usr.sbin/usbconfig/usbconfig.c

   1 /* $FreeBSD$ */
   2 /*-
   3  * Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  */
  26
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29 #include <stdint.h>
  30 #include <err.h>
  31 #include <string.h>
  32 #include <pwd.h>
  33 #include <grp.h>
  34 #include <errno.h>
  35 #include <ctype.h>
  36
  37 #include <libusb20_desc.h>
  38 #include <libusb20.h>
  39
  40 #include "dump.h"
  41
  42 struct options {
  43         const char *quirkname;
  44         void   *buffer;
  45         gid_t   gid;
  46         uid_t   uid;
  47         mode_t  mode;
  48         uint32_t got_any;
  49         struct LIBUSB20_CONTROL_SETUP_DECODED setup;
  50         uint16_t bus;
  51         uint16_t addr;
  52         uint16_t iface;
  53         uint16_t vid;
  54         uint16_t pid;
  55         uint16_t lo_rev;                /* inclusive */
  56         uint16_t hi_rev;                /* inclusive */
  57         uint8_t string_index;
  58         uint8_t config_index;
  59         uint8_t alt_index;
  60         uint8_t got_list:1;
  61         uint8_t got_bus:1;
  62         uint8_t got_addr:1;
  63         uint8_t got_iface:1;
  64         uint8_t got_set_config:1;
  65         uint8_t got_set_alt:1;
  66         uint8_t got_set_owner:1;
  67         uint8_t got_set_perm:1;
  68         uint8_t got_suspend:1;
  69         uint8_t got_resume:1;
  70         uint8_t got_reset:1;
  71         uint8_t got_power_off:1;
  72         uint8_t got_power_save:1;
  73         uint8_t got_power_on:1;
  74         uint8_t got_dump_device_quirks:1;
  75         uint8_t got_dump_quirk_names:1;
  76         uint8_t got_dump_device_desc:1;
  77         uint8_t got_dump_curr_config:1;
  78         uint8_t got_dump_all_config:1;
  79         uint8_t got_dump_info:1;
  80         uint8_t got_dump_access:1;
  81         uint8_t got_show_iface_driver:1;
  82         uint8_t got_remove_device_quirk:1;
  83         uint8_t got_add_device_quirk:1;
  84         uint8_t got_dump_string:1;
  85         uint8_t got_do_request:1;
  86 };
  87
  88 struct token {
  89         const char *name;
  90         uint8_t value;
  91         uint8_t narg;
  92 };
  93
  94 enum {
  95         T_UNIT,
  96         T_ADDR,
  97         T_IFACE,
  98         T_SET_CONFIG,
  99         T_SET_ALT,
 100         T_SET_OWNER,
 101         T_SET_PERM,
 102         T_ADD_DEVICE_QUIRK,
 103         T_REMOVE_DEVICE_QUIRK,
 104         T_SHOW_IFACE_DRIVER,
 105         T_DUMP_QUIRK_NAMES,
 106         T_DUMP_DEVICE_QUIRKS,
 107         T_DUMP_DEVICE_DESC,
 108         T_DUMP_CURR_CONFIG_DESC,
 109         T_DUMP_ALL_CONFIG_DESC,
 110         T_DUMP_STRING,
 111         T_DUMP_ACCESS,
 112         T_DUMP_INFO,
 113         T_SUSPEND,
 114         T_RESUME,
 115         T_POWER_OFF,
 116         T_POWER_SAVE,
 117         T_POWER_ON,
 118         T_RESET,
 119         T_LIST,
 120         T_DO_REQUEST,
 121 };
 122
 123 static struct options options;
 124
 125 static const struct token token[] = {
 126         {"-u", T_UNIT, 1},
 127         {"-a", T_ADDR, 1},
 128         {"-i", T_IFACE, 1},
 129         {"set_config", T_SET_CONFIG, 1},
 130         {"set_alt", T_SET_ALT, 1},
 131         {"set_owner", T_SET_OWNER, 1},
 132         {"set_perm", T_SET_PERM, 1},
 133         {"add_dev_quirk_vplh", T_ADD_DEVICE_QUIRK, 5},
 134         {"remove_dev_quirk_vplh", T_REMOVE_DEVICE_QUIRK, 5},
 135         {"dump_quirk_names", T_DUMP_QUIRK_NAMES, 0},
 136         {"dump_device_quirks", T_DUMP_DEVICE_QUIRKS, 0},
 137         {"dump_device_desc", T_DUMP_DEVICE_DESC, 0},
 138         {"dump_curr_config_desc", T_DUMP_CURR_CONFIG_DESC, 0},
 139         {"dump_all_config_desc", T_DUMP_ALL_CONFIG_DESC, 0},
 140         {"dump_string", T_DUMP_STRING, 1},
 141         {"dump_access", T_DUMP_ACCESS, 0},
 142         {"dump_info", T_DUMP_INFO, 0},
 143         {"show_ifdrv", T_SHOW_IFACE_DRIVER, 0},
 144         {"suspend", T_SUSPEND, 0},
 145         {"resume", T_RESUME, 0},
 146         {"power_off", T_POWER_OFF, 0},
 147         {"power_save", T_POWER_SAVE, 0},
 148         {"power_on", T_POWER_ON, 0},
 149         {"reset", T_RESET, 0},
 150         {"list", T_LIST, 0},
 151         {"do_request", T_DO_REQUEST, 5},
 152 };
 153
 154 static void
 155 be_dev_remove_quirk(struct libusb20_backend *pbe,
 156     uint16_t vid, uint16_t pid, uint16_t lorev, uint16_t hirev,
 157     const char *str)
 158 {
 159         struct libusb20_quirk q;
 160         int error;
 161
 162         memset(&q, 0, sizeof(q));
 163
 164         q.vid = vid;
 165         q.pid = pid;
 166         q.bcdDeviceLow = lorev;
 167         q.bcdDeviceHigh = hirev;
 168         strlcpy(q.quirkname, str, sizeof(q.quirkname));
 169
 170         error = libusb20_be_remove_dev_quirk(pbe, &q);
 171         if (error) {
 172                 printf("Removing quirk '%s' failed, continuing.\n", str);
 173         }
 174         return;
 175 }
 176
 177 static void
 178 be_dev_add_quirk(struct libusb20_backend *pbe,
 179     uint16_t vid, uint16_t pid, uint16_t lorev, uint16_t hirev,
 180     const char *str)
 181 {
 182         struct libusb20_quirk q;
 183         int error;
 184
 185         memset(&q, 0, sizeof(q));
 186
 187         q.vid = vid;
 188         q.pid = pid;
 189         q.bcdDeviceLow = lorev;
 190         q.bcdDeviceHigh = hirev;
 191         strlcpy(q.quirkname, str, sizeof(q.quirkname));
 192
 193         error = libusb20_be_add_dev_quirk(pbe, &q);
 194         if (error) {
 195                 printf("Adding quirk '%s' failed, continuing.\n", str);
 196         }
 197         return;
 198 }
 199
 200 static uint8_t
 201 get_token(const char *str, uint8_t narg)
 202 {
 203         uint8_t n;
 204
 205         for (n = 0; n != (sizeof(token) / sizeof(token[0])); n++) {
 206                 if (strcasecmp(str, token[n].name) == 0) {
 207                         if (token[n].narg > narg) {
 208                                 /* too few arguments */
 209                                 break;
 210                         }
 211                         return (token[n].value);
 212                 }
 213         }
 214         return (0 - 1);
 215 }
 216
 217 static uid_t
 218 num_id(const char *name, const char *type)
 219 {
 220         uid_t val;
 221         char *ep;
 222
 223         errno = 0;
 224         val = strtoul(name, &ep, 0);
 225         if (errno) {
 226                 err(1, "%s", name);
 227         }
 228         if (*ep != '\0') {
 229                 errx(1, "%s: illegal %s name", name, type);
 230         }
 231         return (val);
 232 }
 233
 234 static gid_t
 235 a_gid(const char *s)
 236 {
 237         struct group *gr;
 238
 239         if (*s == '\0') {
 240                 /* empty group ID */
 241                 return ((gid_t)-1);
 242         }
 243         return ((gr = getgrnam(s)) ? gr->gr_gid : num_id(s, "group"));
 244 }
 245
 246 static uid_t
 247 a_uid(const char *s)
 248 {
 249         struct passwd *pw;
 250
 251         if (*s == '\0') {
 252                 /* empty user ID */
 253                 return ((uid_t)-1);
 254         }
 255         return ((pw = getpwnam(s)) ? pw->pw_uid : num_id(s, "user"));
 256 }
 257
 258 static mode_t
 259 a_mode(const char *s)
 260 {
 261         uint16_t val;
 262         char *ep;
 263
 264         errno = 0;
 265         val = strtoul(s, &ep, 8);
 266         if (errno) {
 267                 err(1, "%s", s);
 268         }
 269         if (*ep != '\0') {
 270                 errx(1, "illegal permissions: %s", s);
 271         }
 272         return val;
 273 }
 274
 275 static void
 276 usage(void)
 277 {
 278         printf(""
 279             "usbconfig - configure the USB subsystem" "\n"
 280             "usage: usbconfig -u <busnum> -a <devaddr> -i <ifaceindex> [cmds...]" "\n"
 281             "commands:" "\n"
 282             "  set_config <cfg_index>" "\n"
 283             "  set_alt <alt_index>" "\n"
 284             "  set_owner <user:group>" "\n"
 285             "  set_perm <mode>" "\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             "  dump_quirk_names" "\n"
 289             "  dump_device_quirks" "\n"
 290             "  dump_device_desc" "\n"
 291             "  dump_curr_config_desc" "\n"
 292             "  dump_all_config_desc" "\n"
 293             "  dump_string <index>" "\n"
 294             "  dump_access" "\n"
 295             "  dump_info" "\n"
 296             "  show_ifdrv" "\n"
 297             "  suspend" "\n"
 298             "  resume" "\n"
 299             "  power_off" "\n"
 300             "  power_save" "\n"
 301             "  power_on" "\n"
 302             "  reset" "\n"
 303             "  list" "\n"
 304             "  do_request <bmReqTyp> <bReq> <wVal> <wIdx> <wLen> <data...>" "\n"
 305         );
 306         exit(1);
 307 }
 308
 309 static void
 310 reset_options(struct options *opt)
 311 {
 312         if (opt->buffer)
 313                 free(opt->buffer);
 314         memset(opt, 0, sizeof(*opt));
 315         return;
 316 }
 317
 318 static void
 319 flush_command(struct libusb20_backend *pbe, struct options *opt)
 320 {
 321         struct libusb20_device *pdev = NULL;
 322         uint32_t matches = 0;
 323         uint8_t dump_any;
 324
 325         /* check for invalid option combinations */
 326         if ((opt->got_suspend +
 327             opt->got_resume +
 328             opt->got_reset +
 329             opt->got_set_config +
 330             opt->got_set_alt +
 331             opt->got_power_save +
 332             opt->got_power_on +
 333             opt->got_power_off) > 1) {
 334                 err(1, "can only specify one of 'set_config', "
 335                     "'set_alt', 'reset', 'suspend', 'resume', "
 336                     "'power_save', 'power_on' and 'power_off' "
 337                     "at the same time!");
 338         }
 339         if (opt->got_dump_access) {
 340                 opt->got_any--;
 341                 dump_be_access(pbe);
 342         }
 343         if (opt->got_dump_quirk_names) {
 344                 opt->got_any--;
 345                 dump_be_quirk_names(pbe);
 346         }
 347         if (opt->got_dump_device_quirks) {
 348                 opt->got_any--;
 349                 dump_be_dev_quirks(pbe);
 350         }
 351         if (opt->got_remove_device_quirk) {
 352                 opt->got_any--;
 353                 be_dev_remove_quirk(pbe,
 354                     opt->vid, opt->pid, opt->lo_rev, opt->hi_rev, opt->quirkname);
 355         }
 356         if (opt->got_add_device_quirk) {
 357                 opt->got_any--;
 358                 be_dev_add_quirk(pbe,
 359                     opt->vid, opt->pid, opt->lo_rev, opt->hi_rev, opt->quirkname);
 360         }
 361         if (opt->got_any == 0) {
 362                 /*
 363                  * do not scan through all the devices if there are no valid
 364                  * options
 365                  */
 366                 goto done;
 367         }
 368         while ((pdev = libusb20_be_device_foreach(pbe, pdev))) {
 369
 370                 if (opt->got_bus &&
 371                     (libusb20_dev_get_bus_number(pdev) != opt->bus)) {
 372                         continue;
 373                 }
 374                 if (opt->got_addr &&
 375                     (libusb20_dev_get_address(pdev) != opt->addr)) {
 376                         continue;
 377                 }
 378                 matches++;
 379
 380                 /* do owner and permissions first */
 381
 382                 if (opt->got_bus && opt->got_addr && opt->got_iface) {
 383                         if (opt->got_set_owner) {
 384                                 if (libusb20_dev_set_iface_owner(pdev,
 385                                     opt->iface, opt->uid, opt->gid)) {
 386                                         err(1, "setting owner and group failed\n");
 387                                 }
 388                         }
 389                         if (opt->got_set_perm) {
 390                                 if (libusb20_dev_set_iface_perm(pdev,
 391                                     opt->iface, opt->mode)) {
 392                                         err(1, "setting mode failed\n");
 393                                 }
 394                         }
 395                 } else if (opt->got_bus && opt->got_addr) {
 396                         if (opt->got_set_owner) {
 397                                 if (libusb20_dev_set_owner(pdev,
 398                                     opt->uid, opt->gid)) {
 399                                         err(1, "setting owner and group failed\n");
 400                                 }
 401                         }
 402                         if (opt->got_set_perm) {
 403                                 if (libusb20_dev_set_perm(pdev,
 404                                     opt->mode)) {
 405                                         err(1, "setting mode failed\n");
 406                                 }
 407                         }
 408                 } else if (opt->got_bus) {
 409                         if (opt->got_set_owner) {
 410                                 if (libusb20_bus_set_owner(pbe, opt->bus,
 411                                     opt->uid, opt->gid)) {
 412                                         err(1, "setting owner and group failed\n");
 413                                 }
 414                         }
 415                         if (opt->got_set_perm) {
 416                                 if (libusb20_bus_set_perm(pbe, opt->bus,
 417                                     opt->mode)) {
 418                                         err(1, "setting mode failed\n");
 419                                 }
 420                         }
 421                 } else {
 422                         if (opt->got_set_owner) {
 423                                 if (libusb20_be_set_owner(pbe,
 424                                     opt->uid, opt->gid)) {
 425                                         err(1, "setting owner and group failed\n");
 426                                 }
 427                         }
 428                         if (opt->got_set_perm) {
 429                                 if (libusb20_be_set_perm(pbe,
 430                                     opt->mode)) {
 431                                         err(1, "setting mode failed\n");
 432                                 }
 433                         }
 434                 }
 435
 436                 if (libusb20_dev_open(pdev, 0)) {
 437                         err(1, "could not open device");
 438                 }
 439                 if (opt->got_dump_string) {
 440                         char *pbuf;
 441
 442                         pbuf = malloc(256);
 443                         if (pbuf == NULL) {
 444                                 err(1, "out of memory");
 445                         }
 446                         if (libusb20_dev_req_string_simple_sync(pdev,
 447                             opt->string_index, pbuf, 256)) {
 448                                 printf("STRING_0x%02x = <read error>\n",
 449                                     opt->string_index);
 450                         } else {
 451                                 printf("STRING_0x%02x = <%s>\n",
 452                                     opt->string_index, pbuf);
 453                         }
 454                         free(pbuf);
 455                 }
 456                 if (opt->got_do_request) {
 457                         uint16_t actlen;
 458                         uint16_t t;
 459
 460                         if (libusb20_dev_request_sync(pdev, &opt->setup,
 461                             opt->buffer, &actlen, 5000 /* 5 seconds */ , 0)) {
 462                                 printf("REQUEST = <ERROR>\n");
 463                         } else if (!(opt->setup.bmRequestType &
 464                             LIBUSB20_ENDPOINT_IN)) {
 465                                 printf("REQUEST = <OK>\n");
 466                         } else {
 467                                 t = actlen;
 468                                 printf("REQUEST = <");
 469                                 for (t = 0; t != actlen; t++) {
 470                                         printf("0x%02x%s",
 471                                             ((uint8_t *)opt->buffer)[t],
 472                                             (t == (actlen - 1)) ? "" : " ");
 473                                 }
 474                                 printf("><");
 475                                 for (t = 0; t != actlen; t++) {
 476                                         char c;
 477
 478                                         c = ((uint8_t *)opt->buffer)[t];
 479                                         if ((c != '<') &&
 480                                             (c != '>') && isprint(c)) {
 481                                                 putchar(c);
 482                                         }
 483                                 }
 484                                 printf(">\n");
 485                         }
 486                 }
 487                 if (opt->got_set_config) {
 488                         if (libusb20_dev_set_config_index(pdev,
 489                             opt->config_index)) {
 490                                 err(1, "could not set config index");
 491                         }
 492                 }
 493                 if (opt->got_set_alt) {
 494                         if (libusb20_dev_set_alt_index(pdev, opt->iface,
 495                             opt->alt_index)) {
 496                                 err(1, "could not set alternate setting");
 497                         }
 498                 }
 499                 if (opt->got_reset) {
 500                         if (libusb20_dev_reset(pdev)) {
 501                                 err(1, "could not reset device");
 502                         }
 503                 }
 504                 if (opt->got_suspend) {
 505                         if (libusb20_dev_set_power_mode(pdev,
 506                             LIBUSB20_POWER_SUSPEND)) {
 507                                 err(1, "could not set suspend");
 508                         }
 509                 }
 510                 if (opt->got_resume) {
 511                         if (libusb20_dev_set_power_mode(pdev,
 512                             LIBUSB20_POWER_RESUME)) {
 513                                 err(1, "could not set resume");
 514                         }
 515                 }
 516                 if (opt->got_power_off) {
 517                         if (libusb20_dev_set_power_mode(pdev,
 518                             LIBUSB20_POWER_OFF)) {
 519                                 err(1, "could not set power OFF");
 520                         }
 521                 }
 522                 if (opt->got_power_save) {
 523                         if (libusb20_dev_set_power_mode(pdev,
 524                             LIBUSB20_POWER_SAVE)) {
 525                                 err(1, "could not set power SAVE");
 526                         }
 527                 }
 528                 if (opt->got_power_on) {
 529                         if (libusb20_dev_set_power_mode(pdev,
 530                             LIBUSB20_POWER_ON)) {
 531                                 err(1, "could not set power ON");
 532                         }
 533                 }
 534                 dump_any =
 535                     (opt->got_dump_device_desc ||
 536                     opt->got_dump_curr_config ||
 537                     opt->got_dump_all_config ||
 538                     opt->got_dump_info ||
 539                     opt->got_dump_access);
 540
 541                 if (opt->got_list || dump_any) {
 542                         dump_device_info(pdev,
 543                             opt->got_show_iface_driver);
 544                 }
 545                 if (opt->got_dump_access) {
 546                         printf("\n");
 547                         dump_device_access(pdev, opt->got_iface ?
 548                             opt->iface : 0xFF);
 549                 }
 550                 if (opt->got_dump_device_desc) {
 551                         printf("\n");
 552                         dump_device_desc(pdev);
 553                 }
 554                 if (opt->got_dump_all_config) {
 555                         printf("\n");
 556                         dump_config(pdev, 1);
 557                 } else if (opt->got_dump_curr_config) {
 558                         printf("\n");
 559                         dump_config(pdev, 0);
 560                 }
 561                 if (dump_any) {
 562                         printf("\n");
 563                 }
 564                 if (libusb20_dev_close(pdev)) {
 565                         err(1, "could not close device");
 566                 }
 567         }
 568
 569         if (matches == 0) {
 570                 printf("No device match or lack of permissions.\n");
 571         }
 572 done:
 573         reset_options(opt);
 574
 575         return;
 576 }
 577
 578 int
 579 main(int argc, char **argv)
 580 {
 581         struct libusb20_backend *pbe;
 582         struct options *opt = &options;
 583         char *cp;
 584         int n;
 585         int t;
 586
 587         if (argc < 1) {
 588                 usage();
 589         }
 590         pbe = libusb20_be_alloc_default();
 591         if (pbe == NULL)
 592                 err(1, "could not access USB backend\n");
 593
 594         for (n = 1; n != argc; n++) {
 595
 596                 /* get number of additional options */
 597                 t = (argc - n - 1);
 598                 if (t > 255)
 599                         t = 255;
 600                 switch (get_token(argv[n], t)) {
 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_DUMP_QUIRK_NAMES:
 631                         opt->got_dump_quirk_names = 1;
 632                         opt->got_any++;
 633                         break;
 634
 635                 case T_DUMP_DEVICE_QUIRKS:
 636                         opt->got_dump_device_quirks = 1;
 637                         opt->got_any++;
 638                         break;
 639
 640                 case T_SHOW_IFACE_DRIVER:
 641                         opt->got_show_iface_driver = 1;
 642                         break;
 643
 644                 case T_UNIT:
 645                         if (opt->got_any) {
 646                                 /* allow multiple commands on the same line */
 647                                 flush_command(pbe, opt);
 648                         }
 649                         opt->bus = num_id(argv[n + 1], "busnum");
 650                         opt->got_bus = 1;
 651                         n++;
 652                         break;
 653                 case T_ADDR:
 654                         opt->addr = num_id(argv[n + 1], "addr");
 655                         opt->got_addr = 1;
 656                         n++;
 657                         break;
 658                 case T_IFACE:
 659                         opt->iface = num_id(argv[n + 1], "iface");
 660                         opt->got_iface = 1;
 661                         n++;
 662                         break;
 663                 case T_SET_CONFIG:
 664                         opt->config_index = num_id(argv[n + 1], "cfg_index");
 665                         opt->got_set_config = 1;
 666                         opt->got_any++;
 667                         n++;
 668                         break;
 669                 case T_SET_ALT:
 670                         opt->alt_index = num_id(argv[n + 1], "cfg_index");
 671                         opt->got_set_alt = 1;
 672                         opt->got_any++;
 673                         n++;
 674                         break;
 675                 case T_SET_OWNER:
 676                         cp = argv[n + 1];
 677                         cp = strchr(cp, ':');
 678                         if (cp == NULL) {
 679                                 err(1, "missing colon in '%s'!", argv[n + 1]);
 680                         }
 681                         *(cp++) = '\0';
 682                         opt->gid = a_gid(cp);
 683                         opt->uid = a_uid(argv[n + 1]);
 684                         opt->got_set_owner = 1;
 685                         opt->got_any++;
 686                         n++;
 687                         break;
 688                 case T_SET_PERM:
 689                         opt->mode = a_mode(argv[n + 1]);
 690                         opt->got_set_perm = 1;
 691                         opt->got_any++;
 692                         n++;
 693                         break;
 694                 case T_DUMP_DEVICE_DESC:
 695                         opt->got_dump_device_desc = 1;
 696                         opt->got_any++;
 697                         break;
 698                 case T_DUMP_CURR_CONFIG_DESC:
 699                         opt->got_dump_curr_config = 1;
 700                         opt->got_any++;
 701                         break;
 702                 case T_DUMP_ALL_CONFIG_DESC:
 703                         opt->got_dump_all_config = 1;
 704                         opt->got_any++;
 705                         break;
 706                 case T_DUMP_INFO:
 707                         opt->got_dump_info = 1;
 708                         opt->got_any++;
 709                         break;
 710                 case T_DUMP_STRING:
 711                         if (opt->got_dump_string) {
 712                                 flush_command(pbe, opt);
 713                         }
 714                         opt->string_index = num_id(argv[n + 1], "str_index");
 715                         opt->got_dump_string = 1;
 716                         opt->got_any++;
 717                         n++;
 718                         break;
 719                 case T_DUMP_ACCESS:
 720                         opt->got_dump_access = 1;
 721                         opt->got_any += 2;
 722                         break;
 723                 case T_SUSPEND:
 724                         opt->got_suspend = 1;
 725                         opt->got_any++;
 726                         break;
 727                 case T_RESUME:
 728                         opt->got_resume = 1;
 729                         opt->got_any++;
 730                         break;
 731                 case T_POWER_OFF:
 732                         opt->got_power_off = 1;
 733                         opt->got_any++;
 734                         break;
 735                 case T_POWER_SAVE:
 736                         opt->got_power_save = 1;
 737                         opt->got_any++;
 738                         break;
 739                 case T_POWER_ON:
 740                         opt->got_power_on = 1;
 741                         opt->got_any++;
 742                         break;
 743                 case T_RESET:
 744                         opt->got_reset = 1;
 745                         opt->got_any++;
 746                         break;
 747                 case T_LIST:
 748                         opt->got_list = 1;
 749                         opt->got_any++;
 750                         break;
 751                 case T_DO_REQUEST:
 752                         if (opt->got_do_request) {
 753                                 flush_command(pbe, opt);
 754                         }
 755                         LIBUSB20_INIT(LIBUSB20_CONTROL_SETUP, &opt->setup);
 756                         opt->setup.bmRequestType = num_id(argv[n + 1], "bmReqTyp");
 757                         opt->setup.bRequest = num_id(argv[n + 2], "bReq");
 758                         opt->setup.wValue = num_id(argv[n + 3], "wVal");
 759                         opt->setup.wIndex = num_id(argv[n + 4], "wIndex");
 760                         opt->setup.wLength = num_id(argv[n + 5], "wLen");
 761                         if (opt->setup.wLength != 0) {
 762                                 opt->buffer = malloc(opt->setup.wLength);
 763                         } else {
 764                                 opt->buffer = NULL;
 765                         }
 766
 767                         n += 5;
 768
 769                         if (!(opt->setup.bmRequestType &
 770                             LIBUSB20_ENDPOINT_IN)) {
 771                                 /* copy in data */
 772                                 t = (argc - n - 1);
 773                                 if (t < opt->setup.wLength) {
 774                                         err(1, "request data missing");
 775                                 }
 776                                 t = opt->setup.wLength;
 777                                 while (t--) {
 778                                         ((uint8_t *)opt->buffer)[t] =
 779                                             num_id(argv[n + t + 1], "req_data");
 780                                 }
 781                                 n += opt->setup.wLength;
 782                         }
 783                         opt->got_do_request = 1;
 784                         opt->got_any++;
 785                         break;
 786                 default:
 787                         usage();
 788                         break;
 789                 }
 790         }
 791         if (opt->got_any) {
 792                 /* flush out last command */
 793                 flush_command(pbe, opt);
 794         } else {
 795                 /* list all the devices */
 796                 opt->got_list = 1;
 797                 opt->got_any++;
 798                 flush_command(pbe, opt);
 799         }
 800         /* release data */
 801         libusb20_be_free(pbe);
 802
 803         return (0);
 804 }