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