL)
    748 		wi_setword(iface, WI_RID_TX_CRYPT_KEY, atoi(tx_crypt_key) - 1);
    749 
    750 	for (modifier = 0; modifier < sizeof(keyv) / sizeof(keyv[0]);
    751 	    modifier++)
    752 		if (keyv[modifier] != NULL)
    753 			wi_setkeys(iface, keyv[modifier], modifier);
    754 
    755 	if (dumpstats)
    756 		wi_dumpstats(iface);
    757 	if (dumpinfo)
    758 		wi_dumpinfo(iface);
    759 
    760 	exit(0);
    761 }
    762