xref: /netbsd-src/usr.sbin/usbdevs/usbdevs.c (revision deb6f0161a9109e7de9b519dc8dfb9478668dcdd)
1 /*	$NetBSD: usbdevs.c,v 1.36 2018/07/05 19:46:58 jmcneill 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@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 1.36 2018/07/05 19:46:58 jmcneill 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 		case USB_SPEED_SUPER_PLUS: printf("super speed+, "); break;
226 		default: break;
227 		}
228 		if (di.udi_power)
229 			printf("power %d mA, ", di.udi_power);
230 		else
231 			printf("self powered, ");
232 		if (di.udi_config)
233 			printf("config %d, ", di.udi_config);
234 		else
235 			printf("unconfigured, ");
236 	}
237 	u2t(di.udi_product, product);
238 	u2t(di.udi_vendor, vendor);
239 	u2t(di.udi_serial, serial);
240 	if (verbose) {
241 		printf("%s(0x%04x), %s(0x%04x), rev %s(0x%04x)",
242 		       product, di.udi_productNo,
243 		       vendor, di.udi_vendorNo,
244 			di.udi_release, di.udi_releaseNo);
245 		if (di.udi_serial[0])
246 			printf(", serial %s", serial);
247 	} else
248 		printf("%s, %s", product, vendor);
249 	printf("\n");
250 	if (verbose > 1 && di.udi_class != UICLASS_UNSPEC) {
251 		const char *cstr, *sstr;
252 		getstrings(class_strings, di.udi_class, di.udi_subclass, &cstr, &sstr);
253 		printf("%*s  %s(0x%02x), %s(0x%02x), proto %u\n", indent, "",
254 			cstr, di.udi_class, sstr, di.udi_subclass,
255 			di.udi_protocol);
256 	}
257 	if (showdevs) {
258 		for (i = 0; i < USB_MAX_DEVNAMES; i++)
259 			if (di.udi_devnames[i][0])
260 				printf("%*s  %s\n", indent, "",
261 				       di.udi_devnames[i]);
262 	}
263 	if (!rec)
264 		return;
265 
266 	unsigned int nports = di.udi_nports;
267 
268 	for (unsigned int p = 0; p < nports && p < __arraycount(di.udi_ports); p++) {
269 		int s = di.udi_ports[p];
270 		if (s >= USB_MAX_DEVICES) {
271 			if (verbose) {
272 				printf("%*sport %d %s\n", indent+1, "", p+1,
273 				       s == USB_PORT_ENABLED ? "enabled" :
274 				       s == USB_PORT_SUSPENDED ? "suspended" :
275 				       s == USB_PORT_POWERED ? "powered" :
276 				       s == USB_PORT_DISABLED ? "disabled" :
277 				       "???");
278 
279 			}
280 			continue;
281 		}
282 		indent++;
283 		printf("%*s", indent, "");
284 		if (verbose)
285 			printf("port %d ", p+1);
286 		if (s == 0)
287 			printf("addr 0 should never happen!\n");
288 		else
289 			usbdev(f, s, 1);
290 		indent--;
291 	}
292 }
293 
294 static void
295 usbdump(int f)
296 {
297 	int a;
298 
299 	for (a = 0; a < USB_MAX_DEVICES; a++) {
300 		if (!done[a])
301 			usbdev(f, a, 1);
302 	}
303 }
304 
305 static void
306 dumpone(char *name, int f, int addr)
307 {
308 	if (verbose)
309 		printf("Controller %s:\n", name);
310 	indent = 0;
311 	memset(done, 0, sizeof done);
312 	if (addr >= 0)
313 		usbdev(f, addr, 0);
314 	else
315 		usbdump(f);
316 }
317 
318 int
319 main(int argc, char **argv)
320 {
321 	int ch, i, f;
322 	char buf[50];
323 	char *dev = NULL;
324 	int addr = -1;
325 	int ncont;
326 
327 	while ((ch = getopt(argc, argv, "a:df:v?")) != -1) {
328 		switch(ch) {
329 		case 'a':
330 			addr = atoi(optarg);
331 			break;
332 		case 'd':
333 			showdevs++;
334 			break;
335 		case 'f':
336 			dev = optarg;
337 			break;
338 		case 'v':
339 			verbose++;
340 			break;
341 		case '?':
342 		default:
343 			usage();
344 		}
345 	}
346 	argc -= optind;
347 	argv += optind;
348 
349 	if (dev == NULL) {
350 		for (ncont = 0, i = 0; i < 10; i++) {
351 			snprintf(buf, sizeof(buf), "%s%d", USBDEV, i);
352 			f = open(buf, O_RDONLY);
353 			if (f >= 0) {
354 				dumpone(buf, f, addr);
355 				close(f);
356 			} else {
357 				if (errno == ENOENT || errno == ENXIO)
358 					continue;
359 				warn("%s", buf);
360 			}
361 			ncont++;
362 		}
363 		if (verbose && ncont == 0)
364 			printf("%s: no USB controllers found\n",
365 			    getprogname());
366 	} else {
367 		f = open(dev, O_RDONLY);
368 		if (f >= 0)
369 			dumpone(dev, f, addr);
370 		else
371 			err(1, "%s", dev);
372 	}
373 	exit(EXIT_SUCCESS);
374 }
375