xref: /freebsd/usr.sbin/usbconfig/usbconfig.c (revision c66308d7bcc3931b60a096bfe6ba0f50105e77de)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2008-2009 Hans Petter Selasky. All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 AUTHOR OR CONTRIBUTORS 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 
28 #include <stdbool.h>
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <stdint.h>
32 #include <err.h>
33 #include <sysexits.h>
34 #include <string.h>
35 #include <unistd.h>
36 #include <pwd.h>
37 #include <grp.h>
38 #include <errno.h>
39 #include <ctype.h>
40 #include <sys/param.h>
41 
42 #include <libusb20_desc.h>
43 #include <libusb20.h>
44 
45 #include "dump.h"
46 
47 struct options {
48 	const char *quirkname;
49 	void   *buffer;
50 	int template;
51 	gid_t	gid;
52 	uid_t	uid;
53 	mode_t	mode;
54 	uint32_t got_any;
55 	struct LIBUSB20_CONTROL_SETUP_DECODED setup;
56 	uint16_t bus;
57 	uint16_t addr;
58 	uint16_t iface;
59 	uint16_t vid;
60 	uint16_t pid;
61 	uint16_t lo_rev;		/* inclusive */
62 	uint16_t hi_rev;		/* inclusive */
63 	uint8_t	string_index;
64 	uint8_t	config_index;
65 	uint8_t	alt_index;
66 	uint8_t	got_list:1;
67 	uint8_t	got_bus:1;
68 	uint8_t	got_addr:1;
69 	uint8_t	got_set_config:1;
70 	uint8_t	got_set_alt:1;
71 	uint8_t	got_set_template:1;
72 	uint8_t	got_get_template:1;
73 	uint8_t	got_suspend:1;
74 	uint8_t	got_resume:1;
75 	uint8_t	got_reset:1;
76 	uint8_t	got_power_off:1;
77 	uint8_t	got_power_save:1;
78 	uint8_t	got_power_on:1;
79 	uint8_t	got_dump_device_quirks:1;
80 	uint8_t	got_dump_quirk_names:1;
81 	uint8_t	got_dump_all_desc:1;
82 	uint8_t	got_dump_device_desc:1;
83 	uint8_t	got_dump_curr_config:1;
84 	uint8_t	got_dump_all_config:1;
85 	uint8_t	got_dump_info:1;
86   	uint8_t	got_dump_stats:1;
87 	uint8_t	got_show_iface_driver:1;
88 	uint8_t	got_remove_device_quirk:1;
89 	uint8_t	got_add_device_quirk:1;
90 	uint8_t	got_remove_quirk:1;
91 	uint8_t	got_add_quirk:1;
92 	uint8_t	got_dump_string:1;
93 	uint8_t	got_do_request:1;
94 	uint8_t	got_detach_kernel_driver:1;
95 	uint8_t opt_dump_in_list_mode:1;
96 };
97 
98 struct token {
99 	const char *name;
100 	uint8_t	value;
101 	uint8_t	narg;
102 };
103 
104 enum {
105 	T_SET_CONFIG,
106 	T_SET_ALT,
107 	T_SET_TEMPLATE,
108 	T_GET_TEMPLATE,
109 	T_ADD_DEVICE_QUIRK,
110 	T_REMOVE_DEVICE_QUIRK,
111 	T_ADD_QUIRK,
112 	T_REMOVE_QUIRK,
113 	T_SHOW_IFACE_DRIVER,
114 	T_DETACH_KERNEL_DRIVER,
115 	T_DUMP_QUIRK_NAMES,
116 	T_DUMP_DEVICE_QUIRKS,
117 	T_DUMP_ALL_DESC,
118 	T_DUMP_DEVICE_DESC,
119 	T_DUMP_CURR_CONFIG_DESC,
120 	T_DUMP_ALL_CONFIG_DESC,
121 	T_DUMP_STRING,
122 	T_DUMP_INFO,
123 	T_DUMP_STATS,
124 	T_SUSPEND,
125 	T_RESUME,
126 	T_POWER_OFF,
127 	T_POWER_SAVE,
128 	T_POWER_ON,
129 	T_RESET,
130 	T_LIST,
131 	T_DO_REQUEST,
132 };
133 
134 static struct options options;
135 
136 static const struct token token[] = {
137 	{"set_config", T_SET_CONFIG, 1},
138 	{"set_alt", T_SET_ALT, 1},
139 	{"set_template", T_SET_TEMPLATE, 1},
140 	{"get_template", T_GET_TEMPLATE, 0},
141 	{"add_dev_quirk_vplh", T_ADD_DEVICE_QUIRK, 5},
142 	{"remove_dev_quirk_vplh", T_REMOVE_DEVICE_QUIRK, 5},
143 	{"add_quirk", T_ADD_QUIRK, 1},
144 	{"remove_quirk", T_REMOVE_QUIRK, 1},
145 	{"detach_kernel_driver", T_DETACH_KERNEL_DRIVER, 0},
146 	{"dump_quirk_names", T_DUMP_QUIRK_NAMES, 0},
147 	{"dump_device_quirks", T_DUMP_DEVICE_QUIRKS, 0},
148 	{"dump_all_desc", T_DUMP_ALL_DESC, 0},
149 	{"dump_device_desc", T_DUMP_DEVICE_DESC, 0},
150 	{"dump_curr_config_desc", T_DUMP_CURR_CONFIG_DESC, 0},
151 	{"dump_all_config_desc", T_DUMP_ALL_CONFIG_DESC, 0},
152 	{"dump_string", T_DUMP_STRING, 1},
153 	{"dump_info", T_DUMP_INFO, 0},
154 	{"dump_stats", T_DUMP_STATS, 0},
155 	{"show_ifdrv", T_SHOW_IFACE_DRIVER, 0},
156 	{"suspend", T_SUSPEND, 0},
157 	{"resume", T_RESUME, 0},
158 	{"power_off", T_POWER_OFF, 0},
159 	{"power_save", T_POWER_SAVE, 0},
160 	{"power_on", T_POWER_ON, 0},
161 	{"reset", T_RESET, 0},
162 	{"list", T_LIST, 0},
163 	{"do_request", T_DO_REQUEST, 5},
164 };
165 
166 static void
be_dev_remove_quirk(struct libusb20_backend * pbe,uint16_t vid,uint16_t pid,uint16_t lorev,uint16_t hirev,const char * str)167 be_dev_remove_quirk(struct libusb20_backend *pbe,
168     uint16_t vid, uint16_t pid, uint16_t lorev, uint16_t hirev,
169     const char *str)
170 {
171 	struct libusb20_quirk q;
172 	int error;
173 
174 	memset(&q, 0, sizeof(q));
175 
176 	q.vid = vid;
177 	q.pid = pid;
178 	q.bcdDeviceLow = lorev;
179 	q.bcdDeviceHigh = hirev;
180 	strlcpy(q.quirkname, str, sizeof(q.quirkname));
181 
182 	error = libusb20_be_remove_dev_quirk(pbe, &q);
183 	if (error) {
184 		fprintf(stderr, "Removing quirk '%s' failed, continuing.\n", str);
185 	}
186 }
187 
188 static void
be_dev_add_quirk(struct libusb20_backend * pbe,uint16_t vid,uint16_t pid,uint16_t lorev,uint16_t hirev,const char * str)189 be_dev_add_quirk(struct libusb20_backend *pbe,
190     uint16_t vid, uint16_t pid, uint16_t lorev, uint16_t hirev,
191     const char *str)
192 {
193 	struct libusb20_quirk q;
194 	int error;
195 
196 	memset(&q, 0, sizeof(q));
197 
198 	q.vid = vid;
199 	q.pid = pid;
200 	q.bcdDeviceLow = lorev;
201 	q.bcdDeviceHigh = hirev;
202 	strlcpy(q.quirkname, str, sizeof(q.quirkname));
203 
204 	error = libusb20_be_add_dev_quirk(pbe, &q);
205 	if (error) {
206 		fprintf(stderr, "Adding quirk '%s' failed, continuing.\n", str);
207 	}
208 }
209 
210 static uint8_t
get_token(const char * str,uint8_t narg)211 get_token(const char *str, uint8_t narg)
212 {
213 	uint8_t n;
214 
215 	for (n = 0; n != nitems(token); n++) {
216 		if (strcasecmp(str, token[n].name) == 0) {
217 			if (token[n].narg > narg) {
218 				/* too few arguments */
219 				break;
220 			}
221 			return (token[n].value);
222 		}
223 	}
224 	return (0 - 1);
225 }
226 
227 static uid_t
num_id(const char * name,const char * type)228 num_id(const char *name, const char *type)
229 {
230 	uid_t val;
231 	char *ep;
232 
233 	errno = 0;
234 	val = strtoul(name, &ep, 0);
235 	if (errno) {
236 		err(1, "%s", name);
237 	}
238 	if (*ep != '\0') {
239 		errx(1, "%s: illegal %s name", name, type);
240 	}
241 	return (val);
242 }
243 
244 static int
get_int(const char * s)245 get_int(const char *s)
246 {
247 	int val;
248 	char *ep;
249 
250 	errno = 0;
251 	val = strtoul(s, &ep, 0);
252 	if (errno) {
253 		err(1, "%s", s);
254 	}
255 	if (*ep != '\0') {
256 		errx(1, "illegal number: %s", s);
257 	}
258 	return val;
259 }
260 
261 static void
duplicate_option(const char * ptr)262 duplicate_option(const char *ptr)
263 {
264 	fprintf(stderr, "Syntax error: "
265 	    "Duplicate option: '%s'\n", ptr);
266 	exit(1);
267 }
268 
269 static void
usage(int exitcode)270 usage(int exitcode)
271 {
272 	fprintf(stderr, ""
273 	    "usbconfig - configure the USB subsystem" "\n"
274 	    "usage: usbconfig [-u <busnum>] [-a <devaddr>] [-i <ifaceindex>] [-v] [cmds...]" "\n"
275 	    "usage: usbconfig -d [ugen]<busnum>.<devaddr> [-i <ifaceindex>] [-v] [cmds...]" "\n"
276 	    "commands:" "\n"
277 	    "  set_config <cfg_index>" "\n"
278 	    "  set_alt <alt_index>" "\n"
279 	    "  set_template <template>" "\n"
280 	    "  get_template" "\n"
281 	    "  add_dev_quirk_vplh <vid> <pid> <lo_rev> <hi_rev> <quirk>" "\n"
282 	    "  remove_dev_quirk_vplh <vid> <pid> <lo_rev> <hi_rev> <quirk>" "\n"
283 	    "  add_quirk <quirk>" "\n"
284 	    "  remove_quirk <quirk>" "\n"
285 	    "  detach_kernel_driver" "\n"
286 	    "  dump_quirk_names" "\n"
287 	    "  dump_device_quirks" "\n"
288 	    "  dump_all_desc" "\n"
289 	    "  dump_device_desc" "\n"
290 	    "  dump_curr_config_desc" "\n"
291 	    "  dump_all_config_desc" "\n"
292 	    "  dump_string <index>" "\n"
293 	    "  dump_info" "\n"
294 	    "  dump_stats" "\n"
295 	    "  show_ifdrv" "\n"
296 	    "  suspend" "\n"
297 	    "  resume" "\n"
298 	    "  power_off" "\n"
299 	    "  power_save" "\n"
300 	    "  power_on" "\n"
301 	    "  reset" "\n"
302 	    "  list" "\n"
303 	    "  do_request <bmReqTyp> <bReq> <wVal> <wIdx> <wLen> <data...>" "\n"
304 	);
305 	exit(exitcode);
306 }
307 
308 static void
reset_options(struct options * opt)309 reset_options(struct options *opt)
310 {
311 	if (opt->buffer)
312 		free(opt->buffer);
313 	memset(opt, 0, sizeof(*opt));
314 }
315 
316 static void
flush_command(struct libusb20_backend * pbe,struct options * opt)317 flush_command(struct libusb20_backend *pbe, struct options *opt)
318 {
319 	struct libusb20_device *pdev = NULL;
320 	uint32_t matches = 0;
321 	uint8_t dump_any;
322 
323 	/* check for invalid option combinations */
324 	if ((opt->got_suspend +
325 	    opt->got_resume +
326 	    opt->got_reset +
327 	    opt->got_set_config +
328 	    opt->got_set_alt +
329 	    opt->got_power_save +
330 	    opt->got_power_on +
331 	    opt->got_power_off) > 1) {
332 		err(1, "can only specify one of 'set_config', "
333 		    "'set_alt', 'reset', 'suspend', 'resume', "
334 		    "'power_save', 'power_on' and 'power_off' "
335 		    "at the same time!");
336 	}
337 	if (opt->got_dump_quirk_names) {
338 		opt->got_any--;
339 		dump_be_quirk_names(pbe);
340 	}
341 	if (opt->got_dump_device_quirks) {
342 		opt->got_any--;
343 		dump_be_dev_quirks(pbe);
344 	}
345 	if (opt->got_remove_device_quirk) {
346 		opt->got_any--;
347 		be_dev_remove_quirk(pbe,
348 		    opt->vid, opt->pid, opt->lo_rev, opt->hi_rev, opt->quirkname);
349 	}
350 	if (opt->got_add_device_quirk) {
351 		opt->got_any--;
352 		be_dev_add_quirk(pbe,
353 		    opt->vid, opt->pid, opt->lo_rev, opt->hi_rev, opt->quirkname);
354 	}
355 	if (opt->got_set_template) {
356 		opt->got_any--;
357 		if (libusb20_be_set_template(pbe, opt->template)) {
358 			fprintf(stderr, "Setting USB template %u failed, "
359 			    "continuing.\n", opt->template);
360 		}
361 	}
362 	if (opt->got_get_template) {
363 		opt->got_any--;
364 		if (libusb20_be_get_template(pbe, &opt->template))
365 			printf("USB template: <unknown>\n");
366 		else
367 			printf("USB template: %u\n", opt->template);
368 	}
369 	if (opt->got_any == 0) {
370 		/*
371 		 * do not scan through all the devices if there are no valid
372 		 * options
373 		 */
374 		goto done;
375 	}
376 	while ((pdev = libusb20_be_device_foreach(pbe, pdev))) {
377 
378 		if (opt->got_bus &&
379 		    (libusb20_dev_get_bus_number(pdev) != opt->bus)) {
380 			continue;
381 		}
382 		if (opt->got_addr &&
383 		    (libusb20_dev_get_address(pdev) != opt->addr)) {
384 			continue;
385 		}
386 		matches++;
387 
388 		if (opt->got_remove_quirk) {
389 			struct LIBUSB20_DEVICE_DESC_DECODED *ddesc;
390 
391 			ddesc = libusb20_dev_get_device_desc(pdev);
392 
393 			be_dev_remove_quirk(pbe,
394 			    ddesc->idVendor, ddesc->idProduct,
395 			    ddesc->bcdDevice, ddesc->bcdDevice,
396 			    opt->quirkname);
397 		}
398 
399 		if (opt->got_add_quirk) {
400 			struct LIBUSB20_DEVICE_DESC_DECODED *ddesc;
401 
402 			ddesc = libusb20_dev_get_device_desc(pdev);
403 
404 			be_dev_add_quirk(pbe,
405 			    ddesc->idVendor, ddesc->idProduct,
406 			    ddesc->bcdDevice, ddesc->bcdDevice,
407 			    opt->quirkname);
408 		}
409 
410 		if (libusb20_dev_open(pdev, 0)) {
411 			err(1, "could not open device");
412 		}
413 		if (opt->got_dump_string) {
414 			dump_string_by_index(pdev, opt->string_index);
415 		}
416 		if (opt->got_do_request) {
417 			uint16_t actlen;
418 			uint16_t t;
419 
420 			if (libusb20_dev_request_sync(pdev, &opt->setup,
421 			    opt->buffer, &actlen, 5000 /* 5 seconds */ , 0)) {
422 				printf("REQUEST = <ERROR>\n");
423 			} else if (!(opt->setup.bmRequestType &
424 			    LIBUSB20_ENDPOINT_IN)) {
425 				printf("REQUEST = <OK>\n");
426 			} else {
427 				t = actlen;
428 				printf("REQUEST = <");
429 				for (t = 0; t != actlen; t++) {
430 					printf("0x%02x%s",
431 					    ((uint8_t *)opt->buffer)[t],
432 					    (t == (actlen - 1)) ? "" : " ");
433 				}
434 				printf("><");
435 				for (t = 0; t != actlen; t++) {
436 					char c;
437 
438 					c = ((uint8_t *)opt->buffer)[t];
439 					if ((c != '<') &&
440 					    (c != '>') && isprint(c)) {
441 						putchar(c);
442 					}
443 				}
444 				printf(">\n");
445 			}
446 		}
447 		if (opt->got_set_config) {
448 			if (libusb20_dev_set_config_index(pdev,
449 			    opt->config_index)) {
450 				err(1, "could not set config index");
451 			}
452 		}
453 		if (opt->got_set_alt) {
454 			if (libusb20_dev_set_alt_index(pdev, opt->iface,
455 			    opt->alt_index)) {
456 				err(1, "could not set alternate setting");
457 			}
458 		}
459 		if (opt->got_reset) {
460 			if (libusb20_dev_reset(pdev)) {
461 				err(1, "could not reset device");
462 			}
463 		}
464 		if (opt->got_suspend) {
465 			if (libusb20_dev_set_power_mode(pdev,
466 			    LIBUSB20_POWER_SUSPEND)) {
467 				err(1, "could not set suspend");
468 			}
469 		}
470 		if (opt->got_resume) {
471 			if (libusb20_dev_set_power_mode(pdev,
472 			    LIBUSB20_POWER_RESUME)) {
473 				err(1, "could not set resume");
474 			}
475 		}
476 		if (opt->got_power_off) {
477 			if (libusb20_dev_set_power_mode(pdev,
478 			    LIBUSB20_POWER_OFF)) {
479 				err(1, "could not set power OFF");
480 			}
481 		}
482 		if (opt->got_power_save) {
483 			if (libusb20_dev_set_power_mode(pdev,
484 			    LIBUSB20_POWER_SAVE)) {
485 				err(1, "could not set power SAVE");
486 			}
487 		}
488 		if (opt->got_power_on) {
489 			if (libusb20_dev_set_power_mode(pdev,
490 			    LIBUSB20_POWER_ON)) {
491 				err(1, "could not set power ON");
492 			}
493 		}
494 		if (opt->got_detach_kernel_driver) {
495 			if (libusb20_dev_detach_kernel_driver(pdev, opt->iface)) {
496 				err(1, "could not detach kernel driver");
497 			}
498 		}
499 		dump_any =
500 		    (opt->got_dump_all_desc ||
501 		    opt->got_dump_device_desc ||
502 		    opt->got_dump_curr_config ||
503 		    opt->got_dump_all_config ||
504 		    opt->got_dump_info ||
505 		    opt->got_dump_stats);
506 
507 		if (opt->got_list || dump_any) {
508 			dump_device_info(pdev,
509 			    opt->got_show_iface_driver,
510 			    opt->opt_dump_in_list_mode && opt->got_dump_device_desc);
511 		}
512 		if (opt->got_dump_device_desc) {
513 			if (!opt->opt_dump_in_list_mode)
514 				printf("\n");
515 			dump_device_desc(pdev, opt->opt_dump_in_list_mode);
516 		}
517 		if (opt->got_dump_all_config) {
518 			printf("\n");
519 			dump_config(pdev, 1);
520 		} else if (opt->got_dump_curr_config) {
521 			printf("\n");
522 			dump_config(pdev, 0);
523 		} else if (opt->got_dump_all_desc) {
524 			printf("\n");
525 			dump_device_desc(pdev, false);
526 			dump_config(pdev, 1);
527 		}
528 		if (opt->got_dump_stats) {
529 			printf("\n");
530 			dump_device_stats(pdev);
531 		}
532 		if (dump_any && !opt->opt_dump_in_list_mode) {
533 			printf("\n");
534 		}
535 		if (libusb20_dev_close(pdev)) {
536 			err(1, "could not close device");
537 		}
538 	}
539 
540 	if (matches == 0) {
541 		printf("No device match or lack of permissions.\n");
542 	}
543 done:
544 	reset_options(opt);
545 }
546 
547 int
main(int argc,char ** argv)548 main(int argc, char **argv)
549 {
550 	struct libusb20_backend *pbe;
551 	struct options *opt = &options;
552 	const char *ptr;
553 	int unit;
554 	int addr;
555 	int n;
556 	int t;
557 	int ch;
558 
559 	if (argc < 1) {
560 		usage(EX_USAGE);
561 	}
562 	pbe = libusb20_be_alloc_default();
563 	if (pbe == NULL)
564 		err(1, "could not access USB backend\n");
565 
566 	while ((ch = getopt(argc, argv, "a:d:hi:lu:v")) != -1) {
567 		switch (ch) {
568 		case 'a':
569 			opt->addr = num_id(optarg, "addr");
570 			opt->got_addr = 1;
571 			break;
572 
573 		case 'd':
574 			if (strncmp(optarg, "ugen", strlen("ugen")) == 0) {
575 				ptr = optarg + strlen("ugen");
576 			} else if (strncmp(optarg, "/dev/ugen",
577 			   strlen("/dev/ugen")) == 0) {
578 				ptr = optarg + strlen("/dev/ugen");
579 			} else {
580 				ptr = optarg;
581 			}
582 			if ((sscanf(ptr, "%d.%d",
583 			    &unit, &addr) != 2) ||
584 			    (unit < 0) || (unit > 65535) ||
585 			    (addr < 0) || (addr > 65535)) {
586 				errx(1, "cannot "
587 				    "parse '%s'", optarg);
588 			}
589 			opt->bus = unit;
590 			opt->addr = addr;
591 			opt->got_bus = 1;
592 			opt->got_addr = 1;
593 			break;
594 
595 		case 'h':
596 			usage(EX_OK);
597 			break;
598 
599 		case 'i':
600 			opt->iface = num_id(optarg, "iface");
601 			break;
602 
603 		case 'l':
604 			opt->opt_dump_in_list_mode = 1;
605 			break;
606 
607 		case 'u':
608 			opt->bus = num_id(optarg, "busnum");
609 			opt->got_bus = 1;
610 			break;
611 
612 		case 'v':
613 			opt->got_dump_device_desc = 1;
614 			opt->got_dump_curr_config = 1;
615 			opt->got_show_iface_driver = 1;
616 			opt->got_any += 2; /* only the dump options count */
617 			break;
618 
619 		default:
620 			usage(EX_USAGE);
621 		}
622 	}
623 	argc -= optind;
624 	argv += optind;
625 
626 	for (n = 0; n != argc; n++) {
627 
628 		/* get number of additional options */
629 		t = (argc - n - 1);
630 		if (t > 255)
631 			t = 255;
632 		switch (get_token(argv[n], t)) {
633 		case T_ADD_QUIRK:
634 			if (opt->got_add_quirk) {
635 				flush_command(pbe, opt);
636 			}
637 			opt->quirkname = argv[n + 1];
638 			n++;
639 
640 			opt->got_add_quirk = 1;
641 			opt->got_any++;
642 			break;
643 
644 		case T_REMOVE_QUIRK:
645 			if (opt->got_remove_quirk) {
646 				flush_command(pbe, opt);
647 			}
648 			opt->quirkname = argv[n + 1];
649 			n++;
650 
651 			opt->got_remove_quirk = 1;
652 			opt->got_any++;
653 			break;
654 
655 		case T_ADD_DEVICE_QUIRK:
656 			if (opt->got_add_device_quirk) {
657 				flush_command(pbe, opt);
658 			}
659 			opt->vid = num_id(argv[n + 1], "Vendor ID");
660 			opt->pid = num_id(argv[n + 2], "Product ID");
661 			opt->lo_rev = num_id(argv[n + 3], "Low Revision");
662 			opt->hi_rev = num_id(argv[n + 4], "High Revision");
663 			opt->quirkname = argv[n + 5];
664 			n += 5;
665 
666 			opt->got_add_device_quirk = 1;
667 			opt->got_any++;
668 			break;
669 
670 		case T_REMOVE_DEVICE_QUIRK:
671 			if (opt->got_remove_device_quirk) {
672 				flush_command(pbe, opt);
673 			}
674 			opt->vid = num_id(argv[n + 1], "Vendor ID");
675 			opt->pid = num_id(argv[n + 2], "Product ID");
676 			opt->lo_rev = num_id(argv[n + 3], "Low Revision");
677 			opt->hi_rev = num_id(argv[n + 4], "High Revision");
678 			opt->quirkname = argv[n + 5];
679 			n += 5;
680 			opt->got_remove_device_quirk = 1;
681 			opt->got_any++;
682 			break;
683 
684 		case T_DETACH_KERNEL_DRIVER:
685 			if (opt->got_detach_kernel_driver)
686 				duplicate_option(argv[n]);
687 			opt->got_detach_kernel_driver = 1;
688 			opt->got_any++;
689 			break;
690 
691 		case T_DUMP_QUIRK_NAMES:
692 			if (opt->got_dump_quirk_names)
693 				duplicate_option(argv[n]);
694 			opt->got_dump_quirk_names = 1;
695 			opt->got_any++;
696 			break;
697 
698 		case T_DUMP_DEVICE_QUIRKS:
699 			if (opt->got_dump_device_quirks)
700 				duplicate_option(argv[n]);
701 			opt->got_dump_device_quirks = 1;
702 			opt->got_any++;
703 			break;
704 
705 		case T_SHOW_IFACE_DRIVER:
706 			opt->got_show_iface_driver = 1;
707 			break;
708 
709 		case T_SET_CONFIG:
710 			if (opt->got_set_config)
711 				duplicate_option(argv[n]);
712 			opt->config_index = num_id(argv[n + 1], "cfg_index");
713 			opt->got_set_config = 1;
714 			opt->got_any++;
715 			n++;
716 			break;
717 		case T_SET_ALT:
718 			if (opt->got_set_alt)
719 				duplicate_option(argv[n]);
720 			opt->alt_index = num_id(argv[n + 1], "cfg_index");
721 			opt->got_set_alt = 1;
722 			opt->got_any++;
723 			n++;
724 			break;
725 		case T_SET_TEMPLATE:
726 			if (opt->got_set_template)
727 				duplicate_option(argv[n]);
728 			opt->template = get_int(argv[n + 1]);
729 			opt->got_set_template = 1;
730 			opt->got_any++;
731 			n++;
732 			break;
733 		case T_GET_TEMPLATE:
734 			if (opt->got_get_template)
735 				duplicate_option(argv[n]);
736 			opt->got_get_template = 1;
737 			opt->got_any++;
738 			break;
739 		case T_DUMP_ALL_DESC:
740 			if (opt->got_dump_all_desc)
741 				duplicate_option(argv[n]);
742 			opt->got_dump_all_desc = 1;
743 			opt->got_any++;
744 			break;
745 		case T_DUMP_DEVICE_DESC:
746 			if (opt->got_dump_device_desc)
747 				duplicate_option(argv[n]);
748 			opt->got_dump_device_desc = 1;
749 			opt->got_any++;
750 			break;
751 		case T_DUMP_CURR_CONFIG_DESC:
752 			if (opt->got_dump_curr_config)
753 				duplicate_option(argv[n]);
754 			opt->got_dump_curr_config = 1;
755 			opt->got_any++;
756 			break;
757 		case T_DUMP_ALL_CONFIG_DESC:
758 			if (opt->got_dump_all_config)
759 				duplicate_option(argv[n]);
760 			opt->got_dump_all_config = 1;
761 			opt->got_any++;
762 			break;
763 		case T_DUMP_INFO:
764 			if (opt->got_dump_info)
765 				duplicate_option(argv[n]);
766 			opt->got_dump_info = 1;
767 			opt->got_any++;
768 			break;
769 		case T_DUMP_STATS:
770 			if (opt->got_dump_stats)
771 				duplicate_option(argv[n]);
772 			opt->got_dump_stats = 1;
773 			opt->got_any++;
774 			break;
775 		case T_DUMP_STRING:
776 			if (opt->got_dump_string)
777 				duplicate_option(argv[n]);
778 			opt->string_index = num_id(argv[n + 1], "str_index");
779 			opt->got_dump_string = 1;
780 			opt->got_any++;
781 			n++;
782 			break;
783 		case T_SUSPEND:
784 			if (opt->got_suspend)
785 				duplicate_option(argv[n]);
786 			opt->got_suspend = 1;
787 			opt->got_any++;
788 			break;
789 		case T_RESUME:
790 			if (opt->got_resume)
791 				duplicate_option(argv[n]);
792 			opt->got_resume = 1;
793 			opt->got_any++;
794 			break;
795 		case T_POWER_OFF:
796 			if (opt->got_power_off)
797 				duplicate_option(argv[n]);
798 			opt->got_power_off = 1;
799 			opt->got_any++;
800 			break;
801 		case T_POWER_SAVE:
802 			if (opt->got_power_save)
803 				duplicate_option(argv[n]);
804 			opt->got_power_save = 1;
805 			opt->got_any++;
806 			break;
807 		case T_POWER_ON:
808 			if (opt->got_power_on)
809 				duplicate_option(argv[n]);
810 			opt->got_power_on = 1;
811 			opt->got_any++;
812 			break;
813 		case T_RESET:
814 			if (opt->got_reset)
815 				duplicate_option(argv[n]);
816 			opt->got_reset = 1;
817 			opt->got_any++;
818 			break;
819 		case T_LIST:
820 			if (opt->got_list)
821 				duplicate_option(argv[n]);
822 			opt->got_list = 1;
823 			opt->got_any++;
824 			break;
825 		case T_DO_REQUEST:
826 			if (opt->got_do_request)
827 				duplicate_option(argv[n]);
828 			LIBUSB20_INIT(LIBUSB20_CONTROL_SETUP, &opt->setup);
829 			opt->setup.bmRequestType = num_id(argv[n + 1], "bmReqTyp");
830 			opt->setup.bRequest = num_id(argv[n + 2], "bReq");
831 			opt->setup.wValue = num_id(argv[n + 3], "wVal");
832 			opt->setup.wIndex = num_id(argv[n + 4], "wIndex");
833 			opt->setup.wLength = num_id(argv[n + 5], "wLen");
834 			if (opt->setup.wLength != 0) {
835 				opt->buffer = malloc(opt->setup.wLength);
836 			} else {
837 				opt->buffer = NULL;
838 			}
839 
840 			n += 5;
841 
842 			if (!(opt->setup.bmRequestType &
843 			    LIBUSB20_ENDPOINT_IN)) {
844 				/* copy in data */
845 				t = (argc - n - 1);
846 				if (t < opt->setup.wLength) {
847 					err(1, "request data missing");
848 				}
849 				t = opt->setup.wLength;
850 				while (t--) {
851 					((uint8_t *)opt->buffer)[t] =
852 					    num_id(argv[n + t + 1], "req_data");
853 				}
854 				n += opt->setup.wLength;
855 			}
856 			opt->got_do_request = 1;
857 			opt->got_any++;
858 			break;
859 		default:
860 			if (n == 1) {
861 				ptr = argv[n];
862 
863 				if ((ptr[0] == 'u') &&
864 				    (ptr[1] == 'g') &&
865 				    (ptr[2] == 'e') &&
866 				    (ptr[3] == 'n'))
867 					ptr += 4;
868 
869 				if ((sscanf(ptr, "%d.%d",
870 				    &unit, &addr) != 2) ||
871 				    (unit < 0) || (unit > 65535) ||
872 				    (addr < 0) || (addr > 65535)) {
873 					usage(EX_USAGE);
874 					break;
875 				}
876 
877 				opt->bus = unit;
878 				opt->addr = addr;
879 				opt->got_bus = 1;
880 				opt->got_addr = 1;
881 				break;
882 			}
883 			usage(EX_USAGE);
884 			break;
885 		}
886 	}
887 	if (opt->got_any) {
888 		/* flush out last command */
889 		flush_command(pbe, opt);
890 	} else {
891 		/* list all the devices */
892 		opt->got_list = 1;
893 		opt->got_any++;
894 		flush_command(pbe, opt);
895 	}
896 	/* release data */
897 	libusb20_be_free(pbe);
898 
899 	return (0);
900 }
901