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