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usbdevs.c revision 1.30.4.1 
      1 /*	$NetBSD: usbdevs.c,v 1.30.4.1 2017/04/05 19:54:23 snj Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Lennart Augustsson (augustss (at) NetBSD.org).
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 #ifndef lint
     34 __RCSID("$NetBSD: usbdevs.c,v 1.30.4.1 2017/04/05 19:54:23 snj Exp $");
     35 #endif
     36 
     37 #include <stdio.h>
     38 #include <stdlib.h>
     39 #include <string.h>
     40 #include <sys/types.h>
     41 #include <fcntl.h>
     42 #include <unistd.h>
     43 #include <err.h>
     44 #include <errno.h>
     45 #include <locale.h>
     46 #include <langinfo.h>
     47 #include <iconv.h>
     48 #include <dev/usb/usb.h>
     49 
     50 #define USBDEV "/dev/usb"
     51 
     52 static int verbose = 0;
     53 static int showdevs = 0;
     54 
     55 struct stringtable {
     56 	int row, col;
     57 	const char *string;
     58 };
     59 
     60 __dead static void usage(void);
     61 static void getstrings(const struct stringtable *, int, int, const char **, const char **);
     62 static void usbdev(int f, int a, int rec);
     63 static void usbdump(int f);
     64 static void dumpone(char *name, int f, int addr);
     65 
     66 static void
     67 usage(void)
     68 {
     69 
     70 	fprintf(stderr, "usage: %s [-dv] [-a addr] [-f dev]\n",
     71 	    getprogname());
     72 	exit(EXIT_FAILURE);
     73 }
     74 
     75 static char done[USB_MAX_DEVICES];
     76 static int indent;
     77 #define MAXLEN USB_MAX_ENCODED_STRING_LEN /* assume can't grow over UTF-8 */
     78 static char vendor[MAXLEN], product[MAXLEN], serial[MAXLEN];
     79 
     80 static void
     81 u2t(const char *utf8str, char *termstr)
     82 {
     83 	static iconv_t ic;
     84 	static int iconv_inited = 0;
     85 	size_t insz, outsz, icres;
     86 
     87 	if (!iconv_inited) {
     88 		setlocale(LC_ALL, "");
     89 		ic = iconv_open(nl_langinfo(CODESET), "UTF-8");
     90 		if (ic == (iconv_t)-1)
     91 			ic = iconv_open("ASCII", "UTF-8"); /* g.c.d. */
     92 		iconv_inited = 1;
     93 	}
     94 	if (ic != (iconv_t)-1) {
     95 		insz = strlen(utf8str);
     96 		outsz = MAXLEN - 1;
     97 		icres = iconv(ic, &utf8str, &insz, &termstr, &outsz);
     98 		if (icres != (size_t)-1) {
     99 			*termstr = '\0';
    100 			return;
    101 		}
    102 	}
    103 	strcpy(termstr, "(invalid)");
    104 }
    105 
    106 struct stringtable class_strings[] = {
    107 	{ UICLASS_UNSPEC,      -1, "Unspecified" },
    108 
    109 	{ UICLASS_AUDIO,       -1, "Audio" },
    110 	{ UICLASS_AUDIO,       UISUBCLASS_AUDIOCONTROL, "Audio Control" },
    111 	{ UICLASS_AUDIO,       UISUBCLASS_AUDIOSTREAM, "Audio Streaming" },
    112 	{ UICLASS_AUDIO,       UISUBCLASS_MIDISTREAM, "MIDI Streaming" },
    113 
    114 	{ UICLASS_CDC,         -1, "Communications and CDC Control" },
    115 	{ UICLASS_CDC,         UISUBCLASS_DIRECT_LINE_CONTROL_MODEL, "Direct Line" },
    116 	{ UICLASS_CDC,         UISUBCLASS_ABSTRACT_CONTROL_MODEL, "Abstract" },
    117 	{ UICLASS_CDC,         UISUBCLASS_TELEPHONE_CONTROL_MODEL, "Telephone" },
    118 	{ UICLASS_CDC,         UISUBCLASS_MULTICHANNEL_CONTROL_MODEL, "Multichannel" },
    119 	{ UICLASS_CDC,         UISUBCLASS_CAPI_CONTROLMODEL, "CAPI" },
    120 	{ UICLASS_CDC,         UISUBCLASS_ETHERNET_NETWORKING_CONTROL_MODEL, "Ethernet Networking" },
    121 	{ UICLASS_CDC,         UISUBCLASS_ATM_NETWORKING_CONTROL_MODEL, "ATM Networking" },
    122 
    123 	{ UICLASS_HID,         -1, "Human Interface Device" },
    124 	{ UICLASS_HID,         UISUBCLASS_BOOT, "Boot" },
    125 
    126 	{ UICLASS_PHYSICAL,    -1, "Physical" },
    127 
    128 	{ UICLASS_IMAGE,       -1, "Image" },
    129 
    130 	{ UICLASS_PRINTER,     -1, "Printer" },
    131 	{ UICLASS_PRINTER,     UISUBCLASS_PRINTER, "Printer" },
    132 
    133 	{ UICLASS_MASS,        -1, "Mass Storage" },
    134 	{ UICLASS_MASS,        UISUBCLASS_RBC, "RBC" },
    135 	{ UICLASS_MASS,        UISUBCLASS_SFF8020I, "SFF8020I" },
    136 	{ UICLASS_MASS,        UISUBCLASS_QIC157, "QIC157" },
    137 	{ UICLASS_MASS,        UISUBCLASS_UFI, "UFI" },
    138 	{ UICLASS_MASS,        UISUBCLASS_SFF8070I, "SFF8070I" },
    139 	{ UICLASS_MASS,        UISUBCLASS_SCSI, "SCSI" },
    140 	{ UICLASS_MASS,        UISUBCLASS_SCSI, "SCSI" },
    141 
    142 	{ UICLASS_HUB,         -1, "Hub" },
    143 	{ UICLASS_HUB,         UISUBCLASS_HUB, "Hub" },
    144 
    145 	{ UICLASS_CDC_DATA,    -1, "CDC-Data" },
    146 	{ UICLASS_CDC_DATA,    UISUBCLASS_DATA, "Data" },
    147 
    148 	{ UICLASS_SMARTCARD,   -1, "Smart Card" },
    149 
    150 	{ UICLASS_SECURITY,    -1, "Content Security" },
    151 
    152 	{ UICLASS_VIDEO,       -1, "Video" },
    153 	{ UICLASS_VIDEO,       UISUBCLASS_VIDEOCONTROL, "Video Control" },
    154 	{ UICLASS_VIDEO,       UISUBCLASS_VIDEOSTREAMING, "Video Streaming" },
    155 	{ UICLASS_VIDEO,       UISUBCLASS_VIDEOCOLLECTION, "Video Collection" },
    156 
    157 #ifdef notyet
    158 	{ UICLASS_HEALTHCARE,  -1, "Personal Healthcare" },
    159 	{ UICLASS_AVDEVICE,    -1, "Audio/Video Device" },
    160 	{ UICLASS_BILLBOARD,   -1, "Billboard" },
    161 #endif
    162 
    163 	{ UICLASS_DIAGNOSTIC,  -1, "Diagnostic" },
    164 	{ UICLASS_WIRELESS,    -1, "Wireless" },
    165 	{ UICLASS_WIRELESS,    UISUBCLASS_RF, "Radio Frequency" },
    166 
    167 #ifdef notyet
    168 	{ UICLASS_MISC,        -1, "Miscellaneous" },
    169 #endif
    170 
    171 	{ UICLASS_APPL_SPEC,   -1, "Application Specific" },
    172 	{ UICLASS_APPL_SPEC,   UISUBCLASS_FIRMWARE_DOWNLOAD, "Firmware Download" },
    173 	{ UICLASS_APPL_SPEC,   UISUBCLASS_IRDA,              "Irda" },
    174 
    175 	{ UICLASS_VENDOR,      -1, "Vendor Specific" },
    176 
    177 	{ -1, -1, NULL }
    178 };
    179 
    180 static void
    181 getstrings(const struct stringtable *table,
    182            int row, int col, const char **rp, const char **cp) {
    183 	static char rbuf[5], cbuf[5];
    184 
    185 	snprintf(rbuf, sizeof(rbuf), "0x%02x", row);
    186 	snprintf(cbuf, sizeof(cbuf), "0x%02x", col);
    187 
    188 	*rp = rbuf;
    189 	*cp = cbuf;
    190 
    191 	while (table->string != NULL) {
    192 		if (table->row == row) {
    193 			if (table->col == -1)
    194 				*rp = table->string;
    195 			else if (table->col == col)
    196 				*cp = table->string;
    197 		} else if (table->row > row)
    198 			break;
    199 
    200 		++table;
    201 	}
    202 }
    203 
    204 static void
    205 usbdev(int f, int a, int rec)
    206 {
    207 	struct usb_device_info di;
    208 	int e, i;
    209 
    210 	di.udi_addr = a;
    211 	e = ioctl(f, USB_DEVICEINFO, &di);
    212 	if (e) {
    213 		if (errno != ENXIO)
    214 			printf("addr %d: I/O error\n", a);
    215 		return;
    216 	}
    217 	printf("addr %d: ", a);
    218 	done[a] = 1;
    219 	if (verbose) {
    220 		switch (di.udi_speed) {
    221 		case USB_SPEED_LOW:  printf("low speed, "); break;
    222 		case USB_SPEED_FULL: printf("full speed, "); break;
    223 		case USB_SPEED_HIGH: printf("high speed, "); break;
    224 		case USB_SPEED_SUPER: printf("super speed, "); break;
    225 		default: break;
    226 		}
    227 		if (di.udi_power)
    228 			printf("power %d mA, ", di.udi_power);
    229 		else
    230 			printf("self powered, ");
    231 		if (di.udi_config)
    232 			printf("config %d, ", di.udi_config);
    233 		else
    234 			printf("unconfigured, ");
    235 	}
    236 	u2t(di.udi_product, product);
    237 	u2t(di.udi_vendor, vendor);
    238 	u2t(di.udi_serial, serial);
    239 	if (verbose) {
    240 		printf("%s(0x%04x), %s(0x%04x), rev %s(0x%04x)",
    241 		       product, di.udi_productNo,
    242 		       vendor, di.udi_vendorNo,
    243 			di.udi_release, di.udi_releaseNo);
    244 		if (di.udi_serial[0])
    245 			printf(", serial %s", serial);
    246 	} else
    247 		printf("%s, %s", product, vendor);
    248 	printf("\n");
    249 	if (verbose > 1 && di.udi_class != UICLASS_UNSPEC) {
    250 		const char *cstr, *sstr;
    251 		getstrings(class_strings, di.udi_class, di.udi_subclass, &cstr, &sstr);
    252 		printf("%*s  %s(0x%02x), %s(0x%02x), proto %u\n", indent, "",
    253 			cstr, di.udi_class, sstr, di.udi_subclass,
    254 			di.udi_protocol);
    255 	}
    256 	if (showdevs) {
    257 		for (i = 0; i < USB_MAX_DEVNAMES; i++)
    258 			if (di.udi_devnames[i][0])
    259 				printf("%*s  %s\n", indent, "",
    260 				       di.udi_devnames[i]);
    261 	}
    262 	if (!rec)
    263 		return;
    264 
    265 	unsigned int nports = di.udi_nports;
    266 
    267 	for (unsigned int p = 0; p < nports && p < __arraycount(di.udi_ports); p++) {
    268 		int s = di.udi_ports[p];
    269 		if (s >= USB_MAX_DEVICES) {
    270 			if (verbose) {
    271 				printf("%*sport %d %s\n", indent+1, "", p+1,
    272 				       s == USB_PORT_ENABLED ? "enabled" :
    273 				       s == USB_PORT_SUSPENDED ? "suspended" :
    274 				       s == USB_PORT_POWERED ? "powered" :
    275 				       s == USB_PORT_DISABLED ? "disabled" :
    276 				       "???");
    277 
    278 			}
    279 			continue;
    280 		}
    281 		indent++;
    282 		printf("%*s", indent, "");
    283 		if (verbose)
    284 			printf("port %d ", p+1);
    285 		if (s == 0)
    286 			printf("addr 0 should never happen!\n");
    287 		else
    288 			usbdev(f, s, 1);
    289 		indent--;
    290 	}
    291 }
    292 
    293 static void
    294 usbdump(int f)
    295 {
    296 	int a;
    297 
    298 	for (a = 0; a < USB_MAX_DEVICES; a++) {
    299 		if (!done[a])
    300 			usbdev(f, a, 1);
    301 	}
    302 }
    303 
    304 static void
    305 dumpone(char *name, int f, int addr)
    306 {
    307 	if (verbose)
    308 		printf("Controller %s:\n", name);
    309 	indent = 0;
    310 	memset(done, 0, sizeof done);
    311 	if (addr >= 0)
    312 		usbdev(f, addr, 0);
    313 	else
    314 		usbdump(f);
    315 }
    316 
    317 int
    318 main(int argc, char **argv)
    319 {
    320 	int ch, i, f;
    321 	char buf[50];
    322 	char *dev = NULL;
    323 	int addr = -1;
    324 	int ncont;
    325 
    326 	while ((ch = getopt(argc, argv, "a:df:v?")) != -1) {
    327 		switch(ch) {
    328 		case 'a':
    329 			addr = atoi(optarg);
    330 			break;
    331 		case 'd':
    332 			showdevs++;
    333 			break;
    334 		case 'f':
    335 			dev = optarg;
    336 			break;
    337 		case 'v':
    338 			verbose++;
    339 			break;
    340 		case '?':
    341 		default:
    342 			usage();
    343 		}
    344 	}
    345 	argc -= optind;
    346 	argv += optind;
    347 
    348 	if (dev == NULL) {
    349 		for (ncont = 0, i = 0; i < 10; i++) {
    350 			snprintf(buf, sizeof(buf), "%s%d", USBDEV, i);
    351 			f = open(buf, O_RDONLY);
    352 			if (f >= 0) {
    353 				dumpone(buf, f, addr);
    354 				close(f);
    355 			} else {
    356 				if (errno == ENOENT || errno == ENXIO)
    357 					continue;
    358 				warn("%s", buf);
    359 			}
    360 			ncont++;
    361 		}
    362 		if (verbose && ncont == 0)
    363 			printf("%s: no USB controllers found\n",
    364 			    getprogname());
    365 	} else {
    366 		f = open(dev, O_RDONLY);
    367 		if (f >= 0)
    368 			dumpone(dev, f, addr);
    369 		else
    370 			err(1, "%s", dev);
    371 	}
    372 	exit(EXIT_SUCCESS);
    373 }
    374