1/* $FreeBSD: releng/10.3/usr.sbin/usbconfig/usbconfig.c 248236 2013-03-13 12:23:14Z hselasky $ */
2/*-
3 * Copyright (c) 2008-2009 Hans Petter Selasky. 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 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <stdio.h>
28#include <stdlib.h>
29#include <stdint.h>
30#include <err.h>
31#include <string.h>
32#include <pwd.h>
33#include <grp.h>
34#include <errno.h>
35#include <ctype.h>
36#include <sys/types.h>
37
38#include <libusb20_desc.h>
39#include <libusb20.h>
40
41#include "dump.h"
42
43struct options {
44	const char *quirkname;
45	void   *buffer;
46	int template;
47	gid_t	gid;
48	uid_t	uid;
49	mode_t	mode;
50	uint32_t got_any;
51	struct LIBUSB20_CONTROL_SETUP_DECODED setup;
52	uint16_t bus;
53	uint16_t addr;
54	uint16_t iface;
55	uint16_t vid;
56	uint16_t pid;
57	uint16_t lo_rev;		/* inclusive */
58	uint16_t hi_rev;		/* inclusive */
59	uint8_t	string_index;
60	uint8_t	config_index;
61	uint8_t	alt_index;
62	uint8_t	got_list:1;
63	uint8_t	got_bus:1;
64	uint8_t	got_addr:1;
65	uint8_t	got_iface:1;
66	uint8_t	got_set_config:1;
67	uint8_t	got_set_alt:1;
68	uint8_t	got_set_template:1;
69	uint8_t	got_get_template:1;
70	uint8_t	got_suspend:1;
71	uint8_t	got_resume:1;
72	uint8_t	got_reset:1;
73	uint8_t	got_power_off:1;
74	uint8_t	got_power_save:1;
75	uint8_t	got_power_on:1;
76	uint8_t	got_dump_device_quirks:1;
77	uint8_t	got_dump_quirk_names:1;
78	uint8_t	got_dump_device_desc:1;
79	uint8_t	got_dump_curr_config:1;
80	uint8_t	got_dump_all_config:1;
81	uint8_t	got_dump_info:1;
82	uint8_t	got_show_iface_driver:1;
83	uint8_t	got_remove_device_quirk:1;
84	uint8_t	got_add_device_quirk:1;
85	uint8_t	got_remove_quirk:1;
86	uint8_t	got_add_quirk:1;
87	uint8_t	got_dump_string:1;
88	uint8_t	got_do_request:1;
89};
90
91struct token {
92	const char *name;
93	uint8_t	value;
94	uint8_t	narg;
95};
96
97enum {
98	T_UNIT,
99	T_ADDR,
100	T_UGEN,
101	T_IFACE,
102	T_SET_CONFIG,
103	T_SET_ALT,
104	T_SET_TEMPLATE,
105	T_GET_TEMPLATE,
106	T_ADD_DEVICE_QUIRK,
107	T_REMOVE_DEVICE_QUIRK,
108	T_ADD_QUIRK,
109	T_REMOVE_QUIRK,
110	T_SHOW_IFACE_DRIVER,
111	T_DUMP_QUIRK_NAMES,
112	T_DUMP_DEVICE_QUIRKS,
113	T_DUMP_DEVICE_DESC,
114	T_DUMP_CURR_CONFIG_DESC,
115	T_DUMP_ALL_CONFIG_DESC,
116	T_DUMP_STRING,
117	T_DUMP_INFO,
118	T_SUSPEND,
119	T_RESUME,
120	T_POWER_OFF,
121	T_POWER_SAVE,
122	T_POWER_ON,
123	T_RESET,
124	T_LIST,
125	T_DO_REQUEST,
126};
127
128static struct options options;
129
130static const struct token token[] = {
131	{"-u", T_UNIT, 1},
132	{"-a", T_ADDR, 1},
133	{"-d", T_UGEN, 1},
134	{"-i", T_IFACE, 1},
135	{"set_config", T_SET_CONFIG, 1},
136	{"set_alt", T_SET_ALT, 1},
137	{"set_template", T_SET_TEMPLATE, 1},
138	{"get_template", T_GET_TEMPLATE, 0},
139	{"add_dev_quirk_vplh", T_ADD_DEVICE_QUIRK, 5},
140	{"remove_dev_quirk_vplh", T_REMOVE_DEVICE_QUIRK, 5},
141	{"add_quirk", T_ADD_QUIRK, 1},
142	{"remove_quirk", T_REMOVE_QUIRK, 1},
143	{"dump_quirk_names", T_DUMP_QUIRK_NAMES, 0},
144	{"dump_device_quirks", T_DUMP_DEVICE_QUIRKS, 0},
145	{"dump_device_desc", T_DUMP_DEVICE_DESC, 0},
146	{"dump_curr_config_desc", T_DUMP_CURR_CONFIG_DESC, 0},
147	{"dump_all_config_desc", T_DUMP_ALL_CONFIG_DESC, 0},
148	{"dump_string", T_DUMP_STRING, 1},
149	{"dump_info", T_DUMP_INFO, 0},
150	{"show_ifdrv", T_SHOW_IFACE_DRIVER, 0},
151	{"suspend", T_SUSPEND, 0},
152	{"resume", T_RESUME, 0},
153	{"power_off", T_POWER_OFF, 0},
154	{"power_save", T_POWER_SAVE, 0},
155	{"power_on", T_POWER_ON, 0},
156	{"reset", T_RESET, 0},
157	{"list", T_LIST, 0},
158	{"do_request", T_DO_REQUEST, 5},
159};
160
161static void
162be_dev_remove_quirk(struct libusb20_backend *pbe,
163    uint16_t vid, uint16_t pid, uint16_t lorev, uint16_t hirev,
164    const char *str)
165{
166	struct libusb20_quirk q;
167	int error;
168
169	memset(&q, 0, sizeof(q));
170
171	q.vid = vid;
172	q.pid = pid;
173	q.bcdDeviceLow = lorev;
174	q.bcdDeviceHigh = hirev;
175	strlcpy(q.quirkname, str, sizeof(q.quirkname));
176
177	error = libusb20_be_remove_dev_quirk(pbe, &q);
178	if (error) {
179		fprintf(stderr, "Removing quirk '%s' failed, continuing.\n", str);
180	}
181	return;
182}
183
184static void
185be_dev_add_quirk(struct libusb20_backend *pbe,
186    uint16_t vid, uint16_t pid, uint16_t lorev, uint16_t hirev,
187    const char *str)
188{
189	struct libusb20_quirk q;
190	int error;
191
192	memset(&q, 0, sizeof(q));
193
194	q.vid = vid;
195	q.pid = pid;
196	q.bcdDeviceLow = lorev;
197	q.bcdDeviceHigh = hirev;
198	strlcpy(q.quirkname, str, sizeof(q.quirkname));
199
200	error = libusb20_be_add_dev_quirk(pbe, &q);
201	if (error) {
202		fprintf(stderr, "Adding quirk '%s' failed, continuing.\n", str);
203	}
204	return;
205}
206
207static uint8_t
208get_token(const char *str, uint8_t narg)
209{
210	uint8_t n;
211
212	for (n = 0; n != (sizeof(token) / sizeof(token[0])); n++) {
213		if (strcasecmp(str, token[n].name) == 0) {
214			if (token[n].narg > narg) {
215				/* too few arguments */
216				break;
217			}
218			return (token[n].value);
219		}
220	}
221	return (0 - 1);
222}
223
224static uid_t
225num_id(const char *name, const char *type)
226{
227	uid_t val;
228	char *ep;
229
230	errno = 0;
231	val = strtoul(name, &ep, 0);
232	if (errno) {
233		err(1, "%s", name);
234	}
235	if (*ep != '\0') {
236		errx(1, "%s: illegal %s name", name, type);
237	}
238	return (val);
239}
240
241static int
242get_int(const char *s)
243{
244	int val;
245	char *ep;
246
247	errno = 0;
248	val = strtoul(s, &ep, 0);
249	if (errno) {
250		err(1, "%s", s);
251	}
252	if (*ep != '\0') {
253		errx(1, "illegal number: %s", s);
254	}
255	return val;
256}
257
258static void
259duplicate_option(const char *ptr)
260{
261	fprintf(stderr, "Syntax error: "
262	    "Duplicate option: '%s'\n", ptr);
263	exit(1);
264}
265
266static void
267usage(void)
268{
269	fprintf(stderr, ""
270	    "usbconfig - configure the USB subsystem" "\n"
271	    "usage: usbconfig -u <busnum> -a <devaddr> -i <ifaceindex> [cmds...]" "\n"
272	    "usage: usbconfig -d [ugen]<busnum>.<devaddr> -i <ifaceindex> [cmds...]" "\n"
273	    "commands:" "\n"
274	    "  set_config <cfg_index>" "\n"
275	    "  set_alt <alt_index>" "\n"
276	    "  set_template <template>" "\n"
277	    "  get_template" "\n"
278	    "  add_dev_quirk_vplh <vid> <pid> <lo_rev> <hi_rev> <quirk>" "\n"
279	    "  remove_dev_quirk_vplh <vid> <pid> <lo_rev> <hi_rev> <quirk>" "\n"
280	    "  add_quirk <quirk>" "\n"
281	    "  remove_quirk <quirk>" "\n"
282	    "  dump_quirk_names" "\n"
283	    "  dump_device_quirks" "\n"
284	    "  dump_device_desc" "\n"
285	    "  dump_curr_config_desc" "\n"
286	    "  dump_all_config_desc" "\n"
287	    "  dump_string <index>" "\n"
288	    "  dump_info" "\n"
289	    "  show_ifdrv" "\n"
290	    "  suspend" "\n"
291	    "  resume" "\n"
292	    "  power_off" "\n"
293	    "  power_save" "\n"
294	    "  power_on" "\n"
295	    "  reset" "\n"
296	    "  list" "\n"
297	    "  do_request <bmReqTyp> <bReq> <wVal> <wIdx> <wLen> <data...>" "\n"
298	);
299	exit(1);
300}
301
302static void
303reset_options(struct options *opt)
304{
305	if (opt->buffer)
306		free(opt->buffer);
307	memset(opt, 0, sizeof(*opt));
308	return;
309}
310
311static void
312flush_command(struct libusb20_backend *pbe, struct options *opt)
313{
314	struct libusb20_device *pdev = NULL;
315	uint32_t matches = 0;
316	uint8_t dump_any;
317
318	/* check for invalid option combinations */
319	if ((opt->got_suspend +
320	    opt->got_resume +
321	    opt->got_reset +
322	    opt->got_set_config +
323	    opt->got_set_alt +
324	    opt->got_power_save +
325	    opt->got_power_on +
326	    opt->got_power_off) > 1) {
327		err(1, "can only specify one of 'set_config', "
328		    "'set_alt', 'reset', 'suspend', 'resume', "
329		    "'power_save', 'power_on' and 'power_off' "
330		    "at the same time!");
331	}
332	if (opt->got_dump_quirk_names) {
333		opt->got_any--;
334		dump_be_quirk_names(pbe);
335	}
336	if (opt->got_dump_device_quirks) {
337		opt->got_any--;
338		dump_be_dev_quirks(pbe);
339	}
340	if (opt->got_remove_device_quirk) {
341		opt->got_any--;
342		be_dev_remove_quirk(pbe,
343		    opt->vid, opt->pid, opt->lo_rev, opt->hi_rev, opt->quirkname);
344	}
345	if (opt->got_add_device_quirk) {
346		opt->got_any--;
347		be_dev_add_quirk(pbe,
348		    opt->vid, opt->pid, opt->lo_rev, opt->hi_rev, opt->quirkname);
349	}
350	if (opt->got_set_template) {
351		opt->got_any--;
352		if (libusb20_be_set_template(pbe, opt->template)) {
353			fprintf(stderr, "Setting USB template %u failed, "
354			    "continuing.\n", opt->template);
355		}
356	}
357	if (opt->got_get_template) {
358		opt->got_any--;
359		if (libusb20_be_get_template(pbe, &opt->template))
360			printf("USB template: <unknown>\n");
361		else
362			printf("USB template: %u\n", opt->template);
363	}
364	if (opt->got_any == 0) {
365		/*
366		 * do not scan through all the devices if there are no valid
367		 * options
368		 */
369		goto done;
370	}
371	while ((pdev = libusb20_be_device_foreach(pbe, pdev))) {
372
373		if (opt->got_bus &&
374		    (libusb20_dev_get_bus_number(pdev) != opt->bus)) {
375			continue;
376		}
377		if (opt->got_addr &&
378		    (libusb20_dev_get_address(pdev) != opt->addr)) {
379			continue;
380		}
381		matches++;
382
383		if (opt->got_remove_quirk) {
384			struct LIBUSB20_DEVICE_DESC_DECODED *ddesc;
385
386			ddesc = libusb20_dev_get_device_desc(pdev);
387
388			be_dev_remove_quirk(pbe,
389			    ddesc->idVendor, ddesc->idProduct,
390			    ddesc->bcdDevice, ddesc->bcdDevice,
391			    opt->quirkname);
392		}
393
394		if (opt->got_add_quirk) {
395			struct LIBUSB20_DEVICE_DESC_DECODED *ddesc;
396
397			ddesc = libusb20_dev_get_device_desc(pdev);
398
399			be_dev_add_quirk(pbe,
400			    ddesc->idVendor, ddesc->idProduct,
401			    ddesc->bcdDevice, ddesc->bcdDevice,
402			    opt->quirkname);
403		}
404
405		if (libusb20_dev_open(pdev, 0)) {
406			err(1, "could not open device");
407		}
408		if (opt->got_dump_string) {
409			dump_string_by_index(pdev, opt->string_index);
410		}
411		if (opt->got_do_request) {
412			uint16_t actlen;
413			uint16_t t;
414
415			if (libusb20_dev_request_sync(pdev, &opt->setup,
416			    opt->buffer, &actlen, 5000 /* 5 seconds */ , 0)) {
417				printf("REQUEST = <ERROR>\n");
418			} else if (!(opt->setup.bmRequestType &
419			    LIBUSB20_ENDPOINT_IN)) {
420				printf("REQUEST = <OK>\n");
421			} else {
422				t = actlen;
423				printf("REQUEST = <");
424				for (t = 0; t != actlen; t++) {
425					printf("0x%02x%s",
426					    ((uint8_t *)opt->buffer)[t],
427					    (t == (actlen - 1)) ? "" : " ");
428				}
429				printf("><");
430				for (t = 0; t != actlen; t++) {
431					char c;
432
433					c = ((uint8_t *)opt->buffer)[t];
434					if ((c != '<') &&
435					    (c != '>') && isprint(c)) {
436						putchar(c);
437					}
438				}
439				printf(">\n");
440			}
441		}
442		if (opt->got_set_config) {
443			if (libusb20_dev_set_config_index(pdev,
444			    opt->config_index)) {
445				err(1, "could not set config index");
446			}
447		}
448		if (opt->got_set_alt) {
449			if (libusb20_dev_set_alt_index(pdev, opt->iface,
450			    opt->alt_index)) {
451				err(1, "could not set alternate setting");
452			}
453		}
454		if (opt->got_reset) {
455			if (libusb20_dev_reset(pdev)) {
456				err(1, "could not reset device");
457			}
458		}
459		if (opt->got_suspend) {
460			if (libusb20_dev_set_power_mode(pdev,
461			    LIBUSB20_POWER_SUSPEND)) {
462				err(1, "could not set suspend");
463			}
464		}
465		if (opt->got_resume) {
466			if (libusb20_dev_set_power_mode(pdev,
467			    LIBUSB20_POWER_RESUME)) {
468				err(1, "could not set resume");
469			}
470		}
471		if (opt->got_power_off) {
472			if (libusb20_dev_set_power_mode(pdev,
473			    LIBUSB20_POWER_OFF)) {
474				err(1, "could not set power OFF");
475			}
476		}
477		if (opt->got_power_save) {
478			if (libusb20_dev_set_power_mode(pdev,
479			    LIBUSB20_POWER_SAVE)) {
480				err(1, "could not set power SAVE");
481			}
482		}
483		if (opt->got_power_on) {
484			if (libusb20_dev_set_power_mode(pdev,
485			    LIBUSB20_POWER_ON)) {
486				err(1, "could not set power ON");
487			}
488		}
489		dump_any =
490		    (opt->got_dump_device_desc ||
491		    opt->got_dump_curr_config ||
492		    opt->got_dump_all_config ||
493		    opt->got_dump_info);
494
495		if (opt->got_list || dump_any) {
496			dump_device_info(pdev,
497			    opt->got_show_iface_driver);
498		}
499		if (opt->got_dump_device_desc) {
500			printf("\n");
501			dump_device_desc(pdev);
502		}
503		if (opt->got_dump_all_config) {
504			printf("\n");
505			dump_config(pdev, 1);
506		} else if (opt->got_dump_curr_config) {
507			printf("\n");
508			dump_config(pdev, 0);
509		}
510		if (dump_any) {
511			printf("\n");
512		}
513		if (libusb20_dev_close(pdev)) {
514			err(1, "could not close device");
515		}
516	}
517
518	if (matches == 0) {
519		printf("No device match or lack of permissions.\n");
520	}
521done:
522	reset_options(opt);
523
524	return;
525}
526
527int
528main(int argc, char **argv)
529{
530	struct libusb20_backend *pbe;
531	struct options *opt = &options;
532	const char *ptr;
533	int unit;
534	int addr;
535	int n;
536	int t;
537
538	if (argc < 1) {
539		usage();
540	}
541	pbe = libusb20_be_alloc_default();
542	if (pbe == NULL)
543		err(1, "could not access USB backend\n");
544
545	for (n = 1; n != argc; n++) {
546
547		/* get number of additional options */
548		t = (argc - n - 1);
549		if (t > 255)
550			t = 255;
551		switch (get_token(argv[n], t)) {
552		case T_ADD_QUIRK:
553			if (opt->got_add_quirk) {
554				flush_command(pbe, opt);
555			}
556			opt->quirkname = argv[n + 1];
557			n++;
558
559			opt->got_add_quirk = 1;
560			opt->got_any++;
561			break;
562
563		case T_REMOVE_QUIRK:
564			if (opt->got_remove_quirk) {
565				flush_command(pbe, opt);
566			}
567			opt->quirkname = argv[n + 1];
568			n++;
569
570			opt->got_remove_quirk = 1;
571			opt->got_any++;
572			break;
573
574		case T_ADD_DEVICE_QUIRK:
575			if (opt->got_add_device_quirk) {
576				flush_command(pbe, opt);
577			}
578			opt->vid = num_id(argv[n + 1], "Vendor ID");
579			opt->pid = num_id(argv[n + 2], "Product ID");
580			opt->lo_rev = num_id(argv[n + 3], "Low Revision");
581			opt->hi_rev = num_id(argv[n + 4], "High Revision");
582			opt->quirkname = argv[n + 5];
583			n += 5;
584
585			opt->got_add_device_quirk = 1;
586			opt->got_any++;
587			break;
588
589		case T_REMOVE_DEVICE_QUIRK:
590			if (opt->got_remove_device_quirk) {
591				flush_command(pbe, opt);
592			}
593			opt->vid = num_id(argv[n + 1], "Vendor ID");
594			opt->pid = num_id(argv[n + 2], "Product ID");
595			opt->lo_rev = num_id(argv[n + 3], "Low Revision");
596			opt->hi_rev = num_id(argv[n + 4], "High Revision");
597			opt->quirkname = argv[n + 5];
598			n += 5;
599			opt->got_remove_device_quirk = 1;
600			opt->got_any++;
601			break;
602
603		case T_DUMP_QUIRK_NAMES:
604			if (opt->got_dump_quirk_names)
605				duplicate_option(argv[n]);
606			opt->got_dump_quirk_names = 1;
607			opt->got_any++;
608			break;
609
610		case T_DUMP_DEVICE_QUIRKS:
611			if (opt->got_dump_device_quirks)
612				duplicate_option(argv[n]);
613			opt->got_dump_device_quirks = 1;
614			opt->got_any++;
615			break;
616
617		case T_SHOW_IFACE_DRIVER:
618			opt->got_show_iface_driver = 1;
619			break;
620
621		case T_UGEN:
622			if (opt->got_any) {
623				/* allow multiple commands on the same line */
624				flush_command(pbe, opt);
625			}
626			ptr = argv[n + 1];
627
628			if ((ptr[0] == 'u') &&
629			    (ptr[1] == 'g') &&
630			    (ptr[2] == 'e') &&
631			    (ptr[3] == 'n'))
632				ptr += 4;
633
634			if ((sscanf(ptr, "%d.%d",
635			    &unit, &addr) != 2) ||
636			    (unit < 0) || (unit > 65535) ||
637			    (addr < 0) || (addr > 65535)) {
638				errx(1, "cannot "
639				    "parse '%s'", argv[n + 1]);
640			}
641			opt->bus = unit;
642			opt->addr = addr;
643			opt->got_bus = 1;
644			opt->got_addr = 1;
645			n++;
646			break;
647
648		case T_UNIT:
649			if (opt->got_any) {
650				/* allow multiple commands on the same line */
651				flush_command(pbe, opt);
652			}
653			opt->bus = num_id(argv[n + 1], "busnum");
654			opt->got_bus = 1;
655			n++;
656			break;
657		case T_ADDR:
658			opt->addr = num_id(argv[n + 1], "addr");
659			opt->got_addr = 1;
660			n++;
661			break;
662		case T_IFACE:
663			opt->iface = num_id(argv[n + 1], "iface");
664			opt->got_iface = 1;
665			n++;
666			break;
667		case T_SET_CONFIG:
668			if (opt->got_set_config)
669				duplicate_option(argv[n]);
670			opt->config_index = num_id(argv[n + 1], "cfg_index");
671			opt->got_set_config = 1;
672			opt->got_any++;
673			n++;
674			break;
675		case T_SET_ALT:
676			if (opt->got_set_alt)
677				duplicate_option(argv[n]);
678			opt->alt_index = num_id(argv[n + 1], "cfg_index");
679			opt->got_set_alt = 1;
680			opt->got_any++;
681			n++;
682			break;
683		case T_SET_TEMPLATE:
684			if (opt->got_set_template)
685				duplicate_option(argv[n]);
686			opt->template = get_int(argv[n + 1]);
687			opt->got_set_template = 1;
688			opt->got_any++;
689			n++;
690			break;
691		case T_GET_TEMPLATE:
692			if (opt->got_get_template)
693				duplicate_option(argv[n]);
694			opt->got_get_template = 1;
695			opt->got_any++;
696			break;
697		case T_DUMP_DEVICE_DESC:
698			if (opt->got_dump_device_desc)
699				duplicate_option(argv[n]);
700			opt->got_dump_device_desc = 1;
701			opt->got_any++;
702			break;
703		case T_DUMP_CURR_CONFIG_DESC:
704			if (opt->got_dump_curr_config)
705				duplicate_option(argv[n]);
706			opt->got_dump_curr_config = 1;
707			opt->got_any++;
708			break;
709		case T_DUMP_ALL_CONFIG_DESC:
710			if (opt->got_dump_all_config)
711				duplicate_option(argv[n]);
712			opt->got_dump_all_config = 1;
713			opt->got_any++;
714			break;
715		case T_DUMP_INFO:
716			if (opt->got_dump_info)
717				duplicate_option(argv[n]);
718			opt->got_dump_info = 1;
719			opt->got_any++;
720			break;
721		case T_DUMP_STRING:
722			if (opt->got_dump_string)
723				duplicate_option(argv[n]);
724			opt->string_index = num_id(argv[n + 1], "str_index");
725			opt->got_dump_string = 1;
726			opt->got_any++;
727			n++;
728			break;
729		case T_SUSPEND:
730			if (opt->got_suspend)
731				duplicate_option(argv[n]);
732			opt->got_suspend = 1;
733			opt->got_any++;
734			break;
735		case T_RESUME:
736			if (opt->got_resume)
737				duplicate_option(argv[n]);
738			opt->got_resume = 1;
739			opt->got_any++;
740			break;
741		case T_POWER_OFF:
742			if (opt->got_power_off)
743				duplicate_option(argv[n]);
744			opt->got_power_off = 1;
745			opt->got_any++;
746			break;
747		case T_POWER_SAVE:
748			if (opt->got_power_save)
749				duplicate_option(argv[n]);
750			opt->got_power_save = 1;
751			opt->got_any++;
752			break;
753		case T_POWER_ON:
754			if (opt->got_power_on)
755				duplicate_option(argv[n]);
756			opt->got_power_on = 1;
757			opt->got_any++;
758			break;
759		case T_RESET:
760			if (opt->got_reset)
761				duplicate_option(argv[n]);
762			opt->got_reset = 1;
763			opt->got_any++;
764			break;
765		case T_LIST:
766			if (opt->got_list)
767				duplicate_option(argv[n]);
768			opt->got_list = 1;
769			opt->got_any++;
770			break;
771		case T_DO_REQUEST:
772			if (opt->got_do_request)
773				duplicate_option(argv[n]);
774			LIBUSB20_INIT(LIBUSB20_CONTROL_SETUP, &opt->setup);
775			opt->setup.bmRequestType = num_id(argv[n + 1], "bmReqTyp");
776			opt->setup.bRequest = num_id(argv[n + 2], "bReq");
777			opt->setup.wValue = num_id(argv[n + 3], "wVal");
778			opt->setup.wIndex = num_id(argv[n + 4], "wIndex");
779			opt->setup.wLength = num_id(argv[n + 5], "wLen");
780			if (opt->setup.wLength != 0) {
781				opt->buffer = malloc(opt->setup.wLength);
782			} else {
783				opt->buffer = NULL;
784			}
785
786			n += 5;
787
788			if (!(opt->setup.bmRequestType &
789			    LIBUSB20_ENDPOINT_IN)) {
790				/* copy in data */
791				t = (argc - n - 1);
792				if (t < opt->setup.wLength) {
793					err(1, "request data missing");
794				}
795				t = opt->setup.wLength;
796				while (t--) {
797					((uint8_t *)opt->buffer)[t] =
798					    num_id(argv[n + t + 1], "req_data");
799				}
800				n += opt->setup.wLength;
801			}
802			opt->got_do_request = 1;
803			opt->got_any++;
804			break;
805		default:
806			usage();
807			break;
808		}
809	}
810	if (opt->got_any) {
811		/* flush out last command */
812		flush_command(pbe, opt);
813	} else {
814		/* list all the devices */
815		opt->got_list = 1;
816		opt->got_any++;
817		flush_command(pbe, opt);
818	}
819	/* release data */
820	libusb20_be_free(pbe);
821
822	return (0);
823}
824