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freebsd/usr.sbin/usbconfig/dump.c
Hans Petter Selasky 5bd38bcab8 Decode more fields when dumping USB descriptors.
- Some minor style changes while at it.

Submitted by:	Dmitry Luhtionov <dmitryluhtionov@gmail.com>
MFC after:	1 week
2014-11-12 14:52:44 +00:00

484 lines
11 KiB
C

/* $FreeBSD$ */
/*-
* Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <err.h>
#include <string.h>
#include <pwd.h>
#include <grp.h>
#include <ctype.h>
#include <libusb20.h>
#include <libusb20_desc.h>
#include "dump.h"
#define DUMP0(n,type,field,...) dump_field(pdev, " ", #field, n->field);
#define DUMP1(n,type,field,...) dump_field(pdev, " ", #field, n->field);
#define DUMP2(n,type,field,...) dump_field(pdev, " ", #field, n->field);
#define DUMP3(n,type,field,...) dump_field(pdev, " ", #field, n->field);
const char *
dump_mode(uint8_t value)
{
if (value == LIBUSB20_MODE_HOST)
return ("HOST");
return ("DEVICE");
}
const char *
dump_speed(uint8_t value)
{
; /* style fix */
switch (value) {
case LIBUSB20_SPEED_LOW:
return ("LOW (1.5Mbps)");
case LIBUSB20_SPEED_FULL:
return ("FULL (12Mbps)");
case LIBUSB20_SPEED_HIGH:
return ("HIGH (480Mbps)");
case LIBUSB20_SPEED_VARIABLE:
return ("VARIABLE (52-480Mbps)");
case LIBUSB20_SPEED_SUPER:
return ("SUPER (5.0Gbps)");
default:
break;
}
return ("UNKNOWN ()");
}
const char *
dump_power_mode(uint8_t value)
{
; /* style fix */
switch (value) {
case LIBUSB20_POWER_OFF:
return ("OFF");
case LIBUSB20_POWER_ON:
return ("ON");
case LIBUSB20_POWER_SAVE:
return ("SAVE");
case LIBUSB20_POWER_SUSPEND:
return ("SUSPEND");
case LIBUSB20_POWER_RESUME:
return ("RESUME");
default:
return ("UNKNOWN");
}
}
static void
dump_field(struct libusb20_device *pdev, const char *plevel,
const char *field, uint32_t value)
{
uint8_t temp_string[256];
printf("%s%s = 0x%04x ", plevel, field, value);
if (strlen(plevel) == 8) {
/* Endpoint Descriptor */
if (strcmp(field, "bEndpointAddress") == 0) {
if (value & 0x80)
printf(" <IN>\n");
else
printf(" <OUT>\n");
return;
}
if (strcmp(field, "bmAttributes") == 0) {
switch (value & 0x03) {
case 0:
printf(" <CONTROL>\n");
break;
case 1:
switch (value & 0x0C) {
case 0x00:
printf(" <ISOCHRONOUS>\n");
break;
case 0x04:
printf(" <ASYNC-ISOCHRONOUS>\n");
break;
case 0x08:
printf(" <ADAPT-ISOCHRONOUS>\n");
break;
default:
printf(" <SYNC-ISOCHRONOUS>\n");
break;
}
break;
case 2:
printf(" <BULK>\n");
break;
default:
printf(" <INTERRUPT>\n");
break;
}
return;
}
}
if ((field[0] == 'i') && (field[1] != 'd')) {
/* Indirect String Descriptor */
if (value == 0) {
printf(" <no string>\n");
return;
}
if (libusb20_dev_req_string_simple_sync(pdev, value,
temp_string, sizeof(temp_string))) {
printf(" <retrieving string failed>\n");
return;
}
printf(" <%s>\n", temp_string);
return;
}
if (strlen(plevel) == 2 || strlen(plevel) == 6) {
/* Device and Interface Descriptor class codes */
if (strcmp(field, "bInterfaceClass") == 0 ||
strcmp(field, "bDeviceClass") == 0) {
switch (value) {
case 0x00:
printf(" <Probed by interface class>\n");
break;
case 0x01:
printf(" <Audio device>\n");
break;
case 0x02:
printf(" <Communication device>\n");
break;
case 0x03:
printf(" <HID device>\n");
break;
case 0x05:
printf(" <Physical device>\n");
break;
case 0x06:
printf(" <Still imaging>\n");
break;
case 0x07:
printf(" <Printer device>\n");
break;
case 0x08:
printf(" <Mass storage>\n");
break;
case 0x09:
printf(" <HUB>\n");
break;
case 0x0A:
printf(" <CDC-data>\n");
break;
case 0x0B:
printf(" <Smart card>\n");
break;
case 0x0D:
printf(" <Content security>\n");
break;
case 0x0E:
printf(" <Video device>\n");
break;
case 0x0F:
printf(" <Personal healthcare>\n");
break;
case 0x10:
printf(" <Audio and video device>\n");
break;
case 0x11:
printf(" <Billboard device>\n");
break;
case 0xDC:
printf(" <Diagnostic device>\n");
break;
case 0xE0:
printf(" <Wireless controller>\n");
break;
case 0xEF:
printf(" <Miscellaneous device>\n");
break;
case 0xFE:
printf(" <Application specific>\n");
break;
case 0xFF:
printf(" <Vendor specific>\n");
break;
default:
printf(" <Unknown>\n");
break;
}
return;
}
}
/* No additional information */
printf("\n");
}
static void
dump_extra(struct libusb20_me_struct *str, const char *plevel)
{
const uint8_t *ptr;
uint8_t x;
ptr = NULL;
while ((ptr = libusb20_desc_foreach(str, ptr))) {
printf("\n" "%sAdditional Descriptor\n\n", plevel);
printf("%sbLength = 0x%02x\n", plevel, ptr[0]);
printf("%sbDescriptorType = 0x%02x\n", plevel, ptr[1]);
if (ptr[0] > 1)
printf("%sbDescriptorSubType = 0x%02x\n",
plevel, ptr[2]);
printf("%s RAW dump: ", plevel);
for (x = 0; x != ptr[0]; x++) {
if ((x % 8) == 0) {
printf("\n%s 0x%02x | ", plevel, x);
}
printf("0x%02x%s", ptr[x],
(x != (ptr[0] - 1)) ? ", " : (x % 8) ? "\n" : "");
}
printf("\n");
}
return;
}
static void
dump_endpoint(struct libusb20_device *pdev,
struct libusb20_endpoint *ep)
{
struct LIBUSB20_ENDPOINT_DESC_DECODED *edesc;
edesc = &ep->desc;
LIBUSB20_ENDPOINT_DESC(DUMP3, edesc);
dump_extra(&ep->extra, " " " " " ");
return;
}
static void
dump_iface(struct libusb20_device *pdev,
struct libusb20_interface *iface)
{
struct LIBUSB20_INTERFACE_DESC_DECODED *idesc;
uint8_t z;
idesc = &iface->desc;
LIBUSB20_INTERFACE_DESC(DUMP2, idesc);
dump_extra(&iface->extra, " " " " " ");
for (z = 0; z != iface->num_endpoints; z++) {
printf("\n Endpoint %u\n", z);
dump_endpoint(pdev, iface->endpoints + z);
}
return;
}
void
dump_device_info(struct libusb20_device *pdev, uint8_t show_ifdrv)
{
char buf[128];
uint8_t n;
unsigned int usage;
usage = libusb20_dev_get_power_usage(pdev);
printf("%s, cfg=%u md=%s spd=%s pwr=%s (%umA)\n",
libusb20_dev_get_desc(pdev),
libusb20_dev_get_config_index(pdev),
dump_mode(libusb20_dev_get_mode(pdev)),
dump_speed(libusb20_dev_get_speed(pdev)),
dump_power_mode(libusb20_dev_get_power_mode(pdev)),
usage);
if (!show_ifdrv)
return;
for (n = 0; n != 255; n++) {
if (libusb20_dev_get_iface_desc(pdev, n, buf, sizeof(buf)))
break;
if (buf[0] == 0)
continue;
printf("ugen%u.%u.%u: %s\n",
libusb20_dev_get_bus_number(pdev),
libusb20_dev_get_address(pdev), n, buf);
}
}
void
dump_be_quirk_names(struct libusb20_backend *pbe)
{
struct libusb20_quirk q;
uint16_t x;
int error;
memset(&q, 0, sizeof(q));
printf("\nDumping list of supported quirks:\n\n");
for (x = 0; x != 0xFFFF; x++) {
error = libusb20_be_get_quirk_name(pbe, x, &q);
if (error) {
if (x == 0) {
printf("No quirk names - maybe the USB quirk "
"module has not been loaded.\n");
}
break;
}
if (strcmp(q.quirkname, "UQ_NONE"))
printf("%s\n", q.quirkname);
}
printf("\n");
return;
}
void
dump_be_dev_quirks(struct libusb20_backend *pbe)
{
struct libusb20_quirk q;
uint16_t x;
int error;
memset(&q, 0, sizeof(q));
printf("\nDumping current device quirks:\n\n");
for (x = 0; x != 0xFFFF; x++) {
error = libusb20_be_get_dev_quirk(pbe, x, &q);
if (error) {
if (x == 0) {
printf("No device quirks - maybe the USB quirk "
"module has not been loaded.\n");
}
break;
}
if (strcmp(q.quirkname, "UQ_NONE")) {
printf("VID=0x%04x PID=0x%04x REVLO=0x%04x "
"REVHI=0x%04x QUIRK=%s\n",
q.vid, q.pid, q.bcdDeviceLow,
q.bcdDeviceHigh, q.quirkname);
}
}
printf("\n");
return;
}
void
dump_device_desc(struct libusb20_device *pdev)
{
struct LIBUSB20_DEVICE_DESC_DECODED *ddesc;
ddesc = libusb20_dev_get_device_desc(pdev);
LIBUSB20_DEVICE_DESC(DUMP0, ddesc);
return;
}
void
dump_config(struct libusb20_device *pdev, uint8_t all_cfg)
{
struct LIBUSB20_CONFIG_DESC_DECODED *cdesc;
struct LIBUSB20_DEVICE_DESC_DECODED *ddesc;
struct libusb20_config *pcfg = NULL;
uint8_t cfg_index;
uint8_t cfg_index_end;
uint8_t x;
uint8_t y;
ddesc = libusb20_dev_get_device_desc(pdev);
if (all_cfg) {
cfg_index = 0;
cfg_index_end = ddesc->bNumConfigurations;
} else {
cfg_index = libusb20_dev_get_config_index(pdev);
cfg_index_end = cfg_index + 1;
}
for (; cfg_index != cfg_index_end; cfg_index++) {
pcfg = libusb20_dev_alloc_config(pdev, cfg_index);
if (!pcfg) {
continue;
}
printf("\n Configuration index %u\n\n", cfg_index);
cdesc = &(pcfg->desc);
LIBUSB20_CONFIG_DESC(DUMP1, cdesc);
dump_extra(&(pcfg->extra), " " " ");
for (x = 0; x != pcfg->num_interface; x++) {
printf("\n Interface %u\n", x);
dump_iface(pdev, pcfg->interface + x);
printf("\n");
for (y = 0; y != (pcfg->interface + x)->num_altsetting; y++) {
printf("\n Interface %u Alt %u\n", x, y + 1);
dump_iface(pdev,
(pcfg->interface + x)->altsetting + y);
printf("\n");
}
}
printf("\n");
free(pcfg);
}
return;
}
void
dump_string_by_index(struct libusb20_device *pdev, uint8_t str_index)
{
char *pbuf;
uint8_t n;
uint8_t len;
pbuf = malloc(256);
if (pbuf == NULL)
err(1, "out of memory");
if (str_index == 0) {
/* language table */
if (libusb20_dev_req_string_sync(pdev,
str_index, 0, pbuf, 256)) {
printf("STRING_0x%02x = <read error>\n", str_index);
} else {
printf("STRING_0x%02x = ", str_index);
len = (uint8_t)pbuf[0];
for (n = 0; n != len; n++) {
printf("0x%02x%s", (uint8_t)pbuf[n],
(n != (len - 1)) ? ", " : "");
}
printf("\n");
}
} else {
/* ordinary string */
if (libusb20_dev_req_string_simple_sync(pdev,
str_index, pbuf, 256)) {
printf("STRING_0x%02x = <read error>\n", str_index);
} else {
printf("STRING_0x%02x = <%s>\n", str_index, pbuf);
}
}
free(pbuf);
}