usr.sbin/usbconfig/usbconfig.c

   1 /* $FreeBSD: head/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
  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_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
  91 struct token {
  92         const char *name;
  93         uint8_t value;
  94         uint8_t narg;
  95 };
  96
  97 enum {
  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
 128 static struct options options;
 129
 130 static 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
 161 static void
 162 be_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
 184 static void
 185 be_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
 207 static uint8_t
 208 get_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
 224 static uid_t
 225 num_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
 241 static int
 242 get_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
 258 static void
 259 duplicate_option(const char *ptr)
 260 {
 261         fprintf(stderr, "Syntax error: "
 262             "Duplicate option: '%s'\n", ptr);
 263         exit(1);
 264 }
 265
 266 static void
 267 usage(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
 302 static void
 303 reset_options(struct options *opt)
 304 {
 305         if (opt->buffer)
 306                 free(opt->buffer);
 307         memset(opt, 0, sizeof(*opt));
 308         return;
 309 }
 310
 311 static void
 312 flush_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         }
 521 done:
 522         reset_options(opt);
 523
 524         return;
 525 }
 526
 527 int
 528 main(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 }