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wiconfig.c revision 1.7
      1 /*
      2  * Copyright (c) 1997, 1998, 1999
      3  *	Bill Paul <wpaul (at) ctr.columbia.edu>.  All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. All advertising materials mentioning features or use of this software
     14  *    must display the following acknowledgement:
     15  *	This product includes software developed by Bill Paul.
     16  * 4. Neither the name of the author nor the names of any co-contributors
     17  *    may be used to endorse or promote products derived from this software
     18  *    without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
     21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     23  * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
     24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     30  * THE POSSIBILITY OF SUCH DAMAGE.
     31  *
     32  *	$Id: wiconfig.c,v 1.7 2000/07/06 03:37:26 enami Exp $
     33  */
     34 
     35 #include <sys/types.h>
     36 #include <sys/cdefs.h>
     37 #include <sys/param.h>
     38 #include <sys/socket.h>
     39 #include <sys/ioctl.h>
     40 #include <sys/socket.h>
     41 
     42 #include <net/if.h>
     43 #ifdef __FreeBSD__
     44 #include <net/if_var.h>
     45 #include <net/ethernet.h>
     46 
     47 #include <machine/if_wavelan_ieee.h>
     48 #else
     49 #include <netinet/in.h>
     50 #include <netinet/if_ether.h>
     51 #ifdef __NetBSD__
     52 #include <dev/pcmcia/if_wi_ieee.h>
     53 #else
     54 #include <dev/pcmcia/if_wavelan_ieee.h>
     55 #endif
     56 #endif
     57 
     58 #include <stdio.h>
     59 #include <string.h>
     60 #include <ctype.h>
     61 #include <stdlib.h>
     62 #include <unistd.h>
     63 #include <errno.h>
     64 #include <err.h>
     65 
     66 #if !defined(lint)
     67 static const char copyright[] = "@(#) Copyright (c) 1997, 1998, 1999\
     68 	Bill Paul. All rights reserved.";
     69 static const char rcsid[] =
     70 	"@(#) $Id: wiconfig.c,v 1.7 2000/07/06 03:37:26 enami Exp $";
     71 #endif
     72 
     73 struct wi_table {
     74 	int wi_type;
     75 	int wi_code;
     76 #define	WI_NONE			0x00
     77 #define	WI_STRING		0x01
     78 #define	WI_BOOL			0x02
     79 #define	WI_WORDS		0x03
     80 #define	WI_HEXBYTES		0x04
     81 #define	WI_KEYSTRUCT		0x05
     82 	char *wi_label;			/* label used to print info */
     83 	int wi_opt;			/* option character to set this */
     84 	char *wi_desc;
     85 	char *wi_optval;
     86 };
     87 
     88 static void wi_getval		__P((char *, struct wi_req *));
     89 static void wi_setval		__P((char *, struct wi_req *));
     90 static void wi_printstr		__P((struct wi_req *));
     91 static void wi_setstr		__P((char *, int, char *));
     92 static void wi_setbytes		__P((char *, int, char *, int));
     93 static void wi_setword		__P((char *, int, int));
     94 static void wi_sethex		__P((char *, int, char *));
     95 static void wi_printwords	__P((struct wi_req *));
     96 static void wi_printbool	__P((struct wi_req *));
     97 static void wi_printhex		__P((struct wi_req *));
     98 static void wi_dumpinfo		__P((char *));
     99 static void wi_setkeys		__P((char *, char *, int));
    100 static void wi_printkeys	__P((struct wi_req *));
    101 static void wi_dumpstats	__P((char *));
    102 static void usage		__P((void));
    103 static struct wi_table *
    104 	wi_optlookup __P((struct wi_table *, int));
    105 static int  wi_hex2int(char c);
    106 static void wi_str2key		__P((char *, struct wi_key *));
    107 int main __P((int argc, char **argv));
    108 
    109 static void wi_getval(iface, wreq)
    110 	char			*iface;
    111 	struct wi_req		*wreq;
    112 {
    113 	struct ifreq		ifr;
    114 	int			s;
    115 
    116 	bzero((char *)&ifr, sizeof(ifr));
    117 
    118 	strcpy(ifr.ifr_name, iface);
    119 	ifr.ifr_data = (caddr_t)wreq;
    120 
    121 	s = socket(AF_INET, SOCK_DGRAM, 0);
    122 
    123 	if (s == -1)
    124 		err(1, "socket");
    125 
    126 	if (ioctl(s, SIOCGWAVELAN, &ifr) == -1)
    127 		err(1, "SIOCGWAVELAN");
    128 
    129 	close(s);
    130 
    131 	return;
    132 }
    133 
    134 static void wi_setval(iface, wreq)
    135 	char			*iface;
    136 	struct wi_req		*wreq;
    137 {
    138 	struct ifreq		ifr;
    139 	int			s;
    140 
    141 	bzero((char *)&ifr, sizeof(ifr));
    142 
    143 	strcpy(ifr.ifr_name, iface);
    144 	ifr.ifr_data = (caddr_t)wreq;
    145 
    146 	s = socket(AF_INET, SOCK_DGRAM, 0);
    147 
    148 	if (s == -1)
    149 		err(1, "socket");
    150 
    151 	if (ioctl(s, SIOCSWAVELAN, &ifr) == -1)
    152 		err(1, "SIOCSWAVELAN");
    153 
    154 	close(s);
    155 
    156 	return;
    157 }
    158 
    159 void wi_printstr(wreq)
    160 	struct wi_req		*wreq;
    161 {
    162 	char			*ptr;
    163 	int			i;
    164 
    165 	if (wreq->wi_type == WI_RID_SERIALNO) {
    166 		ptr = (char *)&wreq->wi_val;
    167 		for (i = 0; i < (wreq->wi_len - 1) * 2; i++) {
    168 			if (ptr[i] == '\0')
    169 				ptr[i] = ' ';
    170 		}
    171 	} else {
    172 		ptr = (char *)&wreq->wi_val[1];
    173 		for (i = 0; i < wreq->wi_val[0]; i++) {
    174 			if (ptr[i] == '\0')
    175 				ptr[i] = ' ';
    176 		}
    177 	}
    178 
    179 	ptr[i] = '\0';
    180 	printf("[ %s ]", ptr);
    181 
    182 	return;
    183 }
    184 
    185 void wi_setstr(iface, code, str)
    186 	char			*iface;
    187 	int			code;
    188 	char			*str;
    189 {
    190 	struct wi_req		wreq;
    191 
    192 	bzero((char *)&wreq, sizeof(wreq));
    193 
    194 	if (strlen(str) > 30)
    195 		errx(1, "string too long");
    196 
    197 	wreq.wi_type = code;
    198 	wreq.wi_len = 18;
    199 	wreq.wi_val[0] = strlen(str);
    200 	bcopy(str, (char *)&wreq.wi_val[1], strlen(str));
    201 
    202 	wi_setval(iface, &wreq);
    203 
    204 	return;
    205 }
    206 
    207 void wi_setbytes(iface, code, bytes, len)
    208 	char			*iface;
    209 	int			code;
    210 	char			*bytes;
    211 	int			len;
    212 {
    213 	struct wi_req		wreq;
    214 
    215 	bzero((char *)&wreq, sizeof(wreq));
    216 
    217 	wreq.wi_type = code;
    218 	wreq.wi_len = (len / 2) + 1;
    219 	bcopy(bytes, (char *)&wreq.wi_val[0], len);
    220 
    221 	wi_setval(iface, &wreq);
    222 
    223 	return;
    224 }
    225 
    226 void wi_setword(iface, code, word)
    227 	char			*iface;
    228 	int			code;
    229 	int			word;
    230 {
    231 	struct wi_req		wreq;
    232 
    233 	bzero((char *)&wreq, sizeof(wreq));
    234 
    235 	wreq.wi_type = code;
    236 	wreq.wi_len = 2;
    237 	wreq.wi_val[0] = word;
    238 
    239 	wi_setval(iface, &wreq);
    240 
    241 	return;
    242 }
    243 
    244 void wi_sethex(iface, code, str)
    245 	char			*iface;
    246 	int			code;
    247 	char			*str;
    248 {
    249 	struct ether_addr	*addr;
    250 
    251 	addr = ether_aton(str);
    252 	if (addr == NULL)
    253 		errx(1, "badly formatted address");
    254 
    255 	wi_setbytes(iface, code, (char *)addr, ETHER_ADDR_LEN);
    256 
    257 	return;
    258 }
    259 
    260 static int
    261 wi_hex2int(char c)
    262 {
    263         if (c >= '0' && c <= '9')
    264                 return (c - '0');
    265 	if (c >= 'A' && c <= 'F')
    266 	        return (c - 'A' + 10);
    267 	if (c >= 'a' && c <= 'f')
    268                 return (c - 'a' + 10);
    269 
    270 	return (0);
    271 }
    272 
    273 static void wi_str2key(s, k)
    274         char                    *s;
    275         struct wi_key           *k;
    276 {
    277         int                     n, i;
    278         char                    *p;
    279 
    280         /* Is this a hex string? */
    281         if (s[0] == '0' && (s[1] == 'x' || s[1] == 'X')) {
    282                 /* Yes, convert to int. */
    283                 n = 0;
    284                 p = (char *)&k->wi_keydat[0];
    285                 for (i = 2; i < strlen(s); i+= 2) {
    286                         *p++ = (wi_hex2int(s[i]) << 4) + wi_hex2int(s[i + 1]);
    287                         n++;
    288                 }
    289                 k->wi_keylen = n;
    290         } else {
    291                 /* No, just copy it in. */
    292                 bcopy(s, k->wi_keydat, strlen(s));
    293                 k->wi_keylen = strlen(s);
    294         }
    295 
    296         return;
    297 }
    298 
    299 static void wi_setkeys(iface, key, idx)
    300         char                    *iface;
    301         char                    *key;
    302         int                     idx;
    303 {
    304         struct wi_req           wreq;
    305         struct wi_ltv_keys      *keys;
    306         struct wi_key           *k;
    307 
    308         bzero((char *)&wreq, sizeof(wreq));
    309         wreq.wi_len = WI_MAX_DATALEN;
    310         wreq.wi_type = WI_RID_WEP_AVAIL;
    311 
    312         wi_getval(iface, &wreq);
    313         if (wreq.wi_val[0] == 0)
    314                 err(1, "no WEP option available on this card");
    315 
    316         bzero((char *)&wreq, sizeof(wreq));
    317         wreq.wi_len = WI_MAX_DATALEN;
    318         wreq.wi_type = WI_RID_DEFLT_CRYPT_KEYS;
    319 
    320         wi_getval(iface, &wreq);
    321         keys = (struct wi_ltv_keys *)&wreq;
    322 
    323         if (key[0] == '0' && (key[1] == 'x' || key[1] == 'X')) {
    324 	        if (strlen(key) > 30)
    325 		        err(1, "encryption key must be no "
    326 			    "more than 28 hex digits long");
    327 	} else {
    328 	        if (strlen(key) > 14)
    329 		        err(1, "encryption key must be no "
    330 			    "more than 14 characters long");
    331 	}
    332 
    333         if (idx > 3)
    334                 err(1, "only 4 encryption keys available");
    335 
    336         k = &keys->wi_keys[idx];
    337         wi_str2key(key, k);
    338 
    339         wreq.wi_len = (sizeof(struct wi_ltv_keys) / 2) + 1;
    340         wreq.wi_type = WI_RID_DEFLT_CRYPT_KEYS;
    341         wi_setval(iface, &wreq);
    342 
    343         return;
    344 }
    345 
    346 static void wi_printkeys(wreq)
    347         struct wi_req           *wreq;
    348 {
    349         int                     i, j, bn;
    350         struct wi_key           *k;
    351         struct wi_ltv_keys      *keys;
    352         char                    *ptr;
    353 
    354 	keys = (struct wi_ltv_keys *)wreq;
    355 
    356 	for (i = 0, bn = 0; i < 4; i++, bn = 0) {
    357                 k = &keys->wi_keys[i];
    358                 ptr = (char *)k->wi_keydat;
    359                 for (j = 0; j < k->wi_keylen; j++) {
    360 		        if (!isprint(ptr[j])) {
    361 			        bn = 1;
    362 				break;
    363 			}
    364 		}
    365 
    366 		if (bn)	{
    367 		        printf("[ 0x");
    368 		        for (j = 0; j < k->wi_keylen; j++)
    369 			      printf("%02x", ((unsigned char *) ptr)[j]);
    370 			printf(" ]");
    371 		} else {
    372 		        ptr[j] = '\0';
    373 			printf("[ %s ]", ptr);
    374 		}
    375         }
    376 
    377         return;
    378 };
    379 
    380 void wi_printwords(wreq)
    381 	struct wi_req		*wreq;
    382 {
    383 	int			i;
    384 
    385 	printf("[ ");
    386 	for (i = 0; i < wreq->wi_len - 1; i++)
    387 		printf("%d ", wreq->wi_val[i]);
    388 	printf("]");
    389 
    390 	return;
    391 }
    392 
    393 void wi_printbool(wreq)
    394 	struct wi_req		*wreq;
    395 {
    396 	if (wreq->wi_val[0])
    397 		printf("[ On ]");
    398 	else
    399 		printf("[ Off ]");
    400 
    401 	return;
    402 }
    403 
    404 void wi_printhex(wreq)
    405 	struct wi_req		*wreq;
    406 {
    407 	int			i;
    408 	unsigned char		*c;
    409 
    410 	c = (unsigned char *)&wreq->wi_val;
    411 
    412 	printf("[ ");
    413 	for (i = 0; i < (wreq->wi_len - 1) * 2; i++) {
    414 		printf("%02x", c[i]);
    415 		if (i < ((wreq->wi_len - 1) * 2) - 1)
    416 			printf(":");
    417 	}
    418 
    419 	printf(" ]");
    420 	return;
    421 }
    422 
    423 static struct wi_table wi_table[] = {
    424 	{ WI_RID_SERIALNO, WI_STRING, "NIC serial number:\t\t\t" },
    425 	{ WI_RID_NODENAME, WI_STRING, "Station name:\t\t\t\t",
    426 	    's', "station name" },
    427 	{ WI_RID_OWN_SSID, WI_STRING, "SSID for IBSS creation:\t\t\t",
    428 	    'q', "own SSID" },
    429 	{ WI_RID_CURRENT_SSID, WI_STRING, "Current netname (SSID):\t\t\t" },
    430 	{ WI_RID_DESIRED_SSID, WI_STRING, "Desired netname (SSID):\t\t\t",
    431 	    'n', "network name" },
    432 	{ WI_RID_CURRENT_BSSID, WI_HEXBYTES, "Current BSSID:\t\t\t\t" },
    433 	{ WI_RID_CHANNEL_LIST, WI_WORDS, "Channel list:\t\t\t\t" },
    434 	{ WI_RID_OWN_CHNL, WI_WORDS, "IBSS channel:\t\t\t\t",
    435 	    'f', "frequency" },
    436 	{ WI_RID_CURRENT_CHAN, WI_WORDS, "Current channel:\t\t\t" },
    437 	{ WI_RID_COMMS_QUALITY, WI_WORDS, "Comms quality/signal/noise:\t\t" },
    438 	{ WI_RID_PROMISC, WI_BOOL, "Promiscuous mode:\t\t\t" },
    439 	{ WI_RID_PORTTYPE, WI_WORDS, "Port type (1=BSS, 3=ad-hoc):\t\t",
    440 	    'p', "port type" },
    441 	{ WI_RID_MAC_NODE, WI_HEXBYTES, "MAC address:\t\t\t\t",
    442 	    'm', "MAC address" },
    443 	{ WI_RID_TX_RATE, WI_WORDS, "TX rate (selection):\t\t\t",
    444 	    't', "TX rate" },
    445 	{ WI_RID_CUR_TX_RATE, WI_WORDS, "TX rate (actual speed):\t\t\t"},
    446 	{ WI_RID_MAX_DATALEN, WI_WORDS, "Maximum data length:\t\t\t",
    447 	    'd', "maximum data length" },
    448 	{ WI_RID_RTS_THRESH, WI_WORDS, "RTS/CTS handshake threshold:\t\t",
    449 	    'r', "RTS threshold" },
    450 	{ WI_RID_CREATE_IBSS, WI_BOOL, "Create IBSS:\t\t\t\t",
    451 	    'c', "create ibss" },
    452 	{ WI_RID_SYSTEM_SCALE, WI_WORDS, "Access point density:\t\t\t",
    453 	    'a', "system scale" },
    454 	{ WI_RID_PM_ENABLED, WI_WORDS, "Power Mgmt (1=on, 0=off):\t\t",
    455 	    'P', "power management enabled" },
    456 	{ WI_RID_MAX_SLEEP, WI_WORDS, "Max sleep time:\t\t\t\t",
    457 	    'S', "max sleep duration" },
    458 	{ 0, WI_NONE }
    459 };
    460 
    461 static struct wi_table wi_crypt_table[] = {
    462 	{ WI_RID_ENCRYPTION, WI_BOOL, "WEP encryption:\t\t\t\t",
    463 	    'e', "encryption" },
    464         { WI_RID_TX_CRYPT_KEY, WI_WORDS, "TX encryption key:\t\t\t" },
    465         { WI_RID_DEFLT_CRYPT_KEYS, WI_KEYSTRUCT, "Encryption keys:\t\t\t" },
    466 	{ 0, WI_NONE }
    467 };
    468 
    469 static struct wi_table *wi_tables[] = {
    470 	wi_table,
    471 	wi_crypt_table,
    472 	NULL
    473 };
    474 
    475 static struct wi_table *
    476 wi_optlookup(table, opt)
    477 	struct wi_table *table;
    478 	int opt;
    479 {
    480 	struct wi_table *wt;
    481 
    482 	for (wt = table; wt->wi_type != 0; wt++)
    483 		if (wt->wi_opt == opt)
    484 			return (wt);
    485 	return (NULL);
    486 }
    487 
    488 static void wi_dumpinfo(iface)
    489 	char			*iface;
    490 {
    491 	struct wi_req		wreq;
    492 	int			i, has_wep;
    493 	struct wi_table		*w;
    494 
    495 	bzero((char *)&wreq, sizeof(wreq));
    496 
    497 	wreq.wi_len = WI_MAX_DATALEN;
    498 	wreq.wi_type = WI_RID_WEP_AVAIL;
    499 
    500 	wi_getval(iface, &wreq);
    501 	has_wep = wreq.wi_val[0];
    502 
    503 	w = wi_table;
    504 
    505 	for (i = 0; w[i].wi_code != WI_NONE; i++) {
    506 		bzero((char *)&wreq, sizeof(wreq));
    507 
    508 		wreq.wi_len = WI_MAX_DATALEN;
    509 		wreq.wi_type = w[i].wi_type;
    510 
    511 		wi_getval(iface, &wreq);
    512 		printf("%s", w[i].wi_label);
    513 		switch (w[i].wi_code) {
    514 		case WI_STRING:
    515 			wi_printstr(&wreq);
    516 			break;
    517 		case WI_WORDS:
    518 			wi_printwords(&wreq);
    519 			break;
    520 		case WI_BOOL:
    521 			wi_printbool(&wreq);
    522 			break;
    523 		case WI_HEXBYTES:
    524 			wi_printhex(&wreq);
    525 			break;
    526 		default:
    527 			break;
    528 		}
    529 		printf("\n");
    530 	}
    531 
    532 	if (has_wep) {
    533 		w = wi_crypt_table;
    534 		for (i = 0; w[i].wi_code != WI_NONE; i++) {
    535 			bzero((char *)&wreq, sizeof(wreq));
    536 
    537 			wreq.wi_len = WI_MAX_DATALEN;
    538 			wreq.wi_type = w[i].wi_type;
    539 
    540 			wi_getval(iface, &wreq);
    541 			printf("%s", w[i].wi_label);
    542 			switch (w[i].wi_code) {
    543 			case WI_STRING:
    544 				wi_printstr(&wreq);
    545 				break;
    546 			case WI_WORDS:
    547 				if (wreq.wi_type == WI_RID_TX_CRYPT_KEY)
    548 					wreq.wi_val[0]++;
    549 				wi_printwords(&wreq);
    550 				break;
    551 			case WI_BOOL:
    552 				wi_printbool(&wreq);
    553 				break;
    554 			case WI_HEXBYTES:
    555 				wi_printhex(&wreq);
    556 				break;
    557 			case WI_KEYSTRUCT:
    558 				wi_printkeys(&wreq);
    559 				break;
    560 			default:
    561 				break;
    562 			}
    563 			printf("\n");
    564 		}
    565 	}
    566 
    567 	return;
    568 }
    569 
    570 static void wi_dumpstats(iface)
    571 	char			*iface;
    572 {
    573 	struct wi_req		wreq;
    574 	struct wi_counters	*c;
    575 
    576 	bzero((char *)&wreq, sizeof(wreq));
    577 	wreq.wi_len = WI_MAX_DATALEN;
    578 	wreq.wi_type = WI_RID_IFACE_STATS;
    579 
    580 	wi_getval(iface, &wreq);
    581 
    582 	c = (struct wi_counters *)&wreq.wi_val;
    583 
    584 	printf("Transmitted unicast frames:\t\t%d\n",
    585 	    c->wi_tx_unicast_frames);
    586 	printf("Transmitted multicast frames:\t\t%d\n",
    587 	    c->wi_tx_multicast_frames);
    588 	printf("Transmitted fragments:\t\t\t%d\n",
    589 	    c->wi_tx_fragments);
    590 	printf("Transmitted unicast octets:\t\t%d\n",
    591 	    c->wi_tx_unicast_octets);
    592 	printf("Transmitted multicast octets:\t\t%d\n",
    593 	    c->wi_tx_multicast_octets);
    594 	printf("Single transmit retries:\t\t%d\n",
    595 	    c->wi_tx_single_retries);
    596 	printf("Multiple transmit retries:\t\t%d\n",
    597 	    c->wi_tx_multi_retries);
    598 	printf("Transmit retry limit exceeded:\t\t%d\n",
    599 	    c->wi_tx_retry_limit);
    600 	printf("Transmit discards:\t\t\t%d\n",
    601 	    c->wi_tx_discards);
    602 	printf("Transmit discards due to wrong SA:\t%d\n",
    603 	    c->wi_tx_discards_wrong_sa);
    604 	printf("Received unicast frames:\t\t%d\n",
    605 	    c->wi_rx_unicast_frames);
    606 	printf("Received multicast frames:\t\t%d\n",
    607 	    c->wi_rx_multicast_frames);
    608 	printf("Received fragments:\t\t\t%d\n",
    609 	    c->wi_rx_fragments);
    610 	printf("Received unicast octets:\t\t%d\n",
    611 	    c->wi_rx_unicast_octets);
    612 	printf("Received multicast octets:\t\t%d\n",
    613 	    c->wi_rx_multicast_octets);
    614 	printf("Receive FCS errors:\t\t\t%d\n",
    615 	    c->wi_rx_fcs_errors);
    616 	printf("Receive discards due to no buffer:\t%d\n",
    617 	    c->wi_rx_discards_nobuf);
    618 	printf("Can't decrypt WEP frame:\t\t%d\n",
    619 	    c->wi_rx_WEP_cant_decrypt);
    620 	printf("Received message fragments:\t\t%d\n",
    621 	    c->wi_rx_msg_in_msg_frags);
    622 	printf("Received message bad fragments:\t\t%d\n",
    623 	    c->wi_rx_msg_in_bad_msg_frags);
    624 
    625 	return;
    626 }
    627 
    628 static void
    629 usage()
    630 {
    631 	extern char *__progname;
    632 
    633 	fprintf(stderr,
    634 	    "usage: %s interface "
    635 	    "[-o] [-t tx rate] [-n network name] [-s station name]\n"
    636 	    "       [-e 0|1] [-k key [-v 1|2|3|4]] [-T 1|2|3|4]\n"
    637 	    "       [-c 0|1] [-q SSID] [-p port type] [-a access point density]\n"
    638 	    "       [-m MAC address] [-d max data length] [-r RTS threshold]\n"
    639 	    "       [-f frequency] [-P 0|1] [-S max sleep duration]\n",
    640 	    __progname);
    641 	exit(1);
    642 }
    643 
    644 int main(argc, argv)
    645 	int			argc;
    646 	char			*argv[];
    647 {
    648 	struct wi_table *wt, **table;
    649 	char *iface, *key, *keyv[4], *tx_crypt_key;
    650 	int ch, dumpinfo, dumpstats, modifier, oldind;
    651 
    652 #define	SET_OPERAND(opr, desc) do {				\
    653 	if ((opr) == NULL)					\
    654 		(opr) = optarg;					\
    655 	else							\
    656 		warnx("%s is already specified to %s",		\
    657 		    desc, (opr));				\
    658 } while (0)
    659 
    660 	dumpinfo = 1;
    661 	dumpstats = 0;
    662 	iface = key = keyv[0] = keyv[1] = keyv[2] = keyv[3] =
    663 	    tx_crypt_key = NULL;
    664 
    665 	if (argc > 1 && argv[1][0] != '-') {
    666 		iface = argv[1];
    667 		optind++;
    668 	}
    669 
    670 	while ((ch = getopt(argc, argv,
    671 	    "a:c:d:e:f:hi:k:m:n:op:q:r:s:t:S:P:T:")) != -1) {
    672 		if (ch != 'i')
    673 			dumpinfo = 0;
    674 		/*
    675 		 * Lookup generic options and remeber operand if found.
    676 		 */
    677 		for (table = wi_tables; *table != NULL; table++)
    678 			if ((wt = wi_optlookup(*table, ch)) != NULL) {
    679 				SET_OPERAND(wt->wi_optval, wt->wi_desc);
    680 				break;
    681 			}
    682 		if (wt == NULL)
    683 			/*
    684 			 * Handle special options.
    685 			 */
    686 			switch (ch) {
    687 			case 'o':
    688 				dumpstats = 1;
    689 				break;
    690 			case 'i':
    691 				SET_OPERAND(iface, "interface");
    692 				break;
    693 			case 'k':
    694 				key = optarg;
    695 				oldind = optind;
    696 				opterr = 0;
    697 				ch = getopt(argc, argv, "v:");
    698 				opterr = 1;
    699 				switch (ch) {
    700 				case 'v':
    701 					modifier = atoi(optarg) - 1;
    702 					break;
    703 				default:
    704 					modifier = 0;
    705 					optind = oldind;
    706 					break;
    707 				}
    708 				keyv[modifier] = key;
    709 				break;
    710 			case 'T':
    711 				SET_OPERAND(tx_crypt_key, "TX encryption key");
    712 				break;
    713 			case 'h':
    714 			default:
    715 				usage();
    716 				break;
    717 			}
    718 	}
    719 
    720 	if (iface == NULL)
    721 		usage();
    722 
    723 	for (table = wi_tables; *table != NULL; table++)
    724 		for (wt = *table; wt->wi_code != WI_NONE; wt++)
    725 			if (wt->wi_optval != NULL) {
    726 				switch (wt->wi_code) {
    727 				case WI_BOOL:
    728 				case WI_WORDS:
    729 					wi_setword(iface, wt->wi_type,
    730 					    atoi(wt->wi_optval));
    731 					break;
    732 				case WI_STRING:
    733 					wi_setstr(iface, wt->wi_type,
    734 					    wt->wi_optval);
    735 					break;
    736 				case WI_HEXBYTES:
    737 					wi_sethex(iface, wt->wi_type,
    738 					    wt->wi_optval);
    739 					break;
    740 				}
    741 			}
    742 
    743 	if (tx_crypt_key != NULL)
    744 		wi_setword(iface, WI_RID_TX_CRYPT_KEY, atoi(tx_crypt_key) - 1);
    745 
    746 	for (modifier = 0; modifier < sizeof(keyv) / sizeof(keyv[0]);
    747 	    modifier++)
    748 		if (keyv[modifier] != NULL)
    749 			wi_setkeys(iface, keyv[modifier], modifier);
    750 
    751 	if (dumpstats)
    752 		wi_dumpstats(iface);
    753 	if (dumpinfo)
    754 		wi_dumpinfo(iface);
    755 
    756 	exit(0);
    757 }
    758