usr.sbin/usbconfig/usbconfig.c

   1 /* $FreeBSD$ */
   2 /*-
   3  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
   4  *
   5  * Copyright (c) 2008-2009 Hans Petter Selasky. All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  */
  28
  29 #include <stdio.h>
  30 #include <stdlib.h>
  31 #include <stdint.h>
  32 #include <err.h>
  33 #include <string.h>
  34 #include <pwd.h>
  35 #include <grp.h>
  36 #include <errno.h>
  37 #include <ctype.h>
  38 #include <sys/types.h>
  39
  40 #include <libusb20_desc.h>
  41 #include <libusb20.h>
  42
  43 #include "dump.h"
  44
  45 struct options {
  46         const char *quirkname;
  47         void   *buffer;
  48         int template;
  49         gid_t   gid;
  50         uid_t   uid;
  51         mode_t  mode;
  52         uint32_t got_any;
  53         struct LIBUSB20_CONTROL_SETUP_DECODED setup;
  54         uint16_t bus;
  55         uint16_t addr;
  56         uint16_t iface;
  57         uint16_t vid;
  58         uint16_t pid;
  59         uint16_t lo_rev;                /* inclusive */
  60         uint16_t hi_rev;                /* inclusive */
  61         uint8_t string_index;
  62         uint8_t config_index;
  63         uint8_t alt_index;
  64         uint8_t got_list:1;
  65         uint8_t got_bus:1;
  66         uint8_t got_addr:1;
  67         uint8_t got_iface:1;
  68         uint8_t got_set_config:1;
  69         uint8_t got_set_alt:1;
  70         uint8_t got_set_template:1;
  71         uint8_t got_get_template:1;
  72         uint8_t got_suspend:1;
  73         uint8_t got_resume:1;
  74         uint8_t got_reset:1;
  75         uint8_t got_power_off:1;
  76         uint8_t got_power_save:1;
  77         uint8_t got_power_on:1;
  78         uint8_t got_dump_device_quirks:1;
  79         uint8_t got_dump_quirk_names:1;
  80         uint8_t got_dump_all_desc:1;
  81         uint8_t got_dump_device_desc:1;
  82         uint8_t got_dump_curr_config:1;
  83         uint8_t got_dump_all_config:1;
  84         uint8_t got_dump_info:1;
  85         uint8_t got_show_iface_driver:1;
  86         uint8_t got_remove_device_quirk:1;
  87         uint8_t got_add_device_quirk:1;
  88         uint8_t got_remove_quirk:1;
  89         uint8_t got_add_quirk:1;
  90         uint8_t got_dump_string:1;
  91         uint8_t got_do_request:1;
  92         uint8_t got_detach_kernel_driver:1;
  93 };
  94
  95 struct token {
  96         const char *name;
  97         uint8_t value;
  98         uint8_t narg;
  99 };
 100
 101 enum {
 102         T_UNIT,
 103         T_ADDR,
 104         T_UGEN,
 105         T_IFACE,
 106         T_SET_CONFIG,
 107         T_SET_ALT,
 108         T_SET_TEMPLATE,
 109         T_GET_TEMPLATE,
 110         T_ADD_DEVICE_QUIRK,
 111         T_REMOVE_DEVICE_QUIRK,
 112         T_ADD_QUIRK,
 113         T_REMOVE_QUIRK,
 114         T_SHOW_IFACE_DRIVER,
 115         T_DETACH_KERNEL_DRIVER,
 116         T_DUMP_QUIRK_NAMES,
 117         T_DUMP_DEVICE_QUIRKS,
 118         T_DUMP_ALL_DESC,
 119         T_DUMP_DEVICE_DESC,
 120         T_DUMP_CURR_CONFIG_DESC,
 121         T_DUMP_ALL_CONFIG_DESC,
 122         T_DUMP_STRING,
 123         T_DUMP_INFO,
 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         {"show_ifdrv", T_SHOW_IFACE_DRIVER, 0},
 159         {"suspend", T_SUSPEND, 0},
 160         {"resume", T_RESUME, 0},
 161         {"power_off", T_POWER_OFF, 0},
 162         {"power_save", T_POWER_SAVE, 0},
 163         {"power_on", T_POWER_ON, 0},
 164         {"reset", T_RESET, 0},
 165         {"list", T_LIST, 0},
 166         {"do_request", T_DO_REQUEST, 5},
 167 };
 168
 169 static void
 170 be_dev_remove_quirk(struct libusb20_backend *pbe,
 171     uint16_t vid, uint16_t pid, uint16_t lorev, uint16_t hirev,
 172     const char *str)
 173 {
 174         struct libusb20_quirk q;
 175         int error;
 176
 177         memset(&q, 0, sizeof(q));
 178
 179         q.vid = vid;
 180         q.pid = pid;
 181         q.bcdDeviceLow = lorev;
 182         q.bcdDeviceHigh = hirev;
 183         strlcpy(q.quirkname, str, sizeof(q.quirkname));
 184
 185         error = libusb20_be_remove_dev_quirk(pbe, &q);
 186         if (error) {
 187                 fprintf(stderr, "Removing quirk '%s' failed, continuing.\n", str);
 188         }
 189         return;
 190 }
 191
 192 static void
 193 be_dev_add_quirk(struct libusb20_backend *pbe,
 194     uint16_t vid, uint16_t pid, uint16_t lorev, uint16_t hirev,
 195     const char *str)
 196 {
 197         struct libusb20_quirk q;
 198         int error;
 199
 200         memset(&q, 0, sizeof(q));
 201
 202         q.vid = vid;
 203         q.pid = pid;
 204         q.bcdDeviceLow = lorev;
 205         q.bcdDeviceHigh = hirev;
 206         strlcpy(q.quirkname, str, sizeof(q.quirkname));
 207
 208         error = libusb20_be_add_dev_quirk(pbe, &q);
 209         if (error) {
 210                 fprintf(stderr, "Adding quirk '%s' failed, continuing.\n", str);
 211         }
 212         return;
 213 }
 214
 215 static uint8_t
 216 get_token(const char *str, uint8_t narg)
 217 {
 218         uint8_t n;
 219
 220         for (n = 0; n != (sizeof(token) / sizeof(token[0])); n++) {
 221                 if (strcasecmp(str, token[n].name) == 0) {
 222                         if (token[n].narg > narg) {
 223                                 /* too few arguments */
 224                                 break;
 225                         }
 226                         return (token[n].value);
 227                 }
 228         }
 229         return (0 - 1);
 230 }
 231
 232 static uid_t
 233 num_id(const char *name, const char *type)
 234 {
 235         uid_t val;
 236         char *ep;
 237
 238         errno = 0;
 239         val = strtoul(name, &ep, 0);
 240         if (errno) {
 241                 err(1, "%s", name);
 242         }
 243         if (*ep != '\0') {
 244                 errx(1, "%s: illegal %s name", name, type);
 245         }
 246         return (val);
 247 }
 248
 249 static int
 250 get_int(const char *s)
 251 {
 252         int val;
 253         char *ep;
 254
 255         errno = 0;
 256         val = strtoul(s, &ep, 0);
 257         if (errno) {
 258                 err(1, "%s", s);
 259         }
 260         if (*ep != '\0') {
 261                 errx(1, "illegal number: %s", s);
 262         }
 263         return val;
 264 }
 265
 266 static void
 267 duplicate_option(const char *ptr)
 268 {
 269         fprintf(stderr, "Syntax error: "
 270             "Duplicate option: '%s'\n", ptr);
 271         exit(1);
 272 }
 273
 274 static void
 275 usage(void)
 276 {
 277         fprintf(stderr, ""
 278             "usbconfig - configure the USB subsystem" "\n"
 279             "usage: usbconfig -u <busnum> -a <devaddr> -i <ifaceindex> [cmds...]" "\n"
 280             "usage: usbconfig -d [ugen]<busnum>.<devaddr> -i <ifaceindex> [cmds...]" "\n"
 281             "commands:" "\n"
 282             "  set_config <cfg_index>" "\n"
 283             "  set_alt <alt_index>" "\n"
 284             "  set_template <template>" "\n"
 285             "  get_template" "\n"
 286             "  add_dev_quirk_vplh <vid> <pid> <lo_rev> <hi_rev> <quirk>" "\n"
 287             "  remove_dev_quirk_vplh <vid> <pid> <lo_rev> <hi_rev> <quirk>" "\n"
 288             "  add_quirk <quirk>" "\n"
 289             "  remove_quirk <quirk>" "\n"
 290             "  detach_kernel_driver" "\n"
 291             "  dump_quirk_names" "\n"
 292             "  dump_device_quirks" "\n"
 293             "  dump_all_desc" "\n"
 294             "  dump_device_desc" "\n"
 295             "  dump_curr_config_desc" "\n"
 296             "  dump_all_config_desc" "\n"
 297             "  dump_string <index>" "\n"
 298             "  dump_info" "\n"
 299             "  show_ifdrv" "\n"
 300             "  suspend" "\n"
 301             "  resume" "\n"
 302             "  power_off" "\n"
 303             "  power_save" "\n"
 304             "  power_on" "\n"
 305             "  reset" "\n"
 306             "  list" "\n"
 307             "  do_request <bmReqTyp> <bReq> <wVal> <wIdx> <wLen> <data...>" "\n"
 308         );
 309         exit(1);
 310 }
 311
 312 static void
 313 reset_options(struct options *opt)
 314 {
 315         if (opt->buffer)
 316                 free(opt->buffer);
 317         memset(opt, 0, sizeof(*opt));
 318         return;
 319 }
 320
 321 static void
 322 flush_command(struct libusb20_backend *pbe, struct options *opt)
 323 {
 324         struct libusb20_device *pdev = NULL;
 325         uint32_t matches = 0;
 326         uint8_t dump_any;
 327
 328         /* check for invalid option combinations */
 329         if ((opt->got_suspend +
 330             opt->got_resume +
 331             opt->got_reset +
 332             opt->got_set_config +
 333             opt->got_set_alt +
 334             opt->got_power_save +
 335             opt->got_power_on +
 336             opt->got_power_off) > 1) {
 337                 err(1, "can only specify one of 'set_config', "
 338                     "'set_alt', 'reset', 'suspend', 'resume', "
 339                     "'power_save', 'power_on' and 'power_off' "
 340                     "at the same time!");
 341         }
 342         if (opt->got_dump_quirk_names) {
 343                 opt->got_any--;
 344                 dump_be_quirk_names(pbe);
 345         }
 346         if (opt->got_dump_device_quirks) {
 347                 opt->got_any--;
 348                 dump_be_dev_quirks(pbe);
 349         }
 350         if (opt->got_remove_device_quirk) {
 351                 opt->got_any--;
 352                 be_dev_remove_quirk(pbe,
 353                     opt->vid, opt->pid, opt->lo_rev, opt->hi_rev, opt->quirkname);
 354         }
 355         if (opt->got_add_device_quirk) {
 356                 opt->got_any--;
 357                 be_dev_add_quirk(pbe,
 358                     opt->vid, opt->pid, opt->lo_rev, opt->hi_rev, opt->quirkname);
 359         }
 360         if (opt->got_set_template) {
 361                 opt->got_any--;
 362                 if (libusb20_be_set_template(pbe, opt->template)) {
 363                         fprintf(stderr, "Setting USB template %u failed, "
 364                             "continuing.\n", opt->template);
 365                 }
 366         }
 367         if (opt->got_get_template) {
 368                 opt->got_any--;
 369                 if (libusb20_be_get_template(pbe, &opt->template))
 370                         printf("USB template: <unknown>\n");
 371                 else
 372                         printf("USB template: %u\n", opt->template);
 373         }
 374         if (opt->got_any == 0) {
 375                 /*
 376                  * do not scan through all the devices if there are no valid
 377                  * options
 378                  */
 379                 goto done;
 380         }
 381         while ((pdev = libusb20_be_device_foreach(pbe, pdev))) {
 382
 383                 if (opt->got_bus &&
 384                     (libusb20_dev_get_bus_number(pdev) != opt->bus)) {
 385                         continue;
 386                 }
 387                 if (opt->got_addr &&
 388                     (libusb20_dev_get_address(pdev) != opt->addr)) {
 389                         continue;
 390                 }
 391                 matches++;
 392
 393                 if (opt->got_remove_quirk) {
 394                         struct LIBUSB20_DEVICE_DESC_DECODED *ddesc;
 395
 396                         ddesc = libusb20_dev_get_device_desc(pdev);
 397
 398                         be_dev_remove_quirk(pbe,
 399                             ddesc->idVendor, ddesc->idProduct,
 400                             ddesc->bcdDevice, ddesc->bcdDevice,
 401                             opt->quirkname);
 402                 }
 403
 404                 if (opt->got_add_quirk) {
 405                         struct LIBUSB20_DEVICE_DESC_DECODED *ddesc;
 406
 407                         ddesc = libusb20_dev_get_device_desc(pdev);
 408
 409                         be_dev_add_quirk(pbe,
 410                             ddesc->idVendor, ddesc->idProduct,
 411                             ddesc->bcdDevice, ddesc->bcdDevice,
 412                             opt->quirkname);
 413                 }
 414
 415                 if (libusb20_dev_open(pdev, 0)) {
 416                         err(1, "could not open device");
 417                 }
 418                 if (opt->got_dump_string) {
 419                         dump_string_by_index(pdev, opt->string_index);
 420                 }
 421                 if (opt->got_do_request) {
 422                         uint16_t actlen;
 423                         uint16_t t;
 424
 425                         if (libusb20_dev_request_sync(pdev, &opt->setup,
 426                             opt->buffer, &actlen, 5000 /* 5 seconds */ , 0)) {
 427                                 printf("REQUEST = <ERROR>\n");
 428                         } else if (!(opt->setup.bmRequestType &
 429                             LIBUSB20_ENDPOINT_IN)) {
 430                                 printf("REQUEST = <OK>\n");
 431                         } else {
 432                                 t = actlen;
 433                                 printf("REQUEST = <");
 434                                 for (t = 0; t != actlen; t++) {
 435                                         printf("0x%02x%s",
 436                                             ((uint8_t *)opt->buffer)[t],
 437                                             (t == (actlen - 1)) ? "" : " ");
 438                                 }
 439                                 printf("><");
 440                                 for (t = 0; t != actlen; t++) {
 441                                         char c;
 442
 443                                         c = ((uint8_t *)opt->buffer)[t];
 444                                         if ((c != '<') &&
 445                                             (c != '>') && isprint(c)) {
 446                                                 putchar(c);
 447                                         }
 448                                 }
 449                                 printf(">\n");
 450                         }
 451                 }
 452                 if (opt->got_set_config) {
 453                         if (libusb20_dev_set_config_index(pdev,
 454                             opt->config_index)) {
 455                                 err(1, "could not set config index");
 456                         }
 457                 }
 458                 if (opt->got_set_alt) {
 459                         if (libusb20_dev_set_alt_index(pdev, opt->iface,
 460                             opt->alt_index)) {
 461                                 err(1, "could not set alternate setting");
 462                         }
 463                 }
 464                 if (opt->got_reset) {
 465                         if (libusb20_dev_reset(pdev)) {
 466                                 err(1, "could not reset device");
 467                         }
 468                 }
 469                 if (opt->got_suspend) {
 470                         if (libusb20_dev_set_power_mode(pdev,
 471                             LIBUSB20_POWER_SUSPEND)) {
 472                                 err(1, "could not set suspend");
 473                         }
 474                 }
 475                 if (opt->got_resume) {
 476                         if (libusb20_dev_set_power_mode(pdev,
 477                             LIBUSB20_POWER_RESUME)) {
 478                                 err(1, "could not set resume");
 479                         }
 480                 }
 481                 if (opt->got_power_off) {
 482                         if (libusb20_dev_set_power_mode(pdev,
 483                             LIBUSB20_POWER_OFF)) {
 484                                 err(1, "could not set power OFF");
 485                         }
 486                 }
 487                 if (opt->got_power_save) {
 488                         if (libusb20_dev_set_power_mode(pdev,
 489                             LIBUSB20_POWER_SAVE)) {
 490                                 err(1, "could not set power SAVE");
 491                         }
 492                 }
 493                 if (opt->got_power_on) {
 494                         if (libusb20_dev_set_power_mode(pdev,
 495                             LIBUSB20_POWER_ON)) {
 496                                 err(1, "could not set power ON");
 497                         }
 498                 }
 499                 if (opt->got_detach_kernel_driver) {
 500                         if (libusb20_dev_detach_kernel_driver(pdev, opt->iface)) {
 501                                 err(1, "could not detach kernel driver");
 502                         }
 503                 }
 504                 dump_any =
 505                     (opt->got_dump_all_desc ||
 506                     opt->got_dump_device_desc ||
 507                     opt->got_dump_curr_config ||
 508                     opt->got_dump_all_config ||
 509                     opt->got_dump_info);
 510
 511                 if (opt->got_list || dump_any) {
 512                         dump_device_info(pdev,
 513                             opt->got_show_iface_driver);
 514                 }
 515                 if (opt->got_dump_device_desc) {
 516                         printf("\n");
 517                         dump_device_desc(pdev);
 518                 }
 519                 if (opt->got_dump_all_config) {
 520                         printf("\n");
 521                         dump_config(pdev, 1);
 522                 } else if (opt->got_dump_curr_config) {
 523                         printf("\n");
 524                         dump_config(pdev, 0);
 525                 } else if (opt->got_dump_all_desc) {
 526                         printf("\n");
 527                         dump_device_desc(pdev);
 528                         dump_config(pdev, 1);
 529                 }
 530                 if (dump_any) {
 531                         printf("\n");
 532                 }
 533                 if (libusb20_dev_close(pdev)) {
 534                         err(1, "could not close device");
 535                 }
 536         }
 537
 538         if (matches == 0) {
 539                 printf("No device match or lack of permissions.\n");
 540         }
 541 done:
 542         reset_options(opt);
 543
 544         return;
 545 }
 546
 547 int
 548 main(int argc, char **argv)
 549 {
 550         struct libusb20_backend *pbe;
 551         struct options *opt = &options;
 552         const char *ptr;
 553         int unit;
 554         int addr;
 555         int n;
 556         int t;
 557
 558         if (argc < 1) {
 559                 usage();
 560         }
 561         pbe = libusb20_be_alloc_default();
 562         if (pbe == NULL)
 563                 err(1, "could not access USB backend\n");
 564
 565         for (n = 1; n != argc; n++) {
 566
 567                 /* get number of additional options */
 568                 t = (argc - n - 1);
 569                 if (t > 255)
 570                         t = 255;
 571                 switch (get_token(argv[n], t)) {
 572                 case T_ADD_QUIRK:
 573                         if (opt->got_add_quirk) {
 574                                 flush_command(pbe, opt);
 575                         }
 576                         opt->quirkname = argv[n + 1];
 577                         n++;
 578
 579                         opt->got_add_quirk = 1;
 580                         opt->got_any++;
 581                         break;
 582
 583                 case T_REMOVE_QUIRK:
 584                         if (opt->got_remove_quirk) {
 585                                 flush_command(pbe, opt);
 586                         }
 587                         opt->quirkname = argv[n + 1];
 588                         n++;
 589
 590                         opt->got_remove_quirk = 1;
 591                         opt->got_any++;
 592                         break;
 593
 594                 case T_ADD_DEVICE_QUIRK:
 595                         if (opt->got_add_device_quirk) {
 596                                 flush_command(pbe, opt);
 597                         }
 598                         opt->vid = num_id(argv[n + 1], "Vendor ID");
 599                         opt->pid = num_id(argv[n + 2], "Product ID");
 600                         opt->lo_rev = num_id(argv[n + 3], "Low Revision");
 601                         opt->hi_rev = num_id(argv[n + 4], "High Revision");
 602                         opt->quirkname = argv[n + 5];
 603                         n += 5;
 604
 605                         opt->got_add_device_quirk = 1;
 606                         opt->got_any++;
 607                         break;
 608
 609                 case T_REMOVE_DEVICE_QUIRK:
 610                         if (opt->got_remove_device_quirk) {
 611                                 flush_command(pbe, opt);
 612                         }
 613                         opt->vid = num_id(argv[n + 1], "Vendor ID");
 614                         opt->pid = num_id(argv[n + 2], "Product ID");
 615                         opt->lo_rev = num_id(argv[n + 3], "Low Revision");
 616                         opt->hi_rev = num_id(argv[n + 4], "High Revision");
 617                         opt->quirkname = argv[n + 5];
 618                         n += 5;
 619                         opt->got_remove_device_quirk = 1;
 620                         opt->got_any++;
 621                         break;
 622
 623                 case T_DETACH_KERNEL_DRIVER:
 624                         if (opt->got_detach_kernel_driver)
 625                                 duplicate_option(argv[n]);
 626                         opt->got_detach_kernel_driver = 1;
 627                         opt->got_any++;
 628                         break;
 629
 630                 case T_DUMP_QUIRK_NAMES:
 631                         if (opt->got_dump_quirk_names)
 632                                 duplicate_option(argv[n]);
 633                         opt->got_dump_quirk_names = 1;
 634                         opt->got_any++;
 635                         break;
 636
 637                 case T_DUMP_DEVICE_QUIRKS:
 638                         if (opt->got_dump_device_quirks)
 639                                 duplicate_option(argv[n]);
 640                         opt->got_dump_device_quirks = 1;
 641                         opt->got_any++;
 642                         break;
 643
 644                 case T_SHOW_IFACE_DRIVER:
 645                         opt->got_show_iface_driver = 1;
 646                         break;
 647
 648                 case T_UGEN:
 649                         if (opt->got_any) {
 650                                 /* allow multiple commands on the same line */
 651                                 flush_command(pbe, opt);
 652                         }
 653                         ptr = argv[n + 1];
 654
 655                         if ((ptr[0] == 'u') &&
 656                             (ptr[1] == 'g') &&
 657                             (ptr[2] == 'e') &&
 658                             (ptr[3] == 'n'))
 659                                 ptr += 4;
 660
 661                         if ((sscanf(ptr, "%d.%d",
 662                             &unit, &addr) != 2) ||
 663                             (unit < 0) || (unit > 65535) ||
 664                             (addr < 0) || (addr > 65535)) {
 665                                 errx(1, "cannot "
 666                                     "parse '%s'", argv[n + 1]);
 667                         }
 668                         opt->bus = unit;
 669                         opt->addr = addr;
 670                         opt->got_bus = 1;
 671                         opt->got_addr = 1;
 672                         n++;
 673                         break;
 674
 675                 case T_UNIT:
 676                         if (opt->got_any) {
 677                                 /* allow multiple commands on the same line */
 678                                 flush_command(pbe, opt);
 679                         }
 680                         opt->bus = num_id(argv[n + 1], "busnum");
 681                         opt->got_bus = 1;
 682                         n++;
 683                         break;
 684                 case T_ADDR:
 685                         opt->addr = num_id(argv[n + 1], "addr");
 686                         opt->got_addr = 1;
 687                         n++;
 688                         break;
 689                 case T_IFACE:
 690                         opt->iface = num_id(argv[n + 1], "iface");
 691                         opt->got_iface = 1;
 692                         n++;
 693                         break;
 694                 case T_SET_CONFIG:
 695                         if (opt->got_set_config)
 696                                 duplicate_option(argv[n]);
 697                         opt->config_index = num_id(argv[n + 1], "cfg_index");
 698                         opt->got_set_config = 1;
 699                         opt->got_any++;
 700                         n++;
 701                         break;
 702                 case T_SET_ALT:
 703                         if (opt->got_set_alt)
 704                                 duplicate_option(argv[n]);
 705                         opt->alt_index = num_id(argv[n + 1], "cfg_index");
 706                         opt->got_set_alt = 1;
 707                         opt->got_any++;
 708                         n++;
 709                         break;
 710                 case T_SET_TEMPLATE:
 711                         if (opt->got_set_template)
 712                                 duplicate_option(argv[n]);
 713                         opt->template = get_int(argv[n + 1]);
 714                         opt->got_set_template = 1;
 715                         opt->got_any++;
 716                         n++;
 717                         break;
 718                 case T_GET_TEMPLATE:
 719                         if (opt->got_get_template)
 720                                 duplicate_option(argv[n]);
 721                         opt->got_get_template = 1;
 722                         opt->got_any++;
 723                         break;
 724                 case T_DUMP_ALL_DESC:
 725                         if (opt->got_dump_all_desc)
 726                                 duplicate_option(argv[n]);
 727                         opt->got_dump_all_desc = 1;
 728                         opt->got_any++;
 729                         break;
 730                 case T_DUMP_DEVICE_DESC:
 731                         if (opt->got_dump_device_desc)
 732                                 duplicate_option(argv[n]);
 733                         opt->got_dump_device_desc = 1;
 734                         opt->got_any++;
 735                         break;
 736                 case T_DUMP_CURR_CONFIG_DESC:
 737                         if (opt->got_dump_curr_config)
 738                                 duplicate_option(argv[n]);
 739                         opt->got_dump_curr_config = 1;
 740                         opt->got_any++;
 741                         break;
 742                 case T_DUMP_ALL_CONFIG_DESC:
 743                         if (opt->got_dump_all_config)
 744                                 duplicate_option(argv[n]);
 745                         opt->got_dump_all_config = 1;
 746                         opt->got_any++;
 747                         break;
 748                 case T_DUMP_INFO:
 749                         if (opt->got_dump_info)
 750                                 duplicate_option(argv[n]);
 751                         opt->got_dump_info = 1;
 752                         opt->got_any++;
 753                         break;
 754                 case T_DUMP_STRING:
 755                         if (opt->got_dump_string)
 756                                 duplicate_option(argv[n]);
 757                         opt->string_index = num_id(argv[n + 1], "str_index");
 758                         opt->got_dump_string = 1;
 759                         opt->got_any++;
 760                         n++;
 761                         break;
 762                 case T_SUSPEND:
 763                         if (opt->got_suspend)
 764                                 duplicate_option(argv[n]);
 765                         opt->got_suspend = 1;
 766                         opt->got_any++;
 767                         break;
 768                 case T_RESUME:
 769                         if (opt->got_resume)
 770                                 duplicate_option(argv[n]);
 771                         opt->got_resume = 1;
 772                         opt->got_any++;
 773                         break;
 774                 case T_POWER_OFF:
 775                         if (opt->got_power_off)
 776                                 duplicate_option(argv[n]);
 777                         opt->got_power_off = 1;
 778                         opt->got_any++;
 779                         break;
 780                 case T_POWER_SAVE:
 781                         if (opt->got_power_save)
 782                                 duplicate_option(argv[n]);
 783                         opt->got_power_save = 1;
 784                         opt->got_any++;
 785                         break;
 786                 case T_POWER_ON:
 787                         if (opt->got_power_on)
 788                                 duplicate_option(argv[n]);
 789                         opt->got_power_on = 1;
 790                         opt->got_any++;
 791                         break;
 792                 case T_RESET:
 793                         if (opt->got_reset)
 794                                 duplicate_option(argv[n]);
 795                         opt->got_reset = 1;
 796                         opt->got_any++;
 797                         break;
 798                 case T_LIST:
 799                         if (opt->got_list)
 800                                 duplicate_option(argv[n]);
 801                         opt->got_list = 1;
 802                         opt->got_any++;
 803                         break;
 804                 case T_DO_REQUEST:
 805                         if (opt->got_do_request)
 806                                 duplicate_option(argv[n]);
 807                         LIBUSB20_INIT(LIBUSB20_CONTROL_SETUP, &opt->setup);
 808                         opt->setup.bmRequestType = num_id(argv[n + 1], "bmReqTyp");
 809                         opt->setup.bRequest = num_id(argv[n + 2], "bReq");
 810                         opt->setup.wValue = num_id(argv[n + 3], "wVal");
 811                         opt->setup.wIndex = num_id(argv[n + 4], "wIndex");
 812                         opt->setup.wLength = num_id(argv[n + 5], "wLen");
 813                         if (opt->setup.wLength != 0) {
 814                                 opt->buffer = malloc(opt->setup.wLength);
 815                         } else {
 816                                 opt->buffer = NULL;
 817                         }
 818
 819                         n += 5;
 820
 821                         if (!(opt->setup.bmRequestType &
 822                             LIBUSB20_ENDPOINT_IN)) {
 823                                 /* copy in data */
 824                                 t = (argc - n - 1);
 825                                 if (t < opt->setup.wLength) {
 826                                         err(1, "request data missing");
 827                                 }
 828                                 t = opt->setup.wLength;
 829                                 while (t--) {
 830                                         ((uint8_t *)opt->buffer)[t] =
 831                                             num_id(argv[n + t + 1], "req_data");
 832                                 }
 833                                 n += opt->setup.wLength;
 834                         }
 835                         opt->got_do_request = 1;
 836                         opt->got_any++;
 837                         break;
 838                 default:
 839                         if (n == 1) {
 840                                 ptr = argv[n];
 841
 842                                 if ((ptr[0] == 'u') &&
 843                                     (ptr[1] == 'g') &&
 844                                     (ptr[2] == 'e') &&
 845                                     (ptr[3] == 'n'))
 846                                         ptr += 4;
 847
 848                                 if ((sscanf(ptr, "%d.%d",
 849                                     &unit, &addr) != 2) ||
 850                                     (unit < 0) || (unit > 65535) ||
 851                                     (addr < 0) || (addr > 65535)) {
 852                                         usage();
 853                                         break;
 854                                 }
 855
 856                                 opt->bus = unit;
 857                                 opt->addr = addr;
 858                                 opt->got_bus = 1;
 859                                 opt->got_addr = 1;
 860                                 break;
 861                         }
 862                         usage();
 863                         break;
 864                 }
 865         }
 866         if (opt->got_any) {
 867                 /* flush out last command */
 868                 flush_command(pbe, opt);
 869         } else {
 870                 /* list all the devices */
 871                 opt->got_list = 1;
 872                 opt->got_any++;
 873                 flush_command(pbe, opt);
 874         }
 875         /* release data */
 876         libusb20_be_free(pbe);
 877
 878         return (0);
 879 }